/*jquery.linq.js*/
/*--------------------------------------------------------------------------
* linq.js - LINQ for JavaScript
* ver 2.2.0.2 (Jan. 21th, 2011)
*
* created and maintained by neuecc <ils@neue.cc>
* licensed under Microsoft Public License(Ms-PL)
* http://neue.cc/
* http://linqjs.codeplex.com/
*--------------------------------------------------------------------------*/
jQuery.extend({ Enumerable: (function (){
    var Enumerable = function (getEnumerator)
    {
        this.GetEnumerator = getEnumerator;
    }

    // Generator

    Enumerable.Choice = function () // variable argument
    {
        var args = (arguments[0] instanceof Array) ? arguments[0] : arguments;

        return new Enumerable(function ()
        {
            return new IEnumerator(
                Functions.Blank,
                function ()
                {
                    return this.Yield(args[Math.floor(Math.random() * args.length)]);
                },
                Functions.Blank);
        });
    }

    Enumerable.Cycle = function () // variable argument
    {
        var args = (arguments[0] instanceof Array) ? arguments[0] : arguments;

        return new Enumerable(function ()
        {
            var index = 0;
            return new IEnumerator(
                Functions.Blank,
                function ()
                {
                    if (index >= args.length) index = 0;
                    return this.Yield(args[index++]);
                },
                Functions.Blank);
        });
    }

    Enumerable.Empty = function ()
    {
        return new Enumerable(function ()
        {
            return new IEnumerator(
                Functions.Blank,
                function () { return false; },
                Functions.Blank);
        });
    }

    Enumerable.From = function (obj)
    {
        if (obj == null)
        {
            return Enumerable.Empty();
        }
        if (obj instanceof Enumerable)
        {
            return obj;
        }
        if (typeof obj == Types.Number || typeof obj == Types.Boolean)
        {
            return Enumerable.Repeat(obj, 1);
        }
        if (typeof obj == Types.String)
        {
            return new Enumerable(function ()
            {
                var index = 0;
                return new IEnumerator(
                    Functions.Blank,
                    function ()
                    {
                        return (index < obj.length) ? this.Yield(obj.charAt(index++)) : false;
                    },
                    Functions.Blank);
            });
        }
        if (typeof obj != Types.Function)
        {
            // array or array like object
            if (typeof obj.length == Types.Number)
            {
                return new ArrayEnumerable(obj);
            }

            // JScript's IEnumerable
            if (!(obj instanceof Object) && Utils.IsIEnumerable(obj))
            {
                return new Enumerable(function ()
                {
                    var isFirst = true;
                    var enumerator;
                    return new IEnumerator(
                        function () { enumerator = new Enumerator(obj); },
                        function ()
                        {
                            if (isFirst) isFirst = false;
                            else enumerator.moveNext();

                            return (enumerator.atEnd()) ? false : this.Yield(enumerator.item());
                        },
                        Functions.Blank);
                });
            }
        }

        // case function/object : Create KeyValuePair[]
        return new Enumerable(function ()
        {
            var array = [];
            var index = 0;

            return new IEnumerator(
                function ()
                {
                    for (var key in obj)
                    {
                        if (!(obj[key] instanceof Function))
                        {
                            array.push({ Key: key, Value: obj[key] });
                        }
                    }
                },
                function ()
                {
                    return (index < array.length)
                        ? this.Yield(array[index++])
                        : false;
                },
                Functions.Blank);
        });
    },

    Enumerable.Return = function (element)
    {
        return Enumerable.Repeat(element, 1);
    }

    // Overload:function(input, pattern)
    // Overload:function(input, pattern, flags)
    Enumerable.Matches = function (input, pattern, flags)
    {
        if (flags == null) flags = "";
        if (pattern instanceof RegExp)
        {
            flags += (pattern.ignoreCase) ? "i" : "";
            flags += (pattern.multiline) ? "m" : "";
            pattern = pattern.source;
        }
        if (flags.indexOf("g") === -1) flags += "g";

        return new Enumerable(function ()
        {
            var regex;
            return new IEnumerator(
                function () { regex = new RegExp(pattern, flags) },
                function ()
                {
                    var match = regex.exec(input);
                    return (match) ? this.Yield(match) : false;
                },
                Functions.Blank);
        });
    }

    // Overload:function(start, count)
    // Overload:function(start, count, step)
    Enumerable.Range = function (start, count, step)
    {
        if (step == null) step = 1;
        return Enumerable.ToInfinity(start, step).Take(count);
    }

    // Overload:function(start, count)
    // Overload:function(start, count, step)
    Enumerable.RangeDown = function (start, count, step)
    {
        if (step == null) step = 1;
        return Enumerable.ToNegativeInfinity(start, step).Take(count);
    }

    // Overload:function(start, to)
    // Overload:function(start, to, step)
    Enumerable.RangeTo = function (start, to, step)
    {
        if (step == null) step = 1;
        return (start < to)
            ? Enumerable.ToInfinity(start, step).TakeWhile(function (i) { return i <= to; })
            : Enumerable.ToNegativeInfinity(start, step).TakeWhile(function (i) { return i >= to; })
    }

    // Overload:function(obj)
    // Overload:function(obj, num)
    Enumerable.Repeat = function (obj, num)
    {
        if (num != null) return Enumerable.Repeat(obj).Take(num);

        return new Enumerable(function ()
        {
            return new IEnumerator(
                Functions.Blank,
                function () { return this.Yield(obj); },
                Functions.Blank);
        });
    }

    Enumerable.RepeatWithFinalize = function (initializer, finalizer)
    {
        initializer = Utils.CreateLambda(initializer);
        finalizer = Utils.CreateLambda(finalizer);

        return new Enumerable(function ()
        {
            var element;
            return new IEnumerator(
                function () { element = initializer(); },
                function () { return this.Yield(element); },
                function ()
                {
                    if (element != null)
                    {
                        finalizer(element);
                        element = null;
                    }
                });
        });
    }

    // Overload:function(func)
    // Overload:function(func, count)
    Enumerable.Generate = function (func, count)
    {
        if (count != null) return Enumerable.Generate(func).Take(count);
        func = Utils.CreateLambda(func);

        return new Enumerable(function ()
        {
            return new IEnumerator(
                Functions.Blank,
                function () { return this.Yield(func()); },
                Functions.Blank);
        });
    }

    // Overload:function()
    // Overload:function(start)
    // Overload:function(start, step)
    Enumerable.ToInfinity = function (start, step)
    {
        if (start == null) start = 0;
        if (step == null) step = 1;

        return new Enumerable(function ()
        {
            var value;
            return new IEnumerator(
                function () { value = start - step },
                function () { return this.Yield(value += step); },
                Functions.Blank);
        });
    }

    // Overload:function()
    // Overload:function(start)
    // Overload:function(start, step)
    Enumerable.ToNegativeInfinity = function (start, step)
    {
        if (start == null) start = 0;
        if (step == null) step = 1;

        return new Enumerable(function ()
        {
            var value;
            return new IEnumerator(
                function () { value = start + step },
                function () { return this.Yield(value -= step); },
                Functions.Blank);
        });
    }

    Enumerable.Unfold = function (seed, func)
    {
        func = Utils.CreateLambda(func);

        return new Enumerable(function ()
        {
            var isFirst = true;
            var value;
            return new IEnumerator(
                Functions.Blank,
                function ()
                {
                    if (isFirst)
                    {
                        isFirst = false;
                        value = seed;
                        return this.Yield(value);
                    }
                    value = func(value);
                    return this.Yield(value);
                },
                Functions.Blank);
        });
    }

    // Extension Methods

    Enumerable.prototype =
    {
        /* Projection and Filtering Methods */

        // Overload:function(func)
        // Overload:function(func, resultSelector<element>)
        // Overload:function(func, resultSelector<element, nestLevel>)
        CascadeBreadthFirst: function (func, resultSelector)
        {
            var source = this;
            func = Utils.CreateLambda(func);
            resultSelector = Utils.CreateLambda(resultSelector);

            return new Enumerable(function ()
            {
                var enumerator;
                var nestLevel = 0;
                var buffer = [];

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        while (true)
                        {
                            if (enumerator.MoveNext())
                            {
                                buffer.push(enumerator.Current());
                                return this.Yield(resultSelector(enumerator.Current(), nestLevel));
                            }

                            var next = Enumerable.From(buffer).SelectMany(function (x) { return func(x); });
                            if (!next.Any())
                            {
                                return false;
                            }
                            else
                            {
                                nestLevel++;
                                buffer = [];
                                Utils.Dispose(enumerator);
                                enumerator = next.GetEnumerator();
                            }
                        }
                    },
                    function () { Utils.Dispose(enumerator); });
            });
        },

        // Overload:function(func)
        // Overload:function(func, resultSelector<element>)
        // Overload:function(func, resultSelector<element, nestLevel>)
        CascadeDepthFirst: function (func, resultSelector)
        {
            var source = this;
            func = Utils.CreateLambda(func);
            resultSelector = Utils.CreateLambda(resultSelector);

            return new Enumerable(function ()
            {
                var enumeratorStack = [];
                var enumerator;

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        while (true)
                        {
                            if (enumerator.MoveNext())
                            {
                                var value = resultSelector(enumerator.Current(), enumeratorStack.length);
                                enumeratorStack.push(enumerator);
                                enumerator = Enumerable.From(func(enumerator.Current())).GetEnumerator();
                                return this.Yield(value);
                            }

                            if (enumeratorStack.length <= 0) return false;
                            Utils.Dispose(enumerator);
                            enumerator = enumeratorStack.pop();
                        }
                    },
                    function ()
                    {
                        try { Utils.Dispose(enumerator); }
                        finally { Enumerable.From(enumeratorStack).ForEach(function (s) { s.Dispose(); }) }
                    });
            });
        },

        Flatten: function ()
        {
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator;
                var middleEnumerator = null;

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        while (true)
                        {
                            if (middleEnumerator != null)
                            {
                                if (middleEnumerator.MoveNext())
                                {
                                    return this.Yield(middleEnumerator.Current());
                                }
                                else
                                {
                                    middleEnumerator = null;
                                }
                            }

                            if (enumerator.MoveNext())
                            {
                                if (enumerator.Current() instanceof Array)
                                {
                                    Utils.Dispose(middleEnumerator);
                                    middleEnumerator = Enumerable.From(enumerator.Current())
                                        .SelectMany(Functions.Identity)
                                        .Flatten()
                                        .GetEnumerator();
                                    continue;
                                }
                                else
                                {
                                    return this.Yield(enumerator.Current());
                                }
                            }

                            return false;
                        }
                    },
                    function ()
                    {
                        try { Utils.Dispose(enumerator); }
                        finally { Utils.Dispose(middleEnumerator); }
                    });
            });
        },

        Pairwise: function (selector)
        {
            var source = this;
            selector = Utils.CreateLambda(selector);

            return new Enumerable(function ()
            {
                var enumerator;

                return new IEnumerator(
                    function ()
                    {
                        enumerator = source.GetEnumerator();
                        enumerator.MoveNext();
                    },
                    function ()
                    {
                        var prev = enumerator.Current();
                        return (enumerator.MoveNext())
                            ? this.Yield(selector(prev, enumerator.Current()))
                            : false;
                    },
                    function () { Utils.Dispose(enumerator); });
            });
        },

        // Overload:function(func)
        // Overload:function(seed,func<value,element>)
        // Overload:function(seed,func<value,element>,resultSelector)
        Scan: function (seed, func, resultSelector)
        {
            if (resultSelector != null) return this.Scan(seed, func).Select(resultSelector);

            var isUseSeed;
            if (func == null)
            {
                func = Utils.CreateLambda(seed); // arguments[0]
                isUseSeed = false;
            }
            else
            {
                func = Utils.CreateLambda(func);
                isUseSeed = true;
            }
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator;
                var value;
                var isFirst = true;

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        if (isFirst)
                        {
                            isFirst = false;
                            if (!isUseSeed)
                            {
                                if (enumerator.MoveNext())
                                {
                                    return this.Yield(value = enumerator.Current());
                                }
                            }
                            else
                            {
                                return this.Yield(value = seed);
                            }
                        }

                        return (enumerator.MoveNext())
                            ? this.Yield(value = func(value, enumerator.Current()))
                            : false;
                    },
                    function () { Utils.Dispose(enumerator); });
            });
        },

        // Overload:function(selector<element>)
        // Overload:function(selector<element,index>)
        Select: function (selector)
        {
            var source = this;
            selector = Utils.CreateLambda(selector);

            return new Enumerable(function ()
            {
                var enumerator;
                var index = 0;

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        return (enumerator.MoveNext())
                            ? this.Yield(selector(enumerator.Current(), index++))
                            : false;
                    },
                    function () { Utils.Dispose(enumerator); })
            });
        },

        // Overload:function(collectionSelector<element>)
        // Overload:function(collectionSelector<element,index>)
        // Overload:function(collectionSelector<element>,resultSelector)
        // Overload:function(collectionSelector<element,index>,resultSelector)
        SelectMany: function (collectionSelector, resultSelector)
        {
            var source = this;
            collectionSelector = Utils.CreateLambda(collectionSelector);
            if (resultSelector == null) resultSelector = function (a, b) { return b; }
            resultSelector = Utils.CreateLambda(resultSelector);

            return new Enumerable(function ()
            {
                var enumerator;
                var middleEnumerator = undefined;
                var index = 0;

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        if (middleEnumerator === undefined)
                        {
                            if (!enumerator.MoveNext()) return false;
                        }
                        do
                        {
                            if (middleEnumerator == null)
                            {
                                var middleSeq = collectionSelector(enumerator.Current(), index++);
                                middleEnumerator = Enumerable.From(middleSeq).GetEnumerator();
                            }
                            if (middleEnumerator.MoveNext())
                            {
                                return this.Yield(resultSelector(enumerator.Current(), middleEnumerator.Current()));
                            }
                            Utils.Dispose(middleEnumerator);
                            middleEnumerator = null;
                        } while (enumerator.MoveNext())
                        return false;
                    },
                    function ()
                    {
                        try { Utils.Dispose(enumerator); }
                        finally { Utils.Dispose(middleEnumerator); }
                    })
            });
        },

        // Overload:function(predicate<element>)
        // Overload:function(predicate<element,index>)
        Where: function (predicate)
        {
            predicate = Utils.CreateLambda(predicate);
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator;
                var index = 0;

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        while (enumerator.MoveNext())
                        {
                            if (predicate(enumerator.Current(), index++))
                            {
                                return this.Yield(enumerator.Current());
                            }
                        }
                        return false;
                    },
                    function () { Utils.Dispose(enumerator); })
            });
        },

        OfType: function (type)
        {
            var typeName;
            switch (type)
            {
                case Number: typeName = Types.Number; break;
                case String: typeName = Types.String; break;
                case Boolean: typeName = Types.Boolean; break;
                case Function: typeName = Types.Function; break;
                default: typeName = null; break;
            }
            return (typeName === null)
                ? this.Where(function (x) { return x instanceof type })
                : this.Where(function (x) { return typeof x === typeName });
        },

        // Overload:function(second,selector<outer,inner>)
        // Overload:function(second,selector<outer,inner,index>)
        Zip: function (second, selector)
        {
            selector = Utils.CreateLambda(selector);
            var source = this;

            return new Enumerable(function ()
            {
                var firstEnumerator;
                var secondEnumerator;
                var index = 0;

                return new IEnumerator(
                    function ()
                    {
                        firstEnumerator = source.GetEnumerator();
                        secondEnumerator = Enumerable.From(second).GetEnumerator();
                    },
                    function ()
                    {
                        if (firstEnumerator.MoveNext() && secondEnumerator.MoveNext())
                        {
                            return this.Yield(selector(firstEnumerator.Current(), secondEnumerator.Current(), index++));
                        }
                        return false;
                    },
                    function ()
                    {
                        try { Utils.Dispose(firstEnumerator); }
                        finally { Utils.Dispose(secondEnumerator); }
                    })
            });
        },

        /* Join Methods */

        // Overload:function (inner, outerKeySelector, innerKeySelector, resultSelector)
        // Overload:function (inner, outerKeySelector, innerKeySelector, resultSelector, compareSelector)
        Join: function (inner, outerKeySelector, innerKeySelector, resultSelector, compareSelector)
        {
            outerKeySelector = Utils.CreateLambda(outerKeySelector);
            innerKeySelector = Utils.CreateLambda(innerKeySelector);
            resultSelector = Utils.CreateLambda(resultSelector);
            compareSelector = Utils.CreateLambda(compareSelector);
            var source = this;

            return new Enumerable(function ()
            {
                var outerEnumerator;
                var lookup;
                var innerElements = null;
                var innerCount = 0;

                return new IEnumerator(
                    function ()
                    {
                        outerEnumerator = source.GetEnumerator();
                        lookup = Enumerable.From(inner).ToLookup(innerKeySelector, Functions.Identity, compareSelector);
                    },
                    function ()
                    {
                        while (true)
                        {
                            if (innerElements != null)
                            {
                                var innerElement = innerElements[innerCount++];
                                if (innerElement !== undefined)
                                {
                                    return this.Yield(resultSelector(outerEnumerator.Current(), innerElement));
                                }

                                innerElement = null;
                                innerCount = 0;
                            }

                            if (outerEnumerator.MoveNext())
                            {
                                var key = outerKeySelector(outerEnumerator.Current());
                                innerElements = lookup.Get(key).ToArray();
                            }
                            else
                            {
                                return false;
                            }
                        }
                    },
                    function () { Utils.Dispose(outerEnumerator); })
            });
        },

        // Overload:function (inner, outerKeySelector, innerKeySelector, resultSelector)
        // Overload:function (inner, outerKeySelector, innerKeySelector, resultSelector, compareSelector)
        GroupJoin: function (inner, outerKeySelector, innerKeySelector, resultSelector, compareSelector)
        {
            outerKeySelector = Utils.CreateLambda(outerKeySelector);
            innerKeySelector = Utils.CreateLambda(innerKeySelector);
            resultSelector = Utils.CreateLambda(resultSelector);
            compareSelector = Utils.CreateLambda(compareSelector);
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator = source.GetEnumerator();
                var lookup = null;

                return new IEnumerator(
                    function ()
                    {
                        enumerator = source.GetEnumerator();
                        lookup = Enumerable.From(inner).ToLookup(innerKeySelector, Functions.Identity, compareSelector);
                    },
                    function ()
                    {
                        if (enumerator.MoveNext())
                        {
                            var innerElement = lookup.Get(outerKeySelector(enumerator.Current()));
                            return this.Yield(resultSelector(enumerator.Current(), innerElement));
                        }
                        return false;
                    },
                    function () { Utils.Dispose(enumerator); })
            });
        },

        /* Set Methods */

        All: function (predicate)
        {
            predicate = Utils.CreateLambda(predicate);

            var result = true;
            this.ForEach(function (x)
            {
                if (!predicate(x))
                {
                    result = false;
                    return false; // break
                }
            });
            return result;
        },

        // Overload:function()
        // Overload:function(predicate)
        Any: function (predicate)
        {
            predicate = Utils.CreateLambda(predicate);

            var enumerator = this.GetEnumerator();
            try
            {
                if (arguments.length == 0) return enumerator.MoveNext(); // case:function()

                while (enumerator.MoveNext()) // case:function(predicate)
                {
                    if (predicate(enumerator.Current())) return true;
                }
                return false;
            }
            finally { Utils.Dispose(enumerator); }
        },

        Concat: function (second)
        {
            var source = this;

            return new Enumerable(function ()
            {
                var firstEnumerator;
                var secondEnumerator;

                return new IEnumerator(
                    function () { firstEnumerator = source.GetEnumerator(); },
                    function ()
                    {
                        if (secondEnumerator == null)
                        {
                            if (firstEnumerator.MoveNext()) return this.Yield(firstEnumerator.Current());
                            secondEnumerator = Enumerable.From(second).GetEnumerator();
                        }
                        if (secondEnumerator.MoveNext()) return this.Yield(secondEnumerator.Current());
                        return false;
                    },
                    function ()
                    {
                        try { Utils.Dispose(firstEnumerator); }
                        finally { Utils.Dispose(secondEnumerator); }
                    })
            });
        },

        Insert: function (index, second)
        {
            var source = this;

            return new Enumerable(function ()
            {
                var firstEnumerator;
                var secondEnumerator;
                var count = 0;
                var isEnumerated = false;

                return new IEnumerator(
                    function ()
                    {
                        firstEnumerator = source.GetEnumerator();
                        secondEnumerator = Enumerable.From(second).GetEnumerator();
                    },
                    function ()
                    {
                        if (count == index && secondEnumerator.MoveNext())
                        {
                            isEnumerated = true;
                            return this.Yield(secondEnumerator.Current());
                        }
                        if (firstEnumerator.MoveNext())
                        {
                            count++;
                            return this.Yield(firstEnumerator.Current());
                        }
                        if (!isEnumerated && secondEnumerator.MoveNext())
                        {
                            return this.Yield(secondEnumerator.Current());
                        }
                        return false;
                    },
                    function ()
                    {
                        try { Utils.Dispose(firstEnumerator); }
                        finally { Utils.Dispose(secondEnumerator); }
                    })
            });
        },

        Alternate: function (value)
        {
            value = Enumerable.Return(value);
            return this.SelectMany(function (elem)
            {
                return Enumerable.Return(elem).Concat(value);
            }).TakeExceptLast();
        },

        // Overload:function(value)
        // Overload:function(value, compareSelector)
        Contains: function (value, compareSelector)
        {
            compareSelector = Utils.CreateLambda(compareSelector);
            var enumerator = this.GetEnumerator();
            try
            {
                while (enumerator.MoveNext())
                {
                    if (compareSelector(enumerator.Current()) === value) return true;
                }
                return false;
            }
            finally { Utils.Dispose(enumerator) }
        },

        DefaultIfEmpty: function (defaultValue)
        {
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator;
                var isFirst = true;

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        if (enumerator.MoveNext())
                        {
                            isFirst = false;
                            return this.Yield(enumerator.Current());
                        }
                        else if (isFirst)
                        {
                            isFirst = false;
                            return this.Yield(defaultValue);
                        }
                        return false;
                    },
                    function () { Utils.Dispose(enumerator); })
            });
        },

        // Overload:function()
        // Overload:function(compareSelector)
        Distinct: function (compareSelector)
        {
            return this.Except(Enumerable.Empty(), compareSelector);
        },

        // Overload:function(second)
        // Overload:function(second, compareSelector)
        Except: function (second, compareSelector)
        {
            compareSelector = Utils.CreateLambda(compareSelector);
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator;
                var keys;

                return new IEnumerator(
                    function ()
                    {
                        enumerator = source.GetEnumerator();
                        keys = new Dictionary(compareSelector);
                        Enumerable.From(second).ForEach(function (key) { keys.Add(key); });
                    },
                    function ()
                    {
                        while (enumerator.MoveNext())
                        {
                            var current = enumerator.Current();
                            if (!keys.Contains(current))
                            {
                                keys.Add(current);
                                return this.Yield(current);
                            }
                        }
                        return false;
                    },
                    function () { Utils.Dispose(enumerator); })
            });
        },

        // Overload:function(second)
        // Overload:function(second, compareSelector)
        Intersect: function (second, compareSelector)
        {
            compareSelector = Utils.CreateLambda(compareSelector);
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator;
                var keys;
                var outs;

                return new IEnumerator(
                    function ()
                    {
                        enumerator = source.GetEnumerator();

                        keys = new Dictionary(compareSelector);
                        Enumerable.From(second).ForEach(function (key) { keys.Add(key); });
                        outs = new Dictionary(compareSelector);
                    },
                    function ()
                    {
                        while (enumerator.MoveNext())
                        {
                            var current = enumerator.Current();
                            if (!outs.Contains(current) && keys.Contains(current))
                            {
                                outs.Add(current);
                                return this.Yield(current);
                            }
                        }
                        return false;
                    },
                    function () { Utils.Dispose(enumerator); })
            });
        },

        // Overload:function(second)
        // Overload:function(second, compareSelector)
        SequenceEqual: function (second, compareSelector)
        {
            compareSelector = Utils.CreateLambda(compareSelector);

            var firstEnumerator = this.GetEnumerator();
            try
            {
                var secondEnumerator = Enumerable.From(second).GetEnumerator();
                try
                {
                    while (firstEnumerator.MoveNext())
                    {
                        if (!secondEnumerator.MoveNext()
                            || compareSelector(firstEnumerator.Current()) !== compareSelector(secondEnumerator.Current()))
                        {
                            return false;
                        }
                    }

                    if (secondEnumerator.MoveNext()) return false;
                    return true;
                }
                finally { Utils.Dispose(secondEnumerator); }
            }
            finally { Utils.Dispose(firstEnumerator); }
        },

        Union: function (second, compareSelector)
        {
            compareSelector = Utils.CreateLambda(compareSelector);
            var source = this;

            return new Enumerable(function ()
            {
                var firstEnumerator;
                var secondEnumerator;
                var keys;

                return new IEnumerator(
                    function ()
                    {
                        firstEnumerator = source.GetEnumerator();
                        keys = new Dictionary(compareSelector);
                    },
                    function ()
                    {
                        var current;
                        if (secondEnumerator === undefined)
                        {
                            while (firstEnumerator.MoveNext())
                            {
                                current = firstEnumerator.Current();
                                if (!keys.Contains(current))
                                {
                                    keys.Add(current);
                                    return this.Yield(current);
                                }
                            }
                            secondEnumerator = Enumerable.From(second).GetEnumerator();
                        }
                        while (secondEnumerator.MoveNext())
                        {
                            current = secondEnumerator.Current();
                            if (!keys.Contains(current))
                            {
                                keys.Add(current);
                                return this.Yield(current);
                            }
                        }
                        return false;
                    },
                    function ()
                    {
                        try { Utils.Dispose(firstEnumerator); }
                        finally { Utils.Dispose(secondEnumerator); }
                    })
            });
        },

        /* Ordering Methods */

        OrderBy: function (keySelector)
        {
            return new OrderedEnumerable(this, keySelector, false);
        },

        OrderByDescending: function (keySelector)
        {
            return new OrderedEnumerable(this, keySelector, true);
        },

        Reverse: function ()
        {
            var source = this;

            return new Enumerable(function ()
            {
                var buffer;
                var index;

                return new IEnumerator(
                    function ()
                    {
                        buffer = source.ToArray();
                        index = buffer.length;
                    },
                    function ()
                    {
                        return (index > 0)
                            ? this.Yield(buffer[--index])
                            : false;
                    },
                    Functions.Blank)
            });
        },

        Shuffle: function ()
        {
            var source = this;

            return new Enumerable(function ()
            {
                var buffer;

                return new IEnumerator(
                    function () { buffer = source.ToArray(); },
                    function ()
                    {
                        if (buffer.length > 0)
                        {
                            var i = Math.floor(Math.random() * buffer.length);
                            return this.Yield(buffer.splice(i, 1)[0]);
                        }
                        return false;
                    },
                    Functions.Blank)
            });
        },

        /* Grouping Methods */

        // Overload:function(keySelector)
        // Overload:function(keySelector,elementSelector)
        // Overload:function(keySelector,elementSelector,resultSelector)
        // Overload:function(keySelector,elementSelector,resultSelector,compareSelector)
        GroupBy: function (keySelector, elementSelector, resultSelector, compareSelector)
        {
            var source = this;
            keySelector = Utils.CreateLambda(keySelector);
            elementSelector = Utils.CreateLambda(elementSelector);
            if (resultSelector != null) resultSelector = Utils.CreateLambda(resultSelector);
            compareSelector = Utils.CreateLambda(compareSelector);

            return new Enumerable(function ()
            {
                var enumerator;

                return new IEnumerator(
                    function ()
                    {
                        enumerator = source.ToLookup(keySelector, elementSelector, compareSelector)
                            .ToEnumerable()
                            .GetEnumerator();
                    },
                    function ()
                    {
                        while (enumerator.MoveNext())
                        {
                            return (resultSelector == null)
                                ? this.Yield(enumerator.Current())
                                : this.Yield(resultSelector(enumerator.Current().Key(), enumerator.Current()));
                        }
                        return false;
                    },
                    function () { Utils.Dispose(enumerator); })
            });
        },

        // Overload:function(keySelector)
        // Overload:function(keySelector,elementSelector)
        // Overload:function(keySelector,elementSelector,resultSelector)
        // Overload:function(keySelector,elementSelector,resultSelector,compareSelector)
        PartitionBy: function (keySelector, elementSelector, resultSelector, compareSelector)
        {

            var source = this;
            keySelector = Utils.CreateLambda(keySelector);
            elementSelector = Utils.CreateLambda(elementSelector);
            compareSelector = Utils.CreateLambda(compareSelector);
            var hasResultSelector;
            if (resultSelector == null)
            {
                hasResultSelector = false;
                resultSelector = function (key, group) { return new Grouping(key, group) }
            }
            else
            {
                hasResultSelector = true;
                resultSelector = Utils.CreateLambda(resultSelector);
            }

            return new Enumerable(function ()
            {
                var enumerator;
                var key;
                var compareKey;
                var group = [];

                return new IEnumerator(
                    function ()
                    {
                        enumerator = source.GetEnumerator();
                        if (enumerator.MoveNext())
                        {
                            key = keySelector(enumerator.Current());
                            compareKey = compareSelector(key);
                            group.push(elementSelector(enumerator.Current()));
                        }
                    },
                    function ()
                    {
                        var hasNext;
                        while ((hasNext = enumerator.MoveNext()) == true)
                        {
                            if (compareKey === compareSelector(keySelector(enumerator.Current())))
                            {
                                group.push(elementSelector(enumerator.Current()));
                            }
                            else break;
                        }

                        if (group.length > 0)
                        {
                            var result = (hasResultSelector)
                                ? resultSelector(key, Enumerable.From(group))
                                : resultSelector(key, group);
                            if (hasNext)
                            {
                                key = keySelector(enumerator.Current());
                                compareKey = compareSelector(key);
                                group = [elementSelector(enumerator.Current())];
                            }
                            else group = [];

                            return this.Yield(result);
                        }

                        return false;
                    },
                    function () { Utils.Dispose(enumerator); })
            });
        },

        BufferWithCount: function (count)
        {
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator;

                return new IEnumerator(
                function () { enumerator = source.GetEnumerator(); },
                function ()
                {
                    var array = [];
                    var index = 0;
                    while (enumerator.MoveNext())
                    {
                        array.push(enumerator.Current());
                        if (++index >= count) return this.Yield(array);
                    }
                    if (array.length > 0) return this.Yield(array);
                    return false;
                },
                function () { Utils.Dispose(enumerator); })
            });
        },

        /* Aggregate Methods */

        // Overload:function(func)
        // Overload:function(seed,func)
        // Overload:function(seed,func,resultSelector)
        Aggregate: function (seed, func, resultSelector)
        {
            return this.Scan(seed, func, resultSelector).Last();
        },

        // Overload:function()
        // Overload:function(selector)
        Average: function (selector)
        {
            selector = Utils.CreateLambda(selector);

            var sum = 0;
            var count = 0;
            this.ForEach(function (x)
            {
                sum += selector(x);
                ++count;
            });

            return sum / count;
        },

        // Overload:function()
        // Overload:function(predicate)
        Count: function (predicate)
        {
            predicate = (predicate == null) ? Functions.True : Utils.CreateLambda(predicate);

            var count = 0;
            this.ForEach(function (x, i)
            {
                if (predicate(x, i)) ++count;
            });
            return count;
        },

        // Overload:function()
        // Overload:function(selector)
        Max: function (selector)
        {
            if (selector == null) selector = Functions.Identity;
            return this.Select(selector).Aggregate(function (a, b) { return (a > b) ? a : b; });
        },

        // Overload:function()
        // Overload:function(selector)
        Min: function (selector)
        {
            if (selector == null) selector = Functions.Identity;
            return this.Select(selector).Aggregate(function (a, b) { return (a < b) ? a : b; });
        },

        MaxBy: function (keySelector)
        {
            keySelector = Utils.CreateLambda(keySelector);
            return this.Aggregate(function (a, b) { return (keySelector(a) > keySelector(b)) ? a : b });
        },

        MinBy: function (keySelector)
        {
            keySelector = Utils.CreateLambda(keySelector);
            return this.Aggregate(function (a, b) { return (keySelector(a) < keySelector(b)) ? a : b });
        },

        // Overload:function()
        // Overload:function(selector)
        Sum: function (selector)
        {
            if (selector == null) selector = Functions.Identity;
            return this.Select(selector).Aggregate(0, function (a, b) { return a + b; });
        },

        /* Paging Methods */

        ElementAt: function (index)
        {
            var value;
            var found = false;
            this.ForEach(function (x, i)
            {
                if (i == index)
                {
                    value = x;
                    found = true;
                    return false;
                }
            });

            if (!found) throw new Error("index is less than 0 or greater than or equal to the number of elements in source.");
            return value;
        },

        ElementAtOrDefault: function (index, defaultValue)
        {
            var value;
            var found = false;
            this.ForEach(function (x, i)
            {
                if (i == index)
                {
                    value = x;
                    found = true;
                    return false;
                }
            });

            return (!found) ? defaultValue : value;
        },

        // Overload:function()
        // Overload:function(predicate)
        First: function (predicate)
        {
            if (predicate != null) return this.Where(predicate).First();

            var value;
            var found = false;
            this.ForEach(function (x)
            {
                value = x;
                found = true;
                return false;
            });

            if (!found) throw new Error("First:No element satisfies the condition.");
            return value;
        },

        // Overload:function(defaultValue)
        // Overload:function(defaultValue,predicate)
        FirstOrDefault: function (defaultValue, predicate)
        {
            if (predicate != null) return this.Where(predicate).FirstOrDefault(defaultValue);

            var value;
            var found = false;
            this.ForEach(function (x)
            {
                value = x;
                found = true;
                return false;
            });
            return (!found) ? defaultValue : value;
        },

        // Overload:function()
        // Overload:function(predicate)
        Last: function (predicate)
        {
            if (predicate != null) return this.Where(predicate).Last();

            var value;
            var found = false;
            this.ForEach(function (x)
            {
                found = true;
                value = x;
            });

            if (!found) throw new Error("Last:No element satisfies the condition.");
            return value;
        },

        // Overload:function(defaultValue)
        // Overload:function(defaultValue,predicate)
        LastOrDefault: function (defaultValue, predicate)
        {
            if (predicate != null) return this.Where(predicate).LastOrDefault(defaultValue);

            var value;
            var found = false;
            this.ForEach(function (x)
            {
                found = true;
                value = x;
            });
            return (!found) ? defaultValue : value;
        },

        // Overload:function()
        // Overload:function(predicate)
        Single: function (predicate)
        {
            if (predicate != null) return this.Where(predicate).Single();

            var value;
            var found = false;
            this.ForEach(function (x)
            {
                if (!found)
                {
                    found = true;
                    value = x;
                }
                else throw new Error("Single:sequence contains more than one element.");
            });

            if (!found) throw new Error("Single:No element satisfies the condition.");
            return value;
        },

        // Overload:function(defaultValue)
        // Overload:function(defaultValue,predicate)
        SingleOrDefault: function (defaultValue, predicate)
        {
            if (predicate != null) return this.Where(predicate).SingleOrDefault(defaultValue);

            var value;
            var found = false;
            this.ForEach(function (x)
            {
                if (!found)
                {
                    found = true;
                    value = x;
                }
                else throw new Error("Single:sequence contains more than one element.");
            });

            return (!found) ? defaultValue : value;
        },

        Skip: function (count)
        {
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator;
                var index = 0;

                return new IEnumerator(
                    function ()
                    {
                        enumerator = source.GetEnumerator();
                        while (index++ < count && enumerator.MoveNext()) { };
                    },
                    function ()
                    {
                        return (enumerator.MoveNext())
                            ? this.Yield(enumerator.Current())
                            : false;
                    },
                    function () { Utils.Dispose(enumerator); })
            });
        },

        // Overload:function(predicate<element>)
        // Overload:function(predicate<element,index>)
        SkipWhile: function (predicate)
        {
            predicate = Utils.CreateLambda(predicate);
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator;
                var index = 0;
                var isSkipEnd = false;

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        while (!isSkipEnd)
                        {
                            if (enumerator.MoveNext())
                            {
                                if (!predicate(enumerator.Current(), index++))
                                {
                                    isSkipEnd = true;
                                    return this.Yield(enumerator.Current());
                                }
                                continue;
                            }
                            else return false;
                        }

                        return (enumerator.MoveNext())
                            ? this.Yield(enumerator.Current())
                            : false;

                    },
                    function () { Utils.Dispose(enumerator); });
            });
        },

        Take: function (count)
        {
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator;
                var index = 0;

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        return (index++ < count && enumerator.MoveNext())
                            ? this.Yield(enumerator.Current())
                            : false;
                    },
                    function () { Utils.Dispose(enumerator); }
                )
            });
        },

        // Overload:function(predicate<element>)
        // Overload:function(predicate<element,index>)
        TakeWhile: function (predicate)
        {
            predicate = Utils.CreateLambda(predicate);
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator;
                var index = 0;

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        return (enumerator.MoveNext() && predicate(enumerator.Current(), index++))
                            ? this.Yield(enumerator.Current())
                            : false;
                    },
                    function () { Utils.Dispose(enumerator); });
            });
        },

        // Overload:function()
        // Overload:function(count)
        TakeExceptLast: function (count)
        {
            if (count == null) count = 1;
            var source = this;

            return new Enumerable(function ()
            {
                if (count <= 0) return source.GetEnumerator(); // do nothing

                var enumerator;
                var q = [];

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        while (enumerator.MoveNext())
                        {
                            if (q.length == count)
                            {
                                q.push(enumerator.Current());
                                return this.Yield(q.shift());
                            }
                            q.push(enumerator.Current());
                        }
                        return false;
                    },
                    function () { Utils.Dispose(enumerator); });
            });
        },

        TakeFromLast: function (count)
        {
            if (count <= 0 || count == null) return Enumerable.Empty();
            var source = this;

            return new Enumerable(function ()
            {
                var sourceEnumerator;
                var enumerator;
                var q = [];

                return new IEnumerator(
                    function () { sourceEnumerator = source.GetEnumerator(); },
                    function ()
                    {
                        while (sourceEnumerator.MoveNext())
                        {
                            if (q.length == count) q.shift()
                            q.push(sourceEnumerator.Current());
                        }
                        if (enumerator == null)
                        {
                            enumerator = Enumerable.From(q).GetEnumerator();
                        }
                        return (enumerator.MoveNext())
                            ? this.Yield(enumerator.Current())
                            : false;
                    },
                    function () { Utils.Dispose(enumerator); });
            });
        },

        IndexOf: function (item)
        {
            var found = null;
            this.ForEach(function (x, i)
            {
                if (x === item)
                {
                    found = i;
                    return true;
                }
            });

            return (found !== null) ? found : -1;
        },

        LastIndexOf: function (item)
        {
            var result = -1;
            this.ForEach(function (x, i)
            {
                if (x === item) result = i;
            });

            return result;
        },

        /* Convert Methods */

        ToArray: function ()
        {
            var array = [];
            this.ForEach(function (x) { array.push(x) });
            return array;
        },

        // Overload:function(keySelector)
        // Overload:function(keySelector, elementSelector)
        // Overload:function(keySelector, elementSelector, compareSelector)
        ToLookup: function (keySelector, elementSelector, compareSelector)
        {
            keySelector = Utils.CreateLambda(keySelector);
            elementSelector = Utils.CreateLambda(elementSelector);
            compareSelector = Utils.CreateLambda(compareSelector);

            var dict = new Dictionary(compareSelector);
            this.ForEach(function (x)
            {
                var key = keySelector(x);
                var element = elementSelector(x);

                var array = dict.Get(key);
                if (array !== undefined) array.push(element);
                else dict.Add(key, [element]);
            });
            return new Lookup(dict);
        },

        ToObject: function (keySelector, elementSelector)
        {
            keySelector = Utils.CreateLambda(keySelector);
            elementSelector = Utils.CreateLambda(elementSelector);

            var obj = {};
            this.ForEach(function (x)
            {
                obj[keySelector(x)] = elementSelector(x);
            });
            return obj;
        },

        // Overload:function(keySelector, elementSelector)
        // Overload:function(keySelector, elementSelector, compareSelector)
        ToDictionary: function (keySelector, elementSelector, compareSelector)
        {
            keySelector = Utils.CreateLambda(keySelector);
            elementSelector = Utils.CreateLambda(elementSelector);
            compareSelector = Utils.CreateLambda(compareSelector);

            var dict = new Dictionary(compareSelector);
            this.ForEach(function (x)
            {
                dict.Add(keySelector(x), elementSelector(x));
            });
            return dict;
        },

        // Overload:function()
        // Overload:function(replacer)
        // Overload:function(replacer, space)
        ToJSON: function (replacer, space)
        {
            return JSON.stringify(this.ToArray(), replacer, space);
        },

        // Overload:function()
        // Overload:function(separator)
        // Overload:function(separator,selector)
        ToString: function (separator, selector)
        {
            if (separator == null) separator = "";
            if (selector == null) selector = Functions.Identity;

            return this.Select(selector).ToArray().join(separator);
        },


        /* Action Methods */

        // Overload:function(action<element>)
        // Overload:function(action<element,index>)
        Do: function (action)
        {
            var source = this;
            action = Utils.CreateLambda(action);

            return new Enumerable(function ()
            {
                var enumerator;
                var index = 0;

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        if (enumerator.MoveNext())
                        {
                            action(enumerator.Current(), index++);
                            return this.Yield(enumerator.Current());
                        }
                        return false;
                    },
                    function () { Utils.Dispose(enumerator); });
            });
        },

        // Overload:function(action<element>)
        // Overload:function(action<element,index>)
        // Overload:function(func<element,bool>)
        // Overload:function(func<element,index,bool>)
        ForEach: function (action)
        {
            action = Utils.CreateLambda(action);

            var index = 0;
            var enumerator = this.GetEnumerator();
            try
            {
                while (enumerator.MoveNext())
                {
                    if (action(enumerator.Current(), index++) === false) break;
                }
            }
            finally { Utils.Dispose(enumerator); }
        },

        // Overload:function()
        // Overload:function(separator)
        // Overload:function(separator,selector)
        Write: function (separator, selector)
        {
            if (separator == null) separator = "";
            selector = Utils.CreateLambda(selector);

            var isFirst = true;
            this.ForEach(function (item)
            {
                if (isFirst) isFirst = false;
                else document.write(separator);
                document.write(selector(item));
            });
        },

        // Overload:function()
        // Overload:function(selector)
        WriteLine: function (selector)
        {
            selector = Utils.CreateLambda(selector);

            this.ForEach(function (item)
            {
                document.write(selector(item));
                document.write("<br />");
            });
        },

        Force: function ()
        {
            var enumerator = this.GetEnumerator();

            try { while (enumerator.MoveNext()) { } }
            finally { Utils.Dispose(enumerator); }
        },

        /* Functional Methods */

        Let: function (func)
        {
            func = Utils.CreateLambda(func);
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator;

                return new IEnumerator(
                    function ()
                    {
                        enumerator = Enumerable.From(func(source)).GetEnumerator();
                    },
                    function ()
                    {
                        return (enumerator.MoveNext())
                            ? this.Yield(enumerator.Current())
                            : false;
                    },
                    function () { Utils.Dispose(enumerator); })
            });
        },

        Share: function ()
        {
            var source = this;
            var sharedEnumerator;

            return new Enumerable(function ()
            {
                return new IEnumerator(
                    function ()
                    {
                        if (sharedEnumerator == null)
                        {
                            sharedEnumerator = source.GetEnumerator();
                        }
                    },
                    function ()
                    {
                        return (sharedEnumerator.MoveNext())
                            ? this.Yield(sharedEnumerator.Current())
                            : false;
                    },
                    Functions.Blank
                )
            });
        },

        MemoizeAll: function ()
        {
            var source = this;
            var cache;
            var enumerator;

            return new Enumerable(function ()
            {
                var index = -1;

                return new IEnumerator(
                    function ()
                    {
                        if (enumerator == null)
                        {
                            enumerator = source.GetEnumerator();
                            cache = [];
                        }
                    },
                    function ()
                    {
                        index++;
                        if (cache.length <= index)
                        {
                            return (enumerator.MoveNext())
                                ? this.Yield(cache[index] = enumerator.Current())
                                : false;
                        }

                        return this.Yield(cache[index]);
                    },
                    Functions.Blank
                )
            });
        },

        /* Error Handling Methods */

        Catch: function (handler)
        {
            handler = Utils.CreateLambda(handler);
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator;

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        try
                        {
                            return (enumerator.MoveNext())
                               ? this.Yield(enumerator.Current())
                               : false;
                        }
                        catch (e)
                        {
                            handler(e);
                            return false;
                        }
                    },
                    function () { Utils.Dispose(enumerator); });
            });
        },

        Finally: function (finallyAction)
        {
            finallyAction = Utils.CreateLambda(finallyAction);
            var source = this;

            return new Enumerable(function ()
            {
                var enumerator;

                return new IEnumerator(
                    function () { enumerator = source.GetEnumerator(); },
                    function ()
                    {
                        return (enumerator.MoveNext())
                           ? this.Yield(enumerator.Current())
                           : false;
                    },
                    function ()
                    {
                        try { Utils.Dispose(enumerator); }
                        finally { finallyAction(); }
                    });
            });
        },

        /* For Debug Methods */

        // Overload:function()
        // Overload:function(message)
        // Overload:function(message,selector)
        Trace: function (message, selector)
        {
            if (message == null) message = "Trace";
            selector = Utils.CreateLambda(selector);

            return this.Do(function (item)
            {
                console.log(message, ":", selector(item));
            });
        }
    }

    // private

    // static functions
    var Functions =
    {
        Identity: function (x) { return x; },
        True: function () { return true; },
        Blank: function () { }
    }

    // static const
    var Types =
    {
        Boolean: typeof true,
        Number: typeof 0,
        String: typeof "",
        Object: typeof {},
        Undefined: typeof undefined,
        Function: typeof function () { }
    }

    // static utility methods
    var Utils =
    {
        // Create anonymous function from lambda expression string
        CreateLambda: function (expression)
        {
            if (expression == null) return Functions.Identity;
            if (typeof expression == Types.String)
            {
                if (expression == "")
                {
                    return Functions.Identity;
                }
                else if (expression.indexOf("=>") == -1)
                {
                    return new Function("$,$$,$$$,$$$$", "return " + expression);
                }
                else
                {
                    var expr = expression.match(/^[(\s]*([^()]*?)[)\s]*=>(.*)/);
                    return new Function(expr[1], "return " + expr[2]);
                }
            }
            return expression;
        },

        IsIEnumerable: function (obj)
        {
            if (typeof Enumerator != Types.Undefined)
            {
                try
                {
                    new Enumerator(obj);
                    return true;
                }
                catch (e) { }
            }
            return false;
        },

        Compare: function (a, b)
        {
            return (a === b) ? 0
                : (a > b) ? 1
                : -1;
        },

        Dispose: function (obj)
        {
            if (obj != null) obj.Dispose();
        }
    }

    // IEnumerator State
    var State = { Before: 0, Running: 1, After: 2 }

    // name "Enumerator" is conflict JScript's "Enumerator"
    var IEnumerator = function (initialize, tryGetNext, dispose)
    {
        var yielder = new Yielder();
        var state = State.Before;

        this.Current = yielder.Current;
        this.MoveNext = function ()
        {
            try
            {
                switch (state)
                {
                    case State.Before:
                        state = State.Running;
                        initialize(); // fall through
                    case State.Running:
                        if (tryGetNext.apply(yielder))
                        {
                            return true;
                        }
                        else
                        {
                            this.Dispose();
                            return false;
                        }
                    case State.After:
                        return false;
                }
            }
            catch (e)
            {
                this.Dispose();
                throw e;
            }
        }
        this.Dispose = function ()
        {
            if (state != State.Running) return;

            try { dispose(); }
            finally { state = State.After; }
        }
    }

    // for tryGetNext
    var Yielder = function ()
    {
        var current = null;
        this.Current = function () { return current; }
        this.Yield = function (value)
        {
            current = value;
            return true;
        }
    }

    // for OrderBy/ThenBy

    var OrderedEnumerable = function (source, keySelector, descending, parent)
    {
        this.source = source;
        this.keySelector = Utils.CreateLambda(keySelector);
        this.descending = descending;
        this.parent = parent;
    }
    OrderedEnumerable.prototype = new Enumerable();

    OrderedEnumerable.prototype.CreateOrderedEnumerable = function (keySelector, descending)
    {
        return new OrderedEnumerable(this.source, keySelector, descending, this);
    }

    OrderedEnumerable.prototype.ThenBy = function (keySelector)
    {
        return this.CreateOrderedEnumerable(keySelector, false);
    }

    OrderedEnumerable.prototype.ThenByDescending = function (keySelector)
    {
        return this.CreateOrderedEnumerable(keySelector, true);
    }

    OrderedEnumerable.prototype.GetEnumerator = function ()
    {
        var self = this;
        var buffer;
        var indexes;
        var index = 0;

        return new IEnumerator(
            function ()
            {
                buffer = [];
                indexes = [];
                self.source.ForEach(function (item, index)
                {
                    buffer.push(item);
                    indexes.push(index);
                });
                var sortContext = SortContext.Create(self, null);
                sortContext.GenerateKeys(buffer);

                indexes.sort(function (a, b) { return sortContext.Compare(a, b); });
            },
            function ()
            {
                return (index < indexes.length)
                    ? this.Yield(buffer[indexes[index++]])
                    : false;
            },
            Functions.Blank
        )
    }

    var SortContext = function (keySelector, descending, child)
    {
        this.keySelector = keySelector;
        this.descending = descending;
        this.child = child;
        this.keys = null;
    }

    SortContext.Create = function (orderedEnumerable, currentContext)
    {
        var context = new SortContext(orderedEnumerable.keySelector, orderedEnumerable.descending, currentContext);
        if (orderedEnumerable.parent != null) return SortContext.Create(orderedEnumerable.parent, context);
        return context;
    }

    SortContext.prototype.GenerateKeys = function (source)
    {
        var len = source.length;
        var keySelector = this.keySelector;
        var keys = new Array(len);
        for (var i = 0; i < len; i++) keys[i] = keySelector(source[i]);
        this.keys = keys;

        if (this.child != null) this.child.GenerateKeys(source);
    }

    SortContext.prototype.Compare = function (index1, index2)
    {
        var comparison = Utils.Compare(this.keys[index1], this.keys[index2]);

        if (comparison == 0)
        {
            if (this.child != null) return this.child.Compare(index1, index2)
            comparison = Utils.Compare(index1, index2);
        }

        return (this.descending) ? -comparison : comparison;
    }

    // optimize array or arraylike object

    var ArrayEnumerable = function (source)
    {
        this.source = source;
    }
    ArrayEnumerable.prototype = new Enumerable();

    ArrayEnumerable.prototype.Any = function (predicate)
    {
        return (predicate == null)
            ? (this.source.length > 0)
            : Enumerable.prototype.Any.apply(this, arguments);
    }

    ArrayEnumerable.prototype.Count = function (predicate)
    {
        return (predicate == null)
            ? this.source.length
            : Enumerable.prototype.Count.apply(this, arguments);
    }

    ArrayEnumerable.prototype.ElementAt = function (index)
    {
        return (0 <= index && index < this.source.length)
            ? this.source[index]
            : Enumerable.prototype.ElementAt.apply(this, arguments);
    }

    ArrayEnumerable.prototype.ElementAtOrDefault = function (index, defaultValue)
    {
        return (0 <= index && index < this.source.length)
            ? this.source[index]
            : defaultValue;
    }

    ArrayEnumerable.prototype.First = function (predicate)
    {
        return (predicate == null && this.source.length > 0)
            ? this.source[0]
            : Enumerable.prototype.First.apply(this, arguments);
    }

    ArrayEnumerable.prototype.FirstOrDefault = function (defaultValue, predicate)
    {
        if (predicate != null)
        {
            return Enumerable.prototype.FirstOrDefault.apply(this, arguments);
        }

        return this.source.length > 0 ? this.source[0] : defaultValue;
    }

    ArrayEnumerable.prototype.Last = function (predicate)
    {
        return (predicate == null && this.source.length > 0)
            ? this.source[this.source.length - 1]
            : Enumerable.prototype.Last.apply(this, arguments);
    }

    ArrayEnumerable.prototype.LastOrDefault = function (defaultValue, predicate)
    {
        if (predicate != null)
        {
            return Enumerable.prototype.LastOrDefault.apply(this, arguments);
        }

        return this.source.length > 0 ? this.source[this.source.length - 1] : defaultValue;
    }

    ArrayEnumerable.prototype.Skip = function (count)
    {
        var source = this.source;

        return new Enumerable(function ()
        {
            var index;

            return new IEnumerator(
                function () { index = (count < 0) ? 0 : count },
                function ()
                {
                    return (index < source.length)
                        ? this.Yield(source[index++])
                        : false;
                },
                Functions.Blank);
        });
    };

    ArrayEnumerable.prototype.TakeExceptLast = function (count)
    {
        if (count == null) count = 1;
        return this.Take(this.source.length - count);
    }

    ArrayEnumerable.prototype.TakeFromLast = function (count)
    {
        return this.Skip(this.source.length - count);
    }

    ArrayEnumerable.prototype.Reverse = function ()
    {
        var source = this.source;

        return new Enumerable(function ()
        {
            var index;

            return new IEnumerator(
                function ()
                {
                    index = source.length;
                },
                function ()
                {
                    return (index > 0)
                        ? this.Yield(source[--index])
                        : false;
                },
                Functions.Blank)
        });
    }

    ArrayEnumerable.prototype.SequenceEqual = function (second, compareSelector)
    {
        if ((second instanceof ArrayEnumerable || second instanceof Array)
            && compareSelector == null
            && Enumerable.From(second).Count() != this.Count())
        {
            return false;
        }

        return Enumerable.prototype.SequenceEqual.apply(this, arguments);
    }

    ArrayEnumerable.prototype.ToString = function (separator, selector)
    {
        if (selector != null || !(this.source instanceof Array))
        {
            return Enumerable.prototype.ToString.apply(this, arguments);
        }

        if (separator == null) separator = "";
        return this.source.join(separator);
    }

    ArrayEnumerable.prototype.GetEnumerator = function ()
    {
        var source = this.source;
        var index = 0;

        return new IEnumerator(
            Functions.Blank,
            function ()
            {
                return (index < source.length)
                    ? this.Yield(source[index++])
                    : false;
            },
            Functions.Blank);
    }

    // Collections

    var Dictionary = (function ()
    {
        // static utility methods
        var HasOwnProperty = function (target, key)
        {
            return Object.prototype.hasOwnProperty.call(target, key);
        }

        var ComputeHashCode = function (obj)
        {
            if (obj === null) return "null";
            if (obj === undefined) return "undefined";

            return (typeof obj.toString === Types.Function)
                ? obj.toString()
                : Object.prototype.toString.call(obj);
        }

        // LinkedList for Dictionary
        var HashEntry = function (key, value)
        {
            this.Key = key;
            this.Value = value;
            this.Prev = null;
            this.Next = null;
        }

        var EntryList = function ()
        {
            this.First = null;
            this.Last = null;
        }
        EntryList.prototype =
        {
            AddLast: function (entry)
            {
                if (this.Last != null)
                {
                    this.Last.Next = entry;
                    entry.Prev = this.Last;
                    this.Last = entry;
                }
                else this.First = this.Last = entry;
            },

            Replace: function (entry, newEntry)
            {
                if (entry.Prev != null)
                {
                    entry.Prev.Next = newEntry;
                    newEntry.Prev = entry.Prev;
                }
                else this.First = newEntry;

                if (entry.Next != null)
                {
                    entry.Next.Prev = newEntry;
                    newEntry.Next = entry.Next;
                }
                else this.Last = newEntry;

            },

            Remove: function (entry)
            {
                if (entry.Prev != null) entry.Prev.Next = entry.Next;
                else this.First = entry.Next;

                if (entry.Next != null) entry.Next.Prev = entry.Prev;
                else this.Last = entry.Prev;
            }
        }

        // Overload:function()
        // Overload:function(compareSelector)
        var Dictionary = function (compareSelector)
        {
            this.count = 0;
            this.entryList = new EntryList();
            this.buckets = {}; // as Dictionary<string,List<object>>
            this.compareSelector = (compareSelector == null) ? Functions.Identity : compareSelector;
        }

        Dictionary.prototype =
        {
            Add: function (key, value)
            {
                var compareKey = this.compareSelector(key);
                var hash = ComputeHashCode(compareKey);
                var entry = new HashEntry(key, value);
                if (HasOwnProperty(this.buckets, hash))
                {
                    var array = this.buckets[hash];
                    for (var i = 0; i < array.length; i++)
                    {
                        if (this.compareSelector(array[i].Key) === compareKey)
                        {
                            this.entryList.Replace(array[i], entry);
                            array[i] = entry;
                            return;
                        }
                    }
                    array.push(entry);
                }
                else
                {
                    this.buckets[hash] = [entry];
                }
                this.count++;
                this.entryList.AddLast(entry);
            },

            Get: function (key)
            {
                var compareKey = this.compareSelector(key);
                var hash = ComputeHashCode(compareKey);
                if (!HasOwnProperty(this.buckets, hash)) return undefined;

                var array = this.buckets[hash];
                for (var i = 0; i < array.length; i++)
                {
                    var entry = array[i];
                    if (this.compareSelector(entry.Key) === compareKey) return entry.Value;
                }
                return undefined;
            },

            Set: function (key, value)
            {
                var compareKey = this.compareSelector(key);
                var hash = ComputeHashCode(compareKey);
                if (HasOwnProperty(this.buckets, hash))
                {
                    var array = this.buckets[hash];
                    for (var i = 0; i < array.length; i++)
                    {
                        if (this.compareSelector(array[i].Key) === compareKey)
                        {
                            var newEntry = new HashEntry(key, value);
                            this.entryList.Replace(array[i], newEntry);
                            array[i] = newEntry;
                            return true;
                        }
                    }
                }
                return false;
            },

            Contains: function (key)
            {
                var compareKey = this.compareSelector(key);
                var hash = ComputeHashCode(compareKey);
                if (!HasOwnProperty(this.buckets, hash)) return false;

                var array = this.buckets[hash];
                for (var i = 0; i < array.length; i++)
                {
                    if (this.compareSelector(array[i].Key) === compareKey) return true;
                }
                return false;
            },

            Clear: function ()
            {
                this.count = 0;
                this.buckets = {};
                this.entryList = new EntryList();
            },

            Remove: function (key)
            {
                var compareKey = this.compareSelector(key);
                var hash = ComputeHashCode(compareKey);
                if (!HasOwnProperty(this.buckets, hash)) return;

                var array = this.buckets[hash];
                for (var i = 0; i < array.length; i++)
                {
                    if (this.compareSelector(array[i].Key) === compareKey)
                    {
                        this.entryList.Remove(array[i]);
                        array.splice(i, 1);
                        if (array.length == 0) delete this.buckets[hash];
                        this.count--;
                        return;
                    }
                }
            },

            Count: function ()
            {
                return this.count;
            },

            ToEnumerable: function ()
            {
                var self = this;
                return new Enumerable(function ()
                {
                    var currentEntry;

                    return new IEnumerator(
                        function () { currentEntry = self.entryList.First },
                        function ()
                        {
                            if (currentEntry != null)
                            {
                                var result = { Key: currentEntry.Key, Value: currentEntry.Value };
                                currentEntry = currentEntry.Next;
                                return this.Yield(result);
                            }
                            return false;
                        },
                        Functions.Blank);
                });
            }
        }

        return Dictionary;
    })();

    // dictionary = Dictionary<TKey, TValue[]>
    var Lookup = function (dictionary)
    {
        this.Count = function ()
        {
            return dictionary.Count();
        }

        this.Get = function (key)
        {
            return Enumerable.From(dictionary.Get(key));
        }

        this.Contains = function (key)
        {
            return dictionary.Contains(key);
        }

        this.ToEnumerable = function ()
        {
            return dictionary.ToEnumerable().Select(function (kvp)
            {
                return new Grouping(kvp.Key, kvp.Value);
            });
        }
    }

    var Grouping = function (key, elements)
    {
        this.Key = function ()
        {
            return key;
        }

        ArrayEnumerable.call(this, elements);
    }
    Grouping.prototype = new ArrayEnumerable();

    // out to global
    return Enumerable;
})()});

// binding for jQuery
// toEnumerable / TojQuery

(function ($, Enumerable)
{
    $.fn.toEnumerable = function ()
    {
        /// <summary>each contains elements. to Enumerable&lt;jQuery&gt;.</summary>
        /// <returns type="Enumerable"></returns>
        return Enumerable.From(this).Select(function (e) { return $(e) });
    }

    Enumerable.prototype.TojQuery = function ()
    {
        /// <summary>Enumerable to jQuery.</summary>
        /// <returns type="jQuery"></returns>
        return $(this.ToArray());
    }
})(jQuery, this.Enumerable || this.jQuery.Enumerable)

/*jquery.ui.datepicker-ru.js*/
/* Russian (UTF-8) initialisation for the jQuery UI date picker plugin. */
/* Written by Andrew Stromnov (stromnov@gmail.com). */
jQuery(function($){
	$.datepicker.regional['ru'] = {
		closeText: 'Закрыть',
		prevText: '&#x3c;Пред',
		nextText: 'След&#x3e;',
		currentText: 'Сегодня',
		monthNames: ['Январь','Февраль','Март','Апрель','Май','Июнь',
		'Июль','Август','Сентябрь','Октябрь','Ноябрь','Декабрь'],
		monthNamesShort: ['Янв','Фев','Мар','Апр','Май','Июн',
		'Июл','Авг','Сен','Окт','Ноя','Дек'],
		dayNames: ['воскресенье','понедельник','вторник','среда','четверг','пятница','суббота'],
		dayNamesShort: ['вск','пнд','втр','срд','чтв','птн','сбт'],
		dayNamesMin: ['Вс','Пн','Вт','Ср','Чт','Пт','Сб'],
		weekHeader: 'Не',
		dateFormat: 'dd.mm.yy',
		firstDay: 1,
		isRTL: false,
		showMonthAfterYear: false,
		yearSuffix: ''};
	$.datepicker.setDefaults($.datepicker.regional['ru']);
});

/*jquery.ajaxQueue.js*/
/**
 * Ajax Queue Plugin
 * 
 * Homepage: http://jquery.com/plugins/project/ajaxqueue
 * Documentation: http://docs.jquery.com/AjaxQueue
 */

/**

<script>
$(function(){
	jQuery.ajaxQueue({
		url: "test.php",
		success: function(html){ jQuery("ul").append(html); }
	});
	jQuery.ajaxQueue({
		url: "test.php",
		success: function(html){ jQuery("ul").append(html); }
	});
	jQuery.ajaxSync({
		url: "test.php",
		success: function(html){ jQuery("ul").append("<b>"+html+"</b>"); }
	});
	jQuery.ajaxSync({
		url: "test.php",
		success: function(html){ jQuery("ul").append("<b>"+html+"</b>"); }
	});
});
</script>
<ul style="position: absolute; top: 5px; right: 5px;"></ul>

 */
/*
 * Queued Ajax requests.
 * A new Ajax request won't be started until the previous queued 
 * request has finished.
 */

/*
 * Synced Ajax requests.
 * The Ajax request will happen as soon as you call this method, but
 * the callbacks (success/error/complete) won't fire until all previous
 * synced requests have been completed.
 */


(function($) {
	
	var ajax = $.ajax;
	
	var pendingRequests = {};
	
	var synced = [];
	var syncedData = [];
	
	$.ajax = function(settings) {
		// create settings for compatibility with ajaxSetup
		settings = jQuery.extend(settings, jQuery.extend({}, jQuery.ajaxSettings, settings));
		
		var port = settings.port;
		
		switch(settings.mode) {
		case "abort": 
			if ( pendingRequests[port] ) {
				pendingRequests[port].abort();
			}
			return pendingRequests[port] = ajax.apply(this, arguments);
		case "queue": 
			var _old = settings.complete;
			settings.complete = function(){
				if ( _old )
					_old.apply( this, arguments );
				jQuery([ajax]).dequeue("ajax" + port );;
			};
		
			jQuery([ ajax ]).queue("ajax" + port, function(){
				ajax( settings );
			});
			return;
		case "sync":
			var pos = synced.length;
	
			synced[ pos ] = {
				error: settings.error,
				success: settings.success,
				complete: settings.complete,
				done: false
			};
		
			syncedData[ pos ] = {
				error: [],
				success: [],
				complete: []
			};
		
			settings.error = function(){ syncedData[ pos ].error = arguments; };
			settings.success = function(){ syncedData[ pos ].success = arguments; };
			settings.complete = function(){
				syncedData[ pos ].complete = arguments;
				synced[ pos ].done = true;
		
				if ( pos == 0 || !synced[ pos-1 ] )
					for ( var i = pos; i < synced.length && synced[i].done; i++ ) {
						if ( synced[i].error ) synced[i].error.apply( jQuery, syncedData[i].error );
						if ( synced[i].success ) synced[i].success.apply( jQuery, syncedData[i].success );
						if ( synced[i].complete ) synced[i].complete.apply( jQuery, syncedData[i].complete );
		
						synced[i] = null;
						syncedData[i] = null;
					}
			};
		}
		return ajax.apply(this, arguments);
	};
	
})(jQuery);

/*jquery.autocomplete.js*/
/*
 * jQuery Autocomplete plugin 1.1
 *
 * Copyright (c) 2009 Jörn Zaefferer
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * Revision: $Id: jquery.autocomplete.js 15 2009-08-22 10:30:27Z joern.zaefferer $
 */

;(function($)
{

  $.fn.extend({
    autocomplete: function(urlOrData, options)
    {
      var isUrl = typeof urlOrData == "string";
      options = $.extend({}, $.Autocompleter.defaults, {
        url: isUrl ? urlOrData : null,
        data: isUrl ? null : urlOrData,
        delay: isUrl ? $.Autocompleter.defaults.delay : 10,
        max: options && !options.scroll ? 10 : 150
      }, options);

      // if highlight is set to false, replace it with a do-nothing function
      options.highlight = options.highlight || function(value) { return value; };

      // if the formatMatch option is not specified, then use formatItem for backwards compatibility
      options.formatMatch = options.formatMatch || options.formatItem;

      return this.each(function()
      {
        new $.Autocompleter(this, options);
      });
    },
    result: function(handler)
    {
      return this.bind("result", handler);
    },
    search: function(handler)
    {
      return this.trigger("search", [handler]);
    },
    flushCache: function()
    {
      return this.trigger("flushCache");
    },
    setOptions: function(options)
    {
      return this.trigger("setOptions", [options]);
    },
    unautocomplete: function()
    {
      return this.trigger("unautocomplete");
    }
  });

  $.Autocompleter = function(input, options)
  {

    var KEY = {
      UP: 38,
      DOWN: 40,
      DEL: 46,
      TAB: 9,
      RETURN: 13,
      ESC: 27,
      COMMA: 188,
      PAGEUP: 33,
      PAGEDOWN: 34,
      BACKSPACE: 8
    };

    // Create $ object for input element
    var $input = $(input).attr("autocomplete", "off").addClass(options.inputClass);

    var timeout;
    var previousValue = null;
    var cache = $.Autocompleter.Cache(options);
    var hasFocus = 0;
    var lastKeyPressCode;
    var config = {
      mouseDownOnSelect: false
    };
    var select = $.Autocompleter.Select(options, input, selectCurrent, config);

    var blockSubmit;

    // prevent form submit in opera when selecting with return key
    $.browser.opera && $(input.form).bind("submit.autocomplete", function()
    {
      if (blockSubmit)
      {
        blockSubmit = false;
        return false;
      }
    });

    // only opera doesn't trigger keydown multiple times while pressed, others don't work with keypress at all
    $input.bind(($.browser.opera ? "keypress" : "keydown") + ".autocomplete", function(event)
    {
      // a keypress means the input has focus
      // avoids issue where input had focus before the autocomplete was applied
      hasFocus = 1;
      // track last key pressed
      lastKeyPressCode = event.keyCode;
      switch (event.keyCode)
      {

        case KEY.UP:
          event.preventDefault();
          if (select.visible())
          {
            select.prev();
          } else
          {
            onChange(0, true);
          }
          break;

        case KEY.DOWN:
          event.preventDefault();
          if (select.visible())
          {
            select.next();
          } else
          {
            onChange(0, true);
          }
          break;

        case KEY.PAGEUP:
          event.preventDefault();
          if (select.visible())
          {
            select.pageUp();
          } else
          {
            onChange(0, true);
          }
          break;

        case KEY.PAGEDOWN:
          event.preventDefault();
          if (select.visible())
          {
            select.pageDown();
          } else
          {
            onChange(0, true);
          }
          break;

        // matches also semicolon      
        case options.multiple && $.trim(options.multipleSeparator) == "," && KEY.COMMA:
        case KEY.TAB:
        case KEY.RETURN:
          if (selectCurrent())
          {
            // stop default to prevent a form submit, Opera needs special handling
            event.preventDefault();
            blockSubmit = true;
            return false;
          }
          break;

        case KEY.ESC:
          select.hide();
          break;

        default:
          clearTimeout(timeout);
          timeout = setTimeout(onChange, options.delay);
          break;
      }
    }).focus(function()
    {
      // track whether the field has focus, we shouldn't process any
      // results if the field no longer has focus
      hasFocus++;
      //onChange(0, true); 
    }).blur(function()
    {
      hasFocus = 0;
      if (!config.mouseDownOnSelect)
      {
        hideResults();
      }
    }).click(function()
    {
      // show select when clicking in a focused field
      if (hasFocus++ > 1 && !select.visible())
      {
        onChange(0, true);
      }
    }).bind("search", function()
    {
      // TODO why not just specifying both arguments?
      var fn = (arguments.length > 1) ? arguments[1] : null;
      function findValueCallback(q, data)
      {
        var result;
        if (data && data.length)
        {
          for (var i = 0; i < data.length; i++)
          {
            if (data[i].result.toLowerCase() == q.toLowerCase())
            {
              result = data[i];
              break;
            }
          }
        }
        if (typeof fn == "function") fn(result);
        else $input.trigger("result", result && [result.data, result.value]);
      }
      $.each(trimWords($input.val()), function(i, value)
      {
        request(value, findValueCallback, findValueCallback);
      });
    }).bind("flushCache", function()
    {
      cache.flush();
    }).bind("setOptions", function()
    {
      $.extend(options, arguments[1]);
      // if we've updated the data, repopulate
      if ("data" in arguments[1])
        cache.populate();
    }).bind("unautocomplete", function()
    {
      select.unbind();
      $input.unbind();
      $(input.form).unbind(".autocomplete");
    });


    function selectCurrent()
    {
      cache.populate();

      var selected = select.selected();
      if (!selected)
        return false;

      var v = selected.result;
      previousValue = v;

      if (options.multiple)
      {
        var words = trimWords($input.val());
        if (words.length > 1)
        {
          var seperator = options.multipleSeparator.length;
          var cursorAt = $(input).selection().start;
          var wordAt, progress = 0;
          $.each(words, function(i, word)
          {
            progress += word.length;
            if (cursorAt <= progress)
            {
              wordAt = i;
              return false;
            }
            progress += seperator;
          });
          words[wordAt] = v;
          // TODO this should set the cursor to the right position, but it gets overriden somewhere
          //$.Autocompleter.Selection(input, progress + seperator, progress + seperator);
          v = words.join(options.multipleSeparator);
        }
        v += options.multipleSeparator;
      }

      var isExpand = true;
      //patch DG
      if (!options.multiple)
      {
        var currentV = $input.val().toLowerCase();
        isExpand = v.toLowerCase().substr(0, currentV.length) === currentV;
      }

      if (isExpand)
      {
        $input.val(v);
        hideResultsNow();
      }

      $input.trigger("result", [selected.data, selected.value]);
      return true;
    }

    function onChange(crap, skipPrevCheck)
    {
      if (lastKeyPressCode == KEY.DEL)
      {
        select.hide();
        return;
      }

      var currentValue = $input.val();

      if (!skipPrevCheck && currentValue == previousValue)
        return;

      previousValue = currentValue;

      currentValue = lastWord(currentValue);
      if (currentValue.length >= options.minChars)
      {
        $input.addClass(options.loadingClass);
        if (!options.matchCase)
          currentValue = currentValue.toLowerCase();
        request(currentValue, receiveData, hideResultsNow);
      } else
      {
        stopLoading();
        select.hide();
      }
    };

    function trimWords(value)
    {
      if (!value)
        return [""];
      if (!options.multiple)
        return [$.trim(value)];
      return $.map(value.split(options.multipleSeparator), function(word)
      {
        return $.trim(value).length ? $.trim(word) : null;
      });
    }

    function lastWord(value)
    {
      if (!options.multiple)
        return value;
      var words = trimWords(value);
      if (words.length == 1)
        return words[0];
      var cursorAt = $(input).selection().start;
      if (cursorAt == value.length)
      {
        words = trimWords(value)
      } else
      {
        words = trimWords(value.replace(value.substring(cursorAt), ""));
      }
      return words[words.length - 1];
    }

    // fills in the input box w/the first match (assumed to be the best match)
    // q: the term entered
    // sValue: the first matching result
    function autoFill(q, sValue)
    {
      // autofill in the complete box w/the first match as long as the user hasn't entered in more data
      // if the last user key pressed was backspace, don't autofill
      if (options.autoFill && (lastWord($input.val()).toLowerCase() == q.toLowerCase()) && lastKeyPressCode != KEY.BACKSPACE)
      {
        var _previousValue = previousValue;
        if (_previousValue == null) _previousValue = "";
        // fill in the value (keep the case the user has typed)
        $input.val($input.val() + sValue.substring(lastWord(_previousValue).length));
        // select the portion of the value not typed by the user (so the next character will erase)
        $(input).selection(_previousValue.length, _previousValue.length + sValue.length);
      }
    };

    function hideResults()
    {
      clearTimeout(timeout);
      timeout = setTimeout(hideResultsNow, 200);
    };

    function hideResultsNow()
    {
      var wasVisible = select.visible();
      select.hide();
      clearTimeout(timeout);
      stopLoading();
      if (options.mustMatch)
      {
        // call search and run callback
        $input.search(
				function(result)
				{
				  // if no value found, clear the input box
				  if (!result)
				  {
				    if (options.multiple)
				    {
				      var words = trimWords($input.val()).slice(0, -1);
				      $input.val(words.join(options.multipleSeparator) + (words.length ? options.multipleSeparator : ""));
				    }
				    else
				    {
				      $input.val("");
				      $input.trigger("result", null);
				    }
				  }
				}
			);
      }
    };

    function receiveData(q, data)
    {
      if (data && data.length && hasFocus)
      {
        stopLoading();
        select.display(data, q);
        autoFill(q, data[0].value);
        select.show();
      } else
      {
        hideResultsNow();
      }
    };

    function request(term, success, failure)
    {
      if (!options.matchCase)
        term = term.toLowerCase();
      var data = cache.load(term);
      // recieve the cached data
      if (data && data.length)
      {
        success(term, data);
        // if an AJAX url has been supplied, try loading the data now
      } else if ((typeof options.url == "string") && (options.url.length > 0))
      {

        var extraParams = {
          timestamp: +new Date()
        };
        $.each(options.extraParams, function(key, param)
        {
          extraParams[key] = typeof param == "function" ? param() : param;
        });

        $.ajax({
          // try to leverage ajaxQueue plugin to abort previous requests
          mode: "abort",
          // limit abortion to this input
          port: "autocomplete" + input.name,
          dataType: options.dataType,
          url: options.url,
          data: $.extend({
            q: lastWord(term),
            limit: options.max
          }, extraParams),
          success: function(data)
          {
            var parsed = options.parse && options.parse(data) || parse(data);
            cache.add(term, parsed);
            success(term, parsed);
          }
        });
      } else
      {
        // if we have a failure, we need to empty the list -- this prevents the the [TAB] key from selecting the last successful match
        select.emptyList();
        failure(term);
      }
    };

    function parse(data)
    {
      var parsed = [];
      var rows = data.split("\n");
      for (var i = 0; i < rows.length; i++)
      {
        var row = $.trim(rows[i]);
        if (row)
        {
          row = row.split("|");
          parsed[parsed.length] = {
            data: row,
            value: row[0],
            result: options.formatResult && options.formatResult(row, row[0]) || row[0]
          };
        }
      }
      return parsed;
    };

    function stopLoading()
    {
      $input.removeClass(options.loadingClass);
    };

  };

  $.Autocompleter.defaults = {
    inputClass: "ac_input",
    resultsClass: "ac_results",
    loadingClass: "ac_loading",
    minChars: 1,
    delay: 400,
    matchCase: false,
    matchSubset: true,
    matchContains: false,
    cacheLength: 10,
    max: 100,
    mustMatch: false,
    extraParams: {},
    selectFirst: true,
    formatItem: function(row) { return row[0]; },
    formatMatch: null,
    autoFill: false,
    width: 0,
    multiple: false,
    multipleSeparator: ", ",
    highlight: function(value, term)
    {
      return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1") + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong>$1</strong>");
    },
    scroll: true,
    scrollHeight: 180
  };

  $.Autocompleter.Cache = function(options)
  {

    var data = {};
    var length = 0;

    function matchSubset(s, sub)
    {
      if (!options.matchCase)
        s = s.toLowerCase();
      var i = s.indexOf(sub);
      if (options.matchContains == "word")
      {
        i = s.toLowerCase().search("\\b" + sub.toLowerCase());
      }
      if (i == -1) return false;
      return i == 0 || options.matchContains;
    };

    function add(q, value)
    {
      if (length > options.cacheLength)
      {
        flush();
      }
      if (!data[q])
      {
        length++;
      }
      data[q] = value;
    }

    function populate()
    {
      if (!options.data) return false;
      // track the matches
      var stMatchSets = {},
			nullData = 0;

      // no url was specified, we need to adjust the cache length to make sure it fits the local data store
      if (!options.url) options.cacheLength = 1;

      // track all options for minChars = 0
      stMatchSets[""] = [];

      // loop through the array and create a lookup structure
      for (var i = 0, ol = options.data.length; i < ol; i++)
      {
        var rawValue = options.data[i];
        // if rawValue is a string, make an array otherwise just reference the array
        rawValue = (typeof rawValue == "string") ? [rawValue] : rawValue;

        var value = options.formatMatch(rawValue, i + 1, options.data.length);
        if (value === false)
          continue;

        var firstChar = value.charAt(0).toLowerCase();
        // if no lookup array for this character exists, look it up now
        if (!stMatchSets[firstChar])
          stMatchSets[firstChar] = [];

        // if the match is a string
        var row = {
          value: value,
          data: rawValue,
          result: options.formatResult && options.formatResult(rawValue) || value
        };

        // push the current match into the set list
        stMatchSets[firstChar].push(row);

        // keep track of minChars zero items
        if (nullData++ < options.max)
        {
          stMatchSets[""].push(row);
        }
      };

      // add the data items to the cache
      $.each(stMatchSets, function(i, value)
      {
        // increase the cache size
        options.cacheLength++;
        // add to the cache
        add(i, value);
      });
    }

    // populate any existing data
    setTimeout(populate, 25);

    function flush()
    {
      data = {};
      length = 0;
    }

    return {
      flush: flush,
      add: add,
      populate: populate,
      load: function(q)
      {
        if (!options.cacheLength || !length)
          return null;
        /* 
        * if dealing w/local data and matchContains than we must make sure
        * to loop through all the data collections looking for matches
        */
        if (!options.url && options.matchContains)
        {
          // track all matches
          var csub = [];
          // loop through all the data grids for matches
          for (var k in data)
          {
            // don't search through the stMatchSets[""] (minChars: 0) cache
            // this prevents duplicates
            if (k.length > 0)
            {
              var c = data[k];
              $.each(c, function(i, x)
              {
                // if we've got a match, add it to the array
                if (matchSubset(x.value, q))
                {
                  csub.push(x);
                }
              });
            }
          }
          return csub;
        } else
        // if the exact item exists, use it
          if (data[q])
        {
          return data[q];
        } else
          if (options.matchSubset)
        {
          for (var i = q.length - 1; i >= options.minChars; i--)
          {
            var c = data[q.substr(0, i)];
            if (c)
            {
              var csub = [];
              $.each(c, function(i, x)
              {
                if (matchSubset(x.value, q))
                {
                  csub[csub.length] = x;
                }
              });
              return csub;
            }
          }
        }
        return null;
      }
    };
  };

  $.Autocompleter.Select = function(options, input, select, config)
  {
    var CLASSES = {
      ACTIVE: "ac_over"
    };

    var listItems,
		active = -1,
		data,
		term = "",
		needsInit = true,
		element,
		list;

    // Create results
    function init()
    {
      if (!needsInit)
        return;
      element = $("<div/>")
		.hide()
		.addClass(options.resultsClass)
		.css("position", "absolute")
		.appendTo(document.body);

      list = $("<ul/>").appendTo(element).mouseover(function(event)
      {
        if (target(event).nodeName && target(event).nodeName.toUpperCase() == 'LI')
        {
          active = $("li", list).removeClass(CLASSES.ACTIVE).index(target(event));
          $(target(event)).addClass(CLASSES.ACTIVE);
        }
      }).click(function(event)
      {
        $(target(event)).addClass(CLASSES.ACTIVE);
        select();
        // TODO provide option to avoid setting focus again after selection? useful for cleanup-on-focus
        input.focus();
        return false;
      }).mousedown(function()
      {
        config.mouseDownOnSelect = true;
      }).mouseup(function()
      {
        config.mouseDownOnSelect = false;
      });

      if (options.width > 0)
        element.css("width", options.width);

      needsInit = false;
    }

    function target(event)
    {
      var element = event.target;
      while (element && element.tagName != "LI")
        element = element.parentNode;
      // more fun with IE, sometimes event.target is empty, just ignore it then
      if (!element)
        return [];
      return element;
    }

    function moveSelect(step)
    {
      listItems.slice(active, active + 1).removeClass(CLASSES.ACTIVE);
      movePosition(step);
      var activeItem = listItems.slice(active, active + 1).addClass(CLASSES.ACTIVE);
      if (options.scroll)
      {
        var offset = 0;
        listItems.slice(0, active).each(function()
        {
          offset += this.offsetHeight;
        });
        if ((offset + activeItem[0].offsetHeight - list.scrollTop()) > list[0].clientHeight)
        {
          list.scrollTop(offset + activeItem[0].offsetHeight - list.innerHeight());
        } else if (offset < list.scrollTop())
        {
          list.scrollTop(offset);
        }
      }
    };

    function movePosition(step)
    {
      active += step;
      if (active < 0)
      {
        active = listItems.size() - 1;
      } else if (active >= listItems.size())
      {
        active = 0;
      }
    }

    function limitNumberOfItems(available)
    {
      return options.max && options.max < available
			? options.max
			: available;
    }

    function fillList()
    {
      list.empty();
      var max = limitNumberOfItems(data.length);
      for (var i = 0; i < max; i++)
      {
        if (!data[i])
          continue;
        var formatted = options.formatItem(data[i].data, i + 1, max, data[i].value, term);
        if (formatted === false)
          continue;
        var li = $("<li/>").html(options.highlight(formatted, term)).addClass(i % 2 == 0 ? "ac_even" : "ac_odd").appendTo(list)[0];
        $.data(li, "ac_data", data[i]);
      }
      listItems = list.find("li");
      if (options.selectFirst)
      {
        listItems.slice(0, 1).addClass(CLASSES.ACTIVE);
        active = 0;
      }
      // apply bgiframe if available
      if ($.fn.bgiframe)
        list.bgiframe();
    }

    return {
      display: function(d, q)
      {
        init();
        data = d;
        term = q;
        fillList();
      },
      next: function()
      {
        moveSelect(1);
      },
      prev: function()
      {
        moveSelect(-1);
      },
      pageUp: function()
      {
        if (active != 0 && active - 8 < 0)
        {
          moveSelect(-active);
        } else
        {
          moveSelect(-8);
        }
      },
      pageDown: function()
      {
        if (active != listItems.size() - 1 && active + 8 > listItems.size())
        {
          moveSelect(listItems.size() - 1 - active);
        } else
        {
          moveSelect(8);
        }
      },
      hide: function()
      {
        element && element.hide();
        listItems && listItems.removeClass(CLASSES.ACTIVE);
        active = -1;
      },
      visible: function()
      {
        return element && element.is(":visible");
      },
      current: function()
      {
        return this.visible() && (listItems.filter("." + CLASSES.ACTIVE)[0] || options.selectFirst && listItems[0]);
      },
      show: function()
      {
        var offset = $(input).offset();
        element.css({
          width: typeof options.width == "string" || options.width > 0 ? options.width : $(input).width(),
          top: offset.top + input.offsetHeight,
          left: offset.left
        }).show();
        if (options.scroll)
        {
          list.scrollTop(0);
          list.css({
            maxHeight: options.scrollHeight,
            overflow: 'auto'
          });

          if ($.browser.msie && typeof document.body.style.maxHeight === "undefined")
          {
            var listHeight = 0;
            listItems.each(function()
            {
              listHeight += this.offsetHeight;
            });
            var scrollbarsVisible = listHeight > options.scrollHeight;
            list.css('height', scrollbarsVisible ? options.scrollHeight : listHeight);
            if (!scrollbarsVisible)
            {
              // IE doesn't recalculate width when scrollbar disappears
              listItems.width(list.width() - parseInt(listItems.css("padding-left")) - parseInt(listItems.css("padding-right")));
            }
          }

        }
      },
      selected: function()
      {
        var selected = listItems && listItems.filter("." + CLASSES.ACTIVE).removeClass(CLASSES.ACTIVE);
        return selected && selected.length && $.data(selected[0], "ac_data");
      },
      emptyList: function()
      {
        list && list.empty();
      },
      unbind: function()
      {
        element && element.remove();
      }
    };
  };

  $.fn.selection = function(start, end)
  {
    if (start !== undefined)
    {
      return this.each(function()
      {
        if (this.createTextRange)
        {
          var selRange = this.createTextRange();
          if (end === undefined || start == end)
          {
            selRange.move("character", start);
            selRange.select();
          } else
          {
            selRange.collapse(true);
            selRange.moveStart("character", start);
            selRange.moveEnd("character", end);
            selRange.select();
          }
        } else if (this.setSelectionRange)
        {
          this.setSelectionRange(start, end);
        } else if (this.selectionStart)
        {
          this.selectionStart = start;
          this.selectionEnd = end;
        }
      });
    }
    var field = this[0];
    if (field.createTextRange)
    {
      var range = document.selection.createRange(),
			orig = field.value,
			teststring = "<->",
			textLength = range.text.length;
      range.text = teststring;
      var caretAt = field.value.indexOf(teststring);
      field.value = orig;
      this.selection(caretAt, caretAt + textLength);
      return {
        start: caretAt,
        end: caretAt + textLength
      }
    } else if (field.selectionStart !== undefined)
    {
      return {
        start: field.selectionStart,
        end: field.selectionEnd
      }
    }
  };

})(jQuery);

/*fileuploader.js*/
/**
 * http://github.com/valums/file-uploader
 * 
 * Multiple file upload component with progress-bar, drag-and-drop. 
 * © 2010 Andrew Valums ( andrew(at)valums.com ) 
 * 
 * Licensed under GNU GPL 2 or later, see license.txt.
 */    

//
// Helper functions
//

var qq = qq || {};

/**
 * Adds all missing properties from second obj to first obj
 */ 
qq.extend = function(first, second){
    for (var prop in second){
        first[prop] = second[prop];
    }
};  

/**
 * Searches for a given element in the array, returns -1 if it is not present.
 * @param {Number} [from] The index at which to begin the search
 */
qq.indexOf = function(arr, elt, from){
    if (arr.indexOf) return arr.indexOf(elt, from);
    
    from = from || 0;
    var len = arr.length;    
    
    if (from < 0) from += len;  

    for (; from < len; from++){  
        if (from in arr && arr[from] === elt){  
            return from;
        }
    }  
    return -1;  
}; 
    
qq.getUniqueId = (function(){
    var id = 0;
    return function(){ return id++; };
})();

//
// Events

qq.attach = function(element, type, fn){
    if (element.addEventListener){
        element.addEventListener(type, fn, false);
    } else if (element.attachEvent){
        element.attachEvent('on' + type, fn);
    }
};
qq.detach = function(element, type, fn){
    if (element.removeEventListener){
        element.removeEventListener(type, fn, false);
    } else if (element.attachEvent){
        element.detachEvent('on' + type, fn);
    }
};

qq.preventDefault = function(e){
    if (e.preventDefault){
        e.preventDefault();
    } else{
        e.returnValue = false;
    }
};

//
// Node manipulations

/**
 * Insert node a before node b.
 */
qq.insertBefore = function(a, b){
    b.parentNode.insertBefore(a, b);
};
qq.remove = function(element){
    element.parentNode.removeChild(element);
};

qq.contains = function(parent, descendant){       
    // compareposition returns false in this case
    if (parent == descendant) return true;
    
    if (parent.contains){
        return parent.contains(descendant);
    } else {
        return !!(descendant.compareDocumentPosition(parent) & 8);
    }
};

/**
 * Creates and returns element from html string
 * Uses innerHTML to create an element
 */
qq.toElement = (function(){
    var div = document.createElement('div');
    return function(html){
        div.innerHTML = html;
        var element = div.firstChild;
        div.removeChild(element);
        return element;
    };
})();

//
// Node properties and attributes

/**
 * Sets styles for an element.
 * Fixes opacity in IE6-8.
 */
qq.css = function(element, styles){
    if (styles.opacity != null){
        if (typeof element.style.opacity != 'string' && typeof(element.filters) != 'undefined'){
            styles.filter = 'alpha(opacity=' + Math.round(100 * styles.opacity) + ')';
        }
    }
    qq.extend(element.style, styles);
};
qq.hasClass = function(element, name){
    var re = new RegExp('(^| )' + name + '( |$)');
    return re.test(element.className);
};
qq.addClass = function(element, name){
    if (!qq.hasClass(element, name)){
        element.className += ' ' + name;
    }
};
qq.removeClass = function(element, name){
    var re = new RegExp('(^| )' + name + '( |$)');
    element.className = element.className.replace(re, ' ').replace(/^\s+|\s+$/g, "");
};
qq.setText = function(element, text){
    element.innerText = text;
    element.textContent = text;
};

//
// Selecting elements

qq.children = function(element){
    var children = [],
    child = element.firstChild;

    while (child){
        if (child.nodeType == 1){
            children.push(child);
        }
        child = child.nextSibling;
    }

    return children;
};

qq.getByClass = function(element, className){
    if (element.querySelectorAll){
        return element.querySelectorAll('.' + className);
    }

    var result = [];
    var candidates = element.getElementsByTagName("*");
    var len = candidates.length;

    for (var i = 0; i < len; i++){
        if (qq.hasClass(candidates[i], className)){
            result.push(candidates[i]);
        }
    }
    return result;
};

/**
 * obj2url() takes a json-object as argument and generates
 * a querystring. pretty much like jQuery.param()
 * 
 * how to use:
 *
 *    `qq.obj2url({a:'b',c:'d'},'http://any.url/upload?otherParam=value');`
 *
 * will result in:
 *
 *    `http://any.url/upload?otherParam=value&a=b&c=d`
 *
 * @param  Object JSON-Object
 * @param  String current querystring-part
 * @return String encoded querystring
 */
qq.obj2url = function(obj, temp, prefixDone){
    var uristrings = [],
        prefix = '&',
        add = function(nextObj, i){
            var nextTemp = temp 
                ? (/\[\]$/.test(temp)) // prevent double-encoding
                   ? temp
                   : temp+'['+i+']'
                : i;
            if ((nextTemp != 'undefined') && (i != 'undefined')) {  
                uristrings.push(
                    (typeof nextObj === 'object') 
                        ? qq.obj2url(nextObj, nextTemp, true)
                        : (Object.prototype.toString.call(nextObj) === '[object Function]')
                            ? encodeURIComponent(nextTemp) + '=' + encodeURIComponent(nextObj())
                            : encodeURIComponent(nextTemp) + '=' + encodeURIComponent(nextObj)                                                          
                );
            }
        }; 

    if (!prefixDone && temp) {
      prefix = (/\?/.test(temp)) ? (/\?$/.test(temp)) ? '' : '&' : '?';
      uristrings.push(temp);
      uristrings.push(qq.obj2url(obj));
    } else if ((Object.prototype.toString.call(obj) === '[object Array]') && (typeof obj != 'undefined') ) {
        // we wont use a for-in-loop on an array (performance)
        for (var i = 0, len = obj.length; i < len; ++i){
            add(obj[i], i);
        }
    } else if ((typeof obj != 'undefined') && (obj !== null) && (typeof obj === "object")){
        // for anything else but a scalar, we will use for-in-loop
        for (var i in obj){
            add(obj[i], i);
        }
    } else {
        uristrings.push(encodeURIComponent(temp) + '=' + encodeURIComponent(obj));
    }

    return uristrings.join(prefix)
                     .replace(/^&/, '')
                     .replace(/%20/g, '+'); 
};

//
//
// Uploader Classes
//
//

var qq = qq || {};
    
/**
 * Creates upload button, validates upload, but doesn't create file list or dd. 
 */
qq.FileUploaderBasic = function(o){
    this._options = {
        // set to true to see the server response
        debug: false,
        action: '/server/upload',
        params: {},
        button: null,
        multiple: true,
        maxConnections: 3,
        // validation        
        allowedExtensions: [],               
        sizeLimit: 0,   
        minSizeLimit: 0,                             
        // events
        // return false to cancel submit
        onSubmit: function(id, fileName){},
        onProgress: function(id, fileName, loaded, total){},
        onComplete: function(id, fileName, responseJSON){},
        onCancel: function(id, fileName){},
        // messages                
        messages: {
            typeError: "{file} has invalid extension. Only {extensions} are allowed.",
            sizeError: "{file} is too large, maximum file size is {sizeLimit}.",
            minSizeError: "{file} is too small, minimum file size is {minSizeLimit}.",
            emptyError: "{file} is empty, please select files again without it.",
            onLeave: "The files are being uploaded, if you leave now the upload will be cancelled."            
        },
        showMessage: function(message){
            alert(message);
        }               
    };
    qq.extend(this._options, o);
        
    // number of files being uploaded
    this._filesInProgress = 0;
    this._handler = this._createUploadHandler(); 
    
    if (this._options.button){ 
        this._button = this._createUploadButton(this._options.button);
    }
                        
    this._preventLeaveInProgress();         
};
   
qq.FileUploaderBasic.prototype = {
    setParams: function(params){
        this._options.params = params;
    },
    getInProgress: function(){
        return this._filesInProgress;         
    },
    _createUploadButton: function(element){
        var self = this;
        
        return new qq.UploadButton({
            element: element,
            multiple: this._options.multiple && qq.UploadHandlerXhr.isSupported(),
            onChange: function(input){
                self._onInputChange(input);
            }        
        });           
    },    
    _createUploadHandler: function(){
        var self = this,
            handlerClass;        
        
        if(qq.UploadHandlerXhr.isSupported()){           
            handlerClass = 'UploadHandlerXhr';                        
        } else {
            handlerClass = 'UploadHandlerForm';
        }

        var handler = new qq[handlerClass]({
            debug: this._options.debug,
            action: this._options.action,         
            maxConnections: this._options.maxConnections,   
            onProgress: function(id, fileName, loaded, total){                
                self._onProgress(id, fileName, loaded, total);
                self._options.onProgress(id, fileName, loaded, total);                    
            },            
            onComplete: function(id, fileName, result){
                self._onComplete(id, fileName, result);
                self._options.onComplete(id, fileName, result);
            },
            onCancel: function(id, fileName){
                self._onCancel(id, fileName);
                self._options.onCancel(id, fileName);
            }
        });

        return handler;
    },    
    _preventLeaveInProgress: function(){
        var self = this;
        
        qq.attach(window, 'beforeunload', function(e){
            if (!self._filesInProgress){return;}
            
            var e = e || window.event;
            // for ie, ff
            e.returnValue = self._options.messages.onLeave;
            // for webkit
            return self._options.messages.onLeave;             
        });        
    },    
    _onSubmit: function(id, fileName){
        this._filesInProgress++;  
    },
    _onProgress: function(id, fileName, loaded, total){        
    },
    _onComplete: function(id, fileName, result){
        this._filesInProgress--;                 
        if (result.error){
            this._options.showMessage(result.error);
        }             
    },
    _onCancel: function(id, fileName){
        this._filesInProgress--;        
    },
    _onInputChange: function(input){
        if (this._handler instanceof qq.UploadHandlerXhr){                
            this._uploadFileList(input.files);                   
        } else {             
            if (this._validateFile(input)){                
                this._uploadFile(input);                                    
            }                      
        }               
        this._button.reset();   
    },  
    _uploadFileList: function(files){
        for (var i=0; i<files.length; i++){
            if ( !this._validateFile(files[i])){
                return;
            }            
        }
        
        for (var i=0; i<files.length; i++){
            this._uploadFile(files[i]);        
        }        
    },       
    _uploadFile: function(fileContainer){      
        var id = this._handler.add(fileContainer);
        var fileName = this._handler.getName(id);
        
        if (this._options.onSubmit(id, fileName) !== false){
            this._onSubmit(id, fileName);
            this._handler.upload(id, this._options.params);
        }
    },      
    _validateFile: function(file){
        var name, size;
        
        if (file.value){
            // it is a file input            
            // get input value and remove path to normalize
            name = file.value.replace(/.*(\/|\\)/, "");
        } else {
            // fix missing properties in Safari
            name = file.fileName != null ? file.fileName : file.name;
            size = file.fileSize != null ? file.fileSize : file.size;
        }
                    
        if (! this._isAllowedExtension(name)){            
            this._error('typeError', name);
            return false;
            
        } else if (size === 0){            
            this._error('emptyError', name);
            return false;
                                                     
        } else if (size && this._options.sizeLimit && size > this._options.sizeLimit){            
            this._error('sizeError', name);
            return false;
                        
        } else if (size && size < this._options.minSizeLimit){
            this._error('minSizeError', name);
            return false;            
        }
        
        return true;                
    },
    _error: function(code, fileName){
        var message = this._options.messages[code];        
        function r(name, replacement){ message = message.replace(name, replacement); }
        
        r('{file}', this._formatFileName(fileName));        
        r('{extensions}', this._options.allowedExtensions.join(', '));
        r('{sizeLimit}', this._formatSize(this._options.sizeLimit));
        r('{minSizeLimit}', this._formatSize(this._options.minSizeLimit));
        
        this._options.showMessage(message);                
    },
    _formatFileName: function(name){
        if (name.length > 33){
            name = name.slice(0, 19) + '...' + name.slice(-13);    
        }
        return name;
    },
    _isAllowedExtension: function(fileName){
        var ext = (-1 !== fileName.indexOf('.')) ? fileName.replace(/.*[.]/, '').toLowerCase() : '';
        var allowed = this._options.allowedExtensions;
        
        if (!allowed.length){return true;}        
        
        for (var i=0; i<allowed.length; i++){
            if (allowed[i].toLowerCase() == ext){ return true;}    
        }
        
        return false;
    },    
    _formatSize: function(bytes){
        var i = -1;                                    
        do {
            bytes = bytes / 1024;
            i++;  
        } while (bytes > 99);
        
        return Math.max(bytes, 0.1).toFixed(1) + ['kB', 'MB', 'GB', 'TB', 'PB', 'EB'][i];          
    }
};
    
       
/**
 * Class that creates upload widget with drag-and-drop and file list
 * @inherits qq.FileUploaderBasic
 */
qq.FileUploader = function(o){
    // call parent constructor
    qq.FileUploaderBasic.apply(this, arguments);
    
    // additional options    
    qq.extend(this._options, {
        element: null,
        // if set, will be used instead of qq-upload-list in template
        listElement: null,
                
        template: '<div class="qq-uploader">' + 
                '<div class="qq-upload-drop-area"><span>Перетащите файлы сюда для загрузки</span></div>' +
                '<div class="qq-upload-button ui-state-default">Загрузить файл</div>' +
                '<ul class="qq-upload-list"></ul>' + 
             '</div>',

        // template for one item in file list
        fileTemplate: '<li>' +
                '<span class="qq-upload-file"></span>' +
                '<span class="qq-upload-spinner"></span>' +
                '<span class="qq-upload-size"></span>' +
                '<a class="qq-upload-cancel" href="#">Отменить</a>' +
                '<span class="qq-upload-failed-text">Ошибка</span>' +
            '</li>',        
        
        classes: {
            // used to get elements from templates
            button: 'qq-upload-button',
            drop: 'qq-upload-drop-area',
            dropActive: 'qq-upload-drop-area-active',
            list: 'qq-upload-list',
                        
            file: 'qq-upload-file',
            spinner: 'qq-upload-spinner',
            size: 'qq-upload-size',
            cancel: 'qq-upload-cancel',

            // added to list item when upload completes
            // used in css to hide progress spinner
            success: 'qq-upload-success',
            fail: 'qq-upload-fail'
        }
    });
    // overwrite options with user supplied    
    qq.extend(this._options, o);       

    this._element = this._options.element;
    this._element.innerHTML = this._options.template;        
    this._listElement = this._options.listElement || this._find(this._element, 'list');
    
    this._classes = this._options.classes;
        
    this._button = this._createUploadButton(this._find(this._element, 'button'));        
    
    this._bindCancelEvent();
    this._setupDragDrop();
};

// inherit from Basic Uploader
qq.extend(qq.FileUploader.prototype, qq.FileUploaderBasic.prototype);

qq.extend(qq.FileUploader.prototype, {
    /**
     * Gets one of the elements listed in this._options.classes
     **/
    _find: function(parent, type){                                
        var element = qq.getByClass(parent, this._options.classes[type])[0];        
        if (!element){
            throw new Error('element not found ' + type);
        }
        
        return element;
    },
    _setupDragDrop: function(){
        var self = this,
            dropArea = this._find(this._element, 'drop');                        

        var dz = new qq.UploadDropZone({
            element: dropArea,
            onEnter: function(e){
                qq.addClass(dropArea, self._classes.dropActive);
                e.stopPropagation();
            },
            onLeave: function(e){
                e.stopPropagation();
            },
            onLeaveNotDescendants: function(e){
                qq.removeClass(dropArea, self._classes.dropActive);  
            },
            onDrop: function(e){
                dropArea.style.display = 'none';
                qq.removeClass(dropArea, self._classes.dropActive);
                self._uploadFileList(e.dataTransfer.files);    
            }
        });
                
        dropArea.style.display = 'none';

        qq.attach(document, 'dragenter', function(e){     
            if (!dz._isValidFileDrag(e)) return; 
            
            dropArea.style.display = 'block';            
        });                 
        qq.attach(document, 'dragleave', function(e){
            if (!dz._isValidFileDrag(e)) return;            
            
            var relatedTarget = document.elementFromPoint(e.clientX, e.clientY);
            // only fire when leaving document out
            if ( ! relatedTarget || relatedTarget.nodeName == "HTML"){               
                dropArea.style.display = 'none';                                            
            }
        });                
    },
    _onSubmit: function(id, fileName){
        qq.FileUploaderBasic.prototype._onSubmit.apply(this, arguments);
        this._addToList(id, fileName);  
    },
    _onProgress: function(id, fileName, loaded, total){
        qq.FileUploaderBasic.prototype._onProgress.apply(this, arguments);

        var item = this._getItemByFileId(id);
        var size = this._find(item, 'size');
        size.style.display = 'inline';
        
        var text; 
        if (loaded != total){
            text = Math.round(loaded / total * 100) + '% from ' + this._formatSize(total);
        } else {                                   
            text = this._formatSize(total);
        }          
        
        qq.setText(size, text);         
    },
    _onComplete: function(id, fileName, result){
        qq.FileUploaderBasic.prototype._onComplete.apply(this, arguments);

        // mark completed
        var item = this._getItemByFileId(id);                
        qq.remove(this._find(item, 'cancel'));
        qq.remove(this._find(item, 'spinner'));
        
        if (result.success){
            qq.addClass(item, this._classes.success);    
        } else {
            qq.addClass(item, this._classes.fail);
        }         
    },
    _addToList: function(id, fileName){
        var item = qq.toElement(this._options.fileTemplate);                
        item.qqFileId = id;

        var fileElement = this._find(item, 'file');        
        qq.setText(fileElement, this._formatFileName(fileName));
        this._find(item, 'size').style.display = 'none';        

        this._listElement.appendChild(item);
    },
    _getItemByFileId: function(id){
        var item = this._listElement.firstChild;        
        
        // there can't be txt nodes in dynamically created list
        // and we can  use nextSibling
        while (item){            
            if (item.qqFileId == id) return item;            
            item = item.nextSibling;
        }          
    },
    /**
     * delegate click event for cancel link 
     **/
    _bindCancelEvent: function(){
        var self = this,
            list = this._listElement;            
        
        qq.attach(list, 'click', function(e){            
            e = e || window.event;
            var target = e.target || e.srcElement;
            
            if (qq.hasClass(target, self._classes.cancel)){                
                qq.preventDefault(e);
               
                var item = target.parentNode;
                self._handler.cancel(item.qqFileId);
                qq.remove(item);
            }
        });
    }    
});
    
qq.UploadDropZone = function(o){
    this._options = {
        element: null,  
        onEnter: function(e){},
        onLeave: function(e){},  
        // is not fired when leaving element by hovering descendants   
        onLeaveNotDescendants: function(e){},   
        onDrop: function(e){}                       
    };
    qq.extend(this._options, o); 
    
    this._element = this._options.element;
    
    this._disableDropOutside();
    this._attachEvents();   
};

qq.UploadDropZone.prototype = {
    _disableDropOutside: function(e){
        // run only once for all instances
        if (!qq.UploadDropZone.dropOutsideDisabled ){

            qq.attach(document, 'dragover', function(e){
                if (e.dataTransfer){
                    e.dataTransfer.dropEffect = 'none';
                    e.preventDefault(); 
                }           
            });
            
            qq.UploadDropZone.dropOutsideDisabled = true; 
        }        
    },
    _attachEvents: function(){
        var self = this;              
                  
        qq.attach(self._element, 'dragover', function(e){
            if (!self._isValidFileDrag(e)) return;
            
            var effect = e.dataTransfer.effectAllowed;
            if (effect == 'move' || effect == 'linkMove'){
                e.dataTransfer.dropEffect = 'move'; // for FF (only move allowed)    
            } else {                    
                e.dataTransfer.dropEffect = 'copy'; // for Chrome
            }
                                                     
            e.stopPropagation();
            e.preventDefault();                                                                    
        });
        
        qq.attach(self._element, 'dragenter', function(e){
            if (!self._isValidFileDrag(e)) return;
                        
            self._options.onEnter(e);
        });
        
        qq.attach(self._element, 'dragleave', function(e){
            if (!self._isValidFileDrag(e)) return;
            
            self._options.onLeave(e);
            
            var relatedTarget = document.elementFromPoint(e.clientX, e.clientY);                      
            // do not fire when moving a mouse over a descendant
            if (qq.contains(this, relatedTarget)) return;
                        
            self._options.onLeaveNotDescendants(e); 
        });
                
        qq.attach(self._element, 'drop', function(e){
            if (!self._isValidFileDrag(e)) return;
            
            e.preventDefault();
            self._options.onDrop(e);
        });          
    },
    _isValidFileDrag: function(e){
        var dt = e.dataTransfer,
            // do not check dt.types.contains in webkit, because it crashes safari 4            
            isWebkit = navigator.userAgent.indexOf("AppleWebKit") > -1;                        

        // dt.effectAllowed is none in Safari 5
        // dt.types.contains check is for firefox            
        return dt && dt.effectAllowed != 'none' && 
            (dt.files || (!isWebkit && dt.types.contains && dt.types.contains('Files')));
        
    }        
}; 

qq.UploadButton = function(o){
    this._options = {
        element: null,  
        // if set to true adds multiple attribute to file input      
        multiple: false,
        // name attribute of file input
        name: 'file',
        onChange: function(input){},
        //hoverClass: 'qq-upload-button-hover',
        hoverClass: 'ui-state-hover',
        //focusClass: 'qq-upload-button-focus'                       
        focusClass: 'ui-state-focus'                       
    };
    
    qq.extend(this._options, o);
        
    this._element = this._options.element;
    
    // make button suitable container for input
    qq.css(this._element, {
        position: 'relative',
        overflow: 'hidden',
        // Make sure browse button is in the right side
        // in Internet Explorer
        direction: 'ltr'
    });   
    
    this._input = this._createInput();
};

qq.UploadButton.prototype = {
    /* returns file input element */    
    getInput: function(){
        return this._input;
    },
    /* cleans/recreates the file input */
    reset: function(){
        if (this._input.parentNode){
            qq.remove(this._input);    
        }                
        
        qq.removeClass(this._element, this._options.focusClass);
        this._input = this._createInput();
    },    
    _createInput: function(){                
        var input = document.createElement("input");
        
        if (this._options.multiple){
            input.setAttribute("multiple", "multiple");
        }
                
        input.setAttribute("type", "file");
        input.setAttribute("name", this._options.name);
        
        qq.css(input, {
            position: 'absolute',
            // in Opera only 'browse' button
            // is clickable and it is located at
            // the right side of the input
            right: 0,
            top: 0,
            fontFamily: 'Arial',
            // 4 persons reported this, the max values that worked for them were 243, 236, 236, 118
            fontSize: '118px',
            margin: 0,
            padding: 0,
            cursor: 'pointer',
            opacity: 0
        });
        
        this._element.appendChild(input);

        var self = this;
        qq.attach(input, 'change', function(){
            self._options.onChange(input);
        });
                
        qq.attach(input, 'mouseover', function(){
            qq.addClass(self._element, self._options.hoverClass);
        });
        qq.attach(input, 'mouseout', function(){
            qq.removeClass(self._element, self._options.hoverClass);
        });
        qq.attach(input, 'focus', function(){
            qq.addClass(self._element, self._options.focusClass);
        });
        qq.attach(input, 'blur', function(){
            qq.removeClass(self._element, self._options.focusClass);
        });

        // IE and Opera, unfortunately have 2 tab stops on file input
        // which is unacceptable in our case, disable keyboard access
        if (window.attachEvent){
            // it is IE or Opera
            input.setAttribute('tabIndex', "-1");
        }

        return input;            
    }        
};

/**
 * Class for uploading files, uploading itself is handled by child classes
 */
qq.UploadHandlerAbstract = function(o){
    this._options = {
        debug: false,
        action: '/upload.php',
        // maximum number of concurrent uploads        
        maxConnections: 999,
        onProgress: function(id, fileName, loaded, total){},
        onComplete: function(id, fileName, response){},
        onCancel: function(id, fileName){}
    };
    qq.extend(this._options, o);    
    
    this._queue = [];
    // params for files in queue
    this._params = [];
};
qq.UploadHandlerAbstract.prototype = {
    log: function(str){
        if (this._options.debug && window.console) console.log('[uploader] ' + str);        
    },
    /**
     * Adds file or file input to the queue
     * @returns id
     **/    
    add: function(file){},
    /**
     * Sends the file identified by id and additional query params to the server
     */
    upload: function(id, params){
        var len = this._queue.push(id);

        var copy = {};        
        qq.extend(copy, params);
        this._params[id] = copy;        
                
        // if too many active uploads, wait...
        if (len <= this._options.maxConnections){               
            this._upload(id, this._params[id]);
        }
    },
    /**
     * Cancels file upload by id
     */
    cancel: function(id){
        this._cancel(id);
        this._dequeue(id);
    },
    /**
     * Cancells all uploads
     */
    cancelAll: function(){
        for (var i=0; i<this._queue.length; i++){
            this._cancel(this._queue[i]);
        }
        this._queue = [];
    },
    /**
     * Returns name of the file identified by id
     */
    getName: function(id){},
    /**
     * Returns size of the file identified by id
     */          
    getSize: function(id){},
    /**
     * Returns id of files being uploaded or
     * waiting for their turn
     */
    getQueue: function(){
        return this._queue;
    },
    /**
     * Actual upload method
     */
    _upload: function(id){},
    /**
     * Actual cancel method
     */
    _cancel: function(id){},     
    /**
     * Removes element from queue, starts upload of next
     */
    _dequeue: function(id){
        var i = qq.indexOf(this._queue, id);
        this._queue.splice(i, 1);
                
        var max = this._options.maxConnections;
        
        if (this._queue.length >= max){
            var nextId = this._queue[max-1];
            this._upload(nextId, this._params[nextId]);
        }
    }        
};

/**
 * Class for uploading files using form and iframe
 * @inherits qq.UploadHandlerAbstract
 */
qq.UploadHandlerForm = function(o){
    qq.UploadHandlerAbstract.apply(this, arguments);
       
    this._inputs = {};
};
// @inherits qq.UploadHandlerAbstract
qq.extend(qq.UploadHandlerForm.prototype, qq.UploadHandlerAbstract.prototype);

qq.extend(qq.UploadHandlerForm.prototype, {
    add: function(fileInput){
        fileInput.setAttribute('name', 'qqfile');
        var id = 'qq-upload-handler-iframe' + qq.getUniqueId();       
        
        this._inputs[id] = fileInput;
        
        // remove file input from DOM
        if (fileInput.parentNode){
            qq.remove(fileInput);
        }
                
        return id;
    },
    getName: function(id){
        // get input value and remove path to normalize
        return this._inputs[id].value.replace(/.*(\/|\\)/, "");
    },    
    _cancel: function(id){
        this._options.onCancel(id, this.getName(id));
        
        delete this._inputs[id];        

        var iframe = document.getElementById(id);
        if (iframe){
            // to cancel request set src to something else
            // we use src="javascript:false;" because it doesn't
            // trigger ie6 prompt on https
            iframe.setAttribute('src', 'javascript:false;');

            qq.remove(iframe);
        }
    },     
    _upload: function(id, params){                        
        var input = this._inputs[id];
        
        if (!input){
            throw new Error('file with passed id was not added, or already uploaded or cancelled');
        }                

        var fileName = this.getName(id);
                
        var iframe = this._createIframe(id);
        var form = this._createForm(iframe, params);
        form.appendChild(input);

        var self = this;
        this._attachLoadEvent(iframe, function(){                                 
            self.log('iframe loaded');
            
            var response = self._getIframeContentJSON(iframe);

            self._options.onComplete(id, fileName, response);
            self._dequeue(id);
            
            delete self._inputs[id];
            // timeout added to fix busy state in FF3.6
            setTimeout(function(){
                qq.remove(iframe);
            }, 1);
        });

        form.submit();        
        qq.remove(form);        
        
        return id;
    }, 
    _attachLoadEvent: function(iframe, callback){
        qq.attach(iframe, 'load', function(){
            // when we remove iframe from dom
            // the request stops, but in IE load
            // event fires
            if (!iframe.parentNode){
                return;
            }

            // fixing Opera 10.53
            if (iframe.contentDocument &&
                iframe.contentDocument.body &&
                iframe.contentDocument.body.innerHTML == "false"){
                // In Opera event is fired second time
                // when body.innerHTML changed from false
                // to server response approx. after 1 sec
                // when we upload file with iframe
                return;
            }

            callback();
        });
    },
    /**
     * Returns json object received by iframe from server.
     */
    _getIframeContentJSON: function(iframe){
        // iframe.contentWindow.document - for IE<7
        var doc = iframe.contentDocument ? iframe.contentDocument: iframe.contentWindow.document,
            response;
        
        this.log("converting iframe's innerHTML to JSON");
        this.log("innerHTML = " + doc.body.innerHTML);
                        
        try {
            response = eval("(" + doc.body.innerHTML + ")");
        } catch(err){
            response = {};
        }        

        return response;
    },
    /**
     * Creates iframe with unique name
     */
    _createIframe: function(id){
        // We can't use following code as the name attribute
        // won't be properly registered in IE6, and new window
        // on form submit will open
        // var iframe = document.createElement('iframe');
        // iframe.setAttribute('name', id);

        var iframe = qq.toElement('<iframe src="javascript:false;" name="' + id + '" />');
        // src="javascript:false;" removes ie6 prompt on https

        iframe.setAttribute('id', id);

        iframe.style.display = 'none';
        document.body.appendChild(iframe);

        return iframe;
    },
    /**
     * Creates form, that will be submitted to iframe
     */
    _createForm: function(iframe, params){
        // We can't use the following code in IE6
        // var form = document.createElement('form');
        // form.setAttribute('method', 'post');
        // form.setAttribute('enctype', 'multipart/form-data');
        // Because in this case file won't be attached to request
        var form = qq.toElement('<form method="post" enctype="multipart/form-data"></form>');

        var queryString = qq.obj2url(params, this._options.action);

        form.setAttribute('action', queryString);
        form.setAttribute('target', iframe.name);
        form.style.display = 'none';
        document.body.appendChild(form);

        return form;
    }
});

/**
 * Class for uploading files using xhr
 * @inherits qq.UploadHandlerAbstract
 */
qq.UploadHandlerXhr = function(o){
    qq.UploadHandlerAbstract.apply(this, arguments);

    this._files = [];
    this._xhrs = [];
    
    // current loaded size in bytes for each file 
    this._loaded = [];
};

// static method
qq.UploadHandlerXhr.isSupported = function(){
    var input = document.createElement('input');
    input.type = 'file';        
    
    return (
        'multiple' in input &&
        typeof File != "undefined" &&
        typeof (new XMLHttpRequest()).upload != "undefined" );       
};

// @inherits qq.UploadHandlerAbstract
qq.extend(qq.UploadHandlerXhr.prototype, qq.UploadHandlerAbstract.prototype)

qq.extend(qq.UploadHandlerXhr.prototype, {
    /**
     * Adds file to the queue
     * Returns id to use with upload, cancel
     **/    
    add: function(file){
        if (!(file instanceof File)){
            throw new Error('Passed obj in not a File (in qq.UploadHandlerXhr)');
        }
                
        return this._files.push(file) - 1;        
    },
    getName: function(id){        
        var file = this._files[id];
        // fix missing name in Safari 4
        return file.fileName != null ? file.fileName : file.name;       
    },
    getSize: function(id){
        var file = this._files[id];
        return file.fileSize != null ? file.fileSize : file.size;
    },    
    /**
     * Returns uploaded bytes for file identified by id 
     */    
    getLoaded: function(id){
        return this._loaded[id] || 0; 
    },
    /**
     * Sends the file identified by id and additional query params to the server
     * @param {Object} params name-value string pairs
     */    
    _upload: function(id, params){
        var file = this._files[id],
            name = this.getName(id),
            size = this.getSize(id);
                
        this._loaded[id] = 0;
                                
        var xhr = this._xhrs[id] = new XMLHttpRequest();
        var self = this;
                                        
        xhr.upload.onprogress = function(e){
            if (e.lengthComputable){
                self._loaded[id] = e.loaded;
                self._options.onProgress(id, name, e.loaded, e.total);
            }
        };

        xhr.onreadystatechange = function(){            
            if (xhr.readyState == 4){
                self._onComplete(id, xhr);                    
            }
        };

        // build query string
        params = params || {};
        params['qqfile'] = name;
        var queryString = qq.obj2url(params, this._options.action);

        xhr.open("POST", queryString, true);
        xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
        xhr.setRequestHeader("X-File-Name", encodeURIComponent(name));
        xhr.setRequestHeader("Content-Type", "application/octet-stream");
        xhr.send(file);
    },
    _onComplete: function(id, xhr){
        // the request was aborted/cancelled
        if (!this._files[id]) return;
        
        var name = this.getName(id);
        var size = this.getSize(id);
        
        this._options.onProgress(id, name, size, size);
                
        if (xhr.status == 200){
            this.log("xhr - server response received");
            this.log("responseText = " + xhr.responseText);
                        
            var response;
                    
            try {
                response = eval("(" + xhr.responseText + ")");
            } catch(err){
                response = {};
            }
            
            this._options.onComplete(id, name, response);
                        
        } else {                   
            this._options.onComplete(id, name, {});
        }
                
        this._files[id] = null;
        this._xhrs[id] = null;    
        this._dequeue(id);                    
    },
    _cancel: function(id){
        this._options.onCancel(id, this.getName(id));
        
        this._files[id] = null;
        
        if (this._xhrs[id]){
            this._xhrs[id].abort();
            this._xhrs[id] = null;                                   
        }
    }
});

/*kinfo.message.js*/


function Messages_ExpandOrHideMessage(button) {
  var messageCell = $("td:eq(0)", $(button.parentNode.parentNode).next()).get(0);

  if ($(button).hasClass('ui-icon-arrowthick-1-e')) {
    Messages_ExpandMessage2(messageCell);
  }
  else {
    $(messageCell).html("");
    $(button).removeClass('ui-icon-arrowthick-1-s').addClass('ui-icon-arrowthick-1-e');
  }
}
function Messages_ExpandMessage2(messageCell) {
  var cell = messageCell;
  var headerTr = $(cell.parentNode).prev();
  var msgid = $("td:eq(1) input[name='msgid']", headerTr).val();

  $.get("/Forum/Message/" + msgid, function (html) {
    $(cell).html(html);
    $("td:eq(1) .ui-icon-bullet", headerTr).fadeOut(512);
    $("td:eq(0) .ui-icon-arrowthick-1-e", headerTr)
         .removeClass('ui-icon-arrowthick-1-e').addClass('ui-icon-arrowthick-1-s')
  });
}


$(function()
{
  $('.msg-spoiler .msg-body').css('display', 'none');
  $('.msg-spoiler .msg-header').each(function()
  {
    this.innerHTML = '<span style="float: left" class="ui-icon ui-icon-triangle-1-e"></span>' + this.innerHTML;
  });
  $('.msg-spoiler .msg-header').addClass('ui-forum-header');

  // В том числе выполнить навешивание обработчика:

  $('.msg-spoiler .msg-header').click(function()
  {
    if (this.parentNode.lastElementChild.style.display == 'none')
    {
      this.firstElementChild.className = 'ui-icon ui-icon-triangle-1-s';
      $(this.parentNode.lastElementChild).show(512);
    } else
    {
      this.firstElementChild.className = 'ui-icon ui-icon-triangle-1-e';
      $(this.parentNode.lastElementChild).hide(512);
    }
  });

  $(".k-forum-linemessages .expand-message").addClass('k-ui-button')
     .click(function()
     {
       Messages_ExpandMessage2(this.parentNode);
     });
  $(".k-forum-linemessages .ui-icon-arrowthick-1-e").addClass('k-ui-button')
      .click(function() { Messages_ExpandOrHideMessage(this); });  
});


/*kinfo.js*/

      $(function () {
        var first_word = $('#Site-Title span:eq(0)').text();
        $('#Site-Title span:eq(0)').html('<b>'+first_word.substr(0,1)+'</b>'+first_word.substr(1));
        var second_word = $('#Site-Title span:eq(1)').text();
        $('#Site-Title span:eq(1)').html('<b>' + second_word.substr(0, 4) + '</b>' + second_word.substr(4));
      });