/*!
* jQuery UI @VERSION
*
* Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI
*/
; jQuery.ui || (function ($) {

	var isFF2 = $.browser.mozilla && (parseFloat($.browser.version) < 1.9);

	//Helper functions and ui object
	$.ui = {
		version: "@VERSION",

		// $.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);
					}
				}
			}
		},

		contains: function (a, b) {
			return document.compareDocumentPosition
			? a.compareDocumentPosition(b) & 16
			: a !== b && a.contains(b);
		},

		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;
		},

		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);
		},

		keyCode: {
			BACKSPACE: 8,
			CAPS_LOCK: 20,
			COMMA: 188,
			CONTROL: 17,
			DELETE: 46,
			DOWN: 40,
			END: 35,
			ENTER: 13,
			ESCAPE: 27,
			HOME: 36,
			INSERT: 45,
			LEFT: 37,
			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
		}
	};

	//jQuery plugins
	$.fn.extend({
		_focus: $.fn.focus,
		focus: function (delay, fn) {
			return typeof delay === 'number'
			? this.each(function () {
				var elem = this;
				setTimeout(function () {
					$(elem).focus();
					(fn && fn.call(elem));
				}, delay);
			})
			: this._focus.apply(this, arguments);
		},

		enableSelection: function () {
			return this
			.attr('unselectable', 'off')
			.css('MozUserSelect', '')
			.unbind('selectstart.ui');
		},

		disableSelection: function () {
			return this
			.attr('unselectable', 'on')
			.css('MozUserSelect', 'none')
			.bind('selectstart.ui', function () { return false; });
		},

		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'));
						if (!isNaN(value) && value != 0) {
							return value;
						}
					}
					elem = elem.parent();
				}
			}

			return 0;
		}
	});


	//Additional selectors
	$.extend($.expr[':'], {
		data: function (elem, i, match) {
			return !!$.data(elem, match[3]);
		},

		focusable: function (element) {
			var nodeName = element.nodeName.toLowerCase(),
			tabIndex = $.attr(element, 'tabindex');
			return (/input|select|textarea|button|object/.test(nodeName)
			? !element.disabled
			: 'a' == nodeName || 'area' == nodeName
				? element.href || !isNaN(tabIndex)
				: !isNaN(tabIndex))
			// the element and all of its ancestors must be visible
			// the browser may report that the area is hidden
			&& !$(element)['area' == nodeName ? 'parents' : 'closest'](':hidden').length;
		},

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

})(jQuery);