/*!
 * jQuery UI 1.8.23
 *
 * Copyright 2012, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI
 */
(function ($, undefined) {

// prevent duplicate loading
// this is only a problem because we proxy existing functions
// and we don't want to double proxy them
    $.ui = $.ui || {};
    if ($.ui.version) {
        return;
    }

    $.extend($.ui, {
        version: "1.8.23",

        keyCode: {
            ALT: 18,
            BACKSPACE: 8,
            CAPS_LOCK: 20,
            COMMA: 188,
            COMMAND: 91,
            COMMAND_LEFT: 91, // COMMAND
            COMMAND_RIGHT: 93,
            CONTROL: 17,
            DELETE: 46,
            DOWN: 40,
            END: 35,
            ENTER: 13,
            ESCAPE: 27,
            HOME: 36,
            INSERT: 45,
            LEFT: 37,
            MENU: 93, // COMMAND_RIGHT
            NUMPAD_ADD: 107,
            NUMPAD_DECIMAL: 110,
            NUMPAD_DIVIDE: 111,
            NUMPAD_ENTER: 108,
            NUMPAD_MULTIPLY: 106,
            NUMPAD_SUBTRACT: 109,
            PAGE_DOWN: 34,
            PAGE_UP: 33,
            PERIOD: 190,
            RIGHT: 39,
            SHIFT: 16,
            SPACE: 32,
            TAB: 9,
            UP: 38,
            WINDOWS: 91 // COMMAND
        }
    });

// plugins
    $.fn.extend({
        propAttr: $.fn.prop || $.fn.attr,

        _focus: $.fn.focus,
        focus: function (delay, fn) {
            return typeof delay === "number" ?
                this.each(function () {
                    var elem = this;
                    setTimeout(function () {
                        $(elem).focus();
                        if (fn) {
                            fn.call(elem);
                        }
                    }, delay);
                }) :
                this._focus.apply(this, arguments);
        },

        scrollParent: function () {
            var scrollParent;
            if (($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {
                scrollParent = this.parents().filter(function () {
                    return (/(relative|absolute|fixed)/).test($.curCSS(this, 'position', 1)) && (/(auto|scroll)/).test($.curCSS(this, 'overflow', 1) + $.curCSS(this, 'overflow-y', 1) + $.curCSS(this, 'overflow-x', 1));
                }).eq(0);
            } else {
                scrollParent = this.parents().filter(function () {
                    return (/(auto|scroll)/).test($.curCSS(this, 'overflow', 1) + $.curCSS(this, 'overflow-y', 1) + $.curCSS(this, 'overflow-x', 1));
                }).eq(0);
            }

            return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;
        },

        zIndex: function (zIndex) {
            if (zIndex !== undefined) {
                return this.css("zIndex", zIndex);
            }

            if (this.length) {
                var elem = $(this[0]), position, value;
                while (elem.length && elem[0] !== document) {
                    // Ignore z-index if position is set to a value where z-index is ignored by the browser
                    // This makes behavior of this function consistent across browsers
                    // WebKit always returns auto if the element is positioned
                    position = elem.css("position");
                    if (position === "absolute" || position === "relative" || position === "fixed") {
                        // IE returns 0 when zIndex is not specified
                        // other browsers return a string
                        // we ignore the case of nested elements with an explicit value of 0
                        // <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
                        value = parseInt(elem.css("zIndex"), 10);
                        if (!isNaN(value) && value !== 0) {
                            return value;
                        }
                    }
                    elem = elem.parent();
                }
            }

            return 0;
        },

        disableSelection: function () {
            return this.bind(( $.support.selectstart ? "selectstart" : "mousedown" ) +
                ".ui-disableSelection", function (event) {
                event.preventDefault();
            });
        },

        enableSelection: function () {
            return this.unbind(".ui-disableSelection");
        }
    });

// support: jQuery <1.8
    if (!$("<a>").outerWidth(1).jquery) {
        $.each(["Width", "Height"], function (i, name) {
            var side = name === "Width" ? ["Left", "Right"] : ["Top", "Bottom"],
                type = name.toLowerCase(),
                orig = {
                    innerWidth: $.fn.innerWidth,
                    innerHeight: $.fn.innerHeight,
                    outerWidth: $.fn.outerWidth,
                    outerHeight: $.fn.outerHeight
                };

            function reduce(elem, size, border, margin) {
                $.each(side, function () {
                    size -= parseFloat($.curCSS(elem, "padding" + this, true)) || 0;
                    if (border) {
                        size -= parseFloat($.curCSS(elem, "border" + this + "Width", true)) || 0;
                    }
                    if (margin) {
                        size -= parseFloat($.curCSS(elem, "margin" + this, true)) || 0;
                    }
                });
                return size;
            }

            $.fn["inner" + name] = function (size) {
                if (size === undefined) {
                    return orig["inner" + name].call(this);
                }

                return this.each(function () {
                    $(this).css(type, reduce(this, size) + "px");
                });
            };

            $.fn["outer" + name] = function (size, margin) {
                if (typeof size !== "number") {
                    return orig["outer" + name].call(this, size);
                }

                return this.each(function () {
                    $(this).css(type, reduce(this, size, true, margin) + "px");
                });
            };
        });
    }

// selectors
    function focusable(element, isTabIndexNotNaN) {
        var nodeName = element.nodeName.toLowerCase();
        if ("area" === nodeName) {
            var map = element.parentNode,
                mapName = map.name,
                img;
            if (!element.href || !mapName || map.nodeName.toLowerCase() !== "map") {
                return false;
            }
            img = $("img[usemap=#" + mapName + "]")[0];
            return !!img && visible(img);
        }
        return ( /input|select|textarea|button|object/.test(nodeName)
                ? !element.disabled
                : "a" == nodeName
                ? element.href || isTabIndexNotNaN
                : isTabIndexNotNaN)
                // the element and all of its ancestors must be visible
            && visible(element);
    }

    function visible(element) {
        return !$(element).parents().andSelf().filter(function () {
            return $.curCSS(this, "visibility") === "hidden" ||
                $.expr.filters.hidden(this);
        }).length;
    }

    $.extend($.expr[":"], {
        data: $.expr.createPseudo ?
            $.expr.createPseudo(function (dataName) {
                return function (elem) {
                    return !!$.data(elem, dataName);
                };
            }) :
            // support: jQuery <1.8
            function (elem, i, match) {
                return !!$.data(elem, match[3]);
            },

        focusable: function (element) {
            return focusable(element, !isNaN($.attr(element, "tabindex")));
        },

        tabbable: function (element) {
            var tabIndex = $.attr(element, "tabindex"),
                isTabIndexNaN = isNaN(tabIndex);
            return ( isTabIndexNaN || tabIndex >= 0 ) && focusable(element, !isTabIndexNaN);
        }
    });

// support
    $(function () {
        var body = document.body,
            div = body.appendChild(div = document.createElement("div"));

        // access offsetHeight before setting the style to prevent a layout bug
        // in IE 9 which causes the elemnt to continue to take up space even
        // after it is removed from the DOM (#8026)
        div.offsetHeight;

        $.extend(div.style, {
            minHeight: "100px",
            height: "auto",
            padding: 0,
            borderWidth: 0
        });

        $.support.minHeight = div.offsetHeight === 100;
        $.support.selectstart = "onselectstart" in div;

        // set display to none to avoid a layout bug in IE
        // http://dev.jquery.com/ticket/4014
        body.removeChild(div).style.display = "none";
    });

// jQuery <1.4.3 uses curCSS, in 1.4.3 - 1.7.2 curCSS = css, 1.8+ only has css
    if (!$.curCSS) {
        $.curCSS = $.css;
    }


// deprecated
    $.extend($.ui, {
        // $.ui.plugin is deprecated.  Use the proxy pattern instead.
        plugin: {
            add: function (module, option, set) {
                var proto = $.ui[module].prototype;
                for (var i in set) {
                    proto.plugins[i] = proto.plugins[i] || [];
                    proto.plugins[i].push([option, set[i]]);
                }
            },
            call: function (instance, name, args) {
                var set = instance.plugins[name];
                if (!set || !instance.element[0].parentNode) {
                    return;
                }

                for (var i = 0; i < set.length; i++) {
                    if (instance.options[set[i][0]]) {
                        set[i][1].apply(instance.element, args);
                    }
                }
            }
        },

        // will be deprecated when we switch to jQuery 1.4 - use jQuery.contains()
        contains: function (a, b) {
            return document.compareDocumentPosition ?
            a.compareDocumentPosition(b) & 16 :
            a !== b && a.contains(b);
        },

        // only used by resizable
        hasScroll: function (el, a) {

            //If overflow is hidden, the element might have extra content, but the user wants to hide it
            if ($(el).css("overflow") === "hidden") {
                return false;
            }

            var scroll = ( a && a === "left" ) ? "scrollLeft" : "scrollTop",
                has = false;

            if (el[scroll] > 0) {
                return true;
            }

            // TODO: determine which cases actually cause this to happen
            // if the element doesn't have the scroll set, see if it's possible to
            // set the scroll
            el[scroll] = 1;
            has = ( el[scroll] > 0 );
            el[scroll] = 0;
            return has;
        },

        // these are odd functions, fix the API or move into individual plugins
        isOverAxis: function (x, reference, size) {
            //Determines when x coordinate is over "b" element axis
            return ( x > reference ) && ( x < ( reference + size ) );
        },
        isOver: function (y, x, top, left, height, width) {
            //Determines when x, y coordinates is over "b" element
            return $.ui.isOverAxis(y, top, height) && $.ui.isOverAxis(x, left, width);
        }
    });

})(jQuery);