var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

// Initialization, you can leave this here or move this somewhere else
$(function(){
	$('ul.jd_menu').jdMenu();
	$(document).bind('click', function() {
		$('ul.jd_menu ul:visible').jdMenuHide();
	});
});

/*
 * jdMenu 1.2.1 (2007-02-20)
 *
 * Copyright (c) 2006,2007 Jonathan Sharp (http://jdsharp.us)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://jdsharp.us/
 *
 * Built upon jQuery 1.1.1 (http://jquery.com)
 * This also requires the jQuery dimensions plugin
 */
(function($){
	// This method can be removed once it shows up in core
	if (!$.fn.ancestorsUntil) {
		$.fn.ancestorsUntil = function(match) {
			var a = [];
			$(this[0]).parents().each(function() {
				a.push(this);
				return !$(this).is(match);
			});
			return this.pushStack(a, arguments);
		};
	}

	// Settings
	var DELAY	= 150;
	var DELAYOUT= 500;
	var IFRAME 	= $.browser.msie;
	var CSSR 	= 'jd_menu_flag_root';
	var CSSB	= 'jd_menu_hover_toolbar';
	var CSSH	= 'jd_menu_hover';

	// Public methods
	$.fn.jdMenu = function() {
		return this.each(function() {
			$(this).addClass(CSSR);
			addEvents(this);
		});
	};

	$.fn.jdMenuHide = function() {
		return this.each(function() {
			hide(this);
		});
	};

	// Private methods
	function addEvents(ul) {
		$('> li', ul).hover(hoverOver,hoverOut).bind('click', click);
	};

	function removeEvents(ul) {
		$('> li', ul).unbind('mouseover').unbind('click', click);
	};

	function hoverOver() {
		var c = $(this).parent().is('.' + CSSR) ? CSSB : CSSH;
		$(this).addClass(c).find('> a').addClass(c);

		if (this.$timer) {
			clearTimeout(this.$timer);
		}
		this.$size = $('> ul', this).size();
		if (this.$size > 0) {
			var ul = $('> ul', this)[0];
			if (!$(ul).is(':visible')) {
				this.$timer = setTimeout(function() {
					if (!$(ul).is(':visible')) {
						show(ul);
					}
				}, DELAY);
			}
		}
	};

	function hoverOut() {
		$(this)	.removeClass(CSSH).removeClass(CSSB)
			.find('> a')
				.removeClass(CSSH).removeClass(CSSB);

		if (this.$timer) {
			clearTimeout(this.$timer);
		}
		if ($(this).is(':visible') && this.$size > 0) {
			var ul = $('> ul', this)[0];
			this.$timer = setTimeout(function() {
				if ($(ul).is(':visible')) {
					hide(ul);
				}
			}, DELAYOUT);
		}
	};

	function show(ul) {
		// Hide any existing menues at the same level
		$(ul).parent().parent().find('> li > ul:visible').not(ul).each(function() {
			hide(this);
		});
		addEvents(ul);

		var o = $(ul).offset();
		var bt = o.borderTop;
		var bl = o.borderLeft;

		var x = 0, y = 0;
		var li = $(ul).parent();
		if ($(li).ancestorsUntil('ul.' + CSSR).filter('li').size() == 0) {
			x = $(li).offset($(li).parents('ul.' + CSSR)[0]).left;
			y = $(li).outerHeight();
		} else {
			x = $(li).outerWidth() - (0 * bl);
			y = $(li).offset($(li).parent()).top - (2 * bt);
		}
		
		$(ul).css({left: x + 'px', top: y + 'px'}).show();
		
		if (IFRAME && ($(ul).ancestorsUntil('ul.' + CSSR).filter('li').size() > 0)) {
			// TODO Add in the auto declaration?
			var w = $(ul).outerWidth();	// Needs to be before the frame is added
			var h = $(ul).outerHeight();
			if ($('> iframe', ul).size() == 0) {
				$(ul).append('</iframe>').prepend('<iframe style="position: absolute; z-index: -1;">');
			}
			$('> iframe', ul).css({		opacity:		'0',
										left: 			-bl + 'px',
										top: 			-bt + 'px',
										width: 			w + 'px',
										height: 		h + 'px'});
			if (!ul.style.width || ul.$auto) {
				ul.$auto = true;
				$(ul).css({	width: 	w - (bl * 2) + 'px',
							height: h - (bt * 2) + 'px',
							zIndex: '100' });
			}
		}
		
		//HEIGHT
		var navig = BrowserDetect.browser + BrowserDetect.version;
		
		var listLevel = $(ul).parent().attr("name");
		if(listLevel >= 3)
		{
			$(ul).css("margin","3px 0px 0px 0px");
			$(ul).css("top","-20px");
			if(navig == 'Explorer6')
			{
				$(ul).css("left", (x + 6) + "px");
			}
		}
		else
			if(listLevel == 2)
			{
				var menu_height = $(ul).css("height");
				if(parseInt(menu_height) < 165) {
					y = 185 - parseInt(menu_height) - 2;
					if(navig == 'Explorer6')
						y += 3;
				}
				$(ul).css("top",parseInt(y)+'px');
				
				//Opacity
				if(BrowserDetect.browser == "Firefox" || BrowserDetect.browser == "Mozilla") {
					$(ul).css("filter","alpha(opacity=90)");
					$(ul).css("opacity",".90");
					$(ul).css("-moz-opacity",".90");
				}
			}
	};

	function hide(ul, recurse) {
		$('> li > ul:visible', ul).each(function(){
			hide(this, false);
		});
		if ($(ul).is('.' + CSSR)) {
			return;
		}

		removeEvents(ul);
		$(ul).hide();
		$('> iframe', ul).remove();

		// If true, hide all of our parent menues
		if (recurse == true) {
			$(ul).ancestorsUntil('ul.' + CSSR)
					.removeClass(CSSH).removeClass(CSSB)
				.not('.' + CSSR).filter('ul')
					.each(function() {
						hide(this, false)
				});
		}
	};

	function click(e) {
		e.stopPropagation();
		if (this.$timer) {
			clearTimeout(this.$timer);
		}
		if (this.$size > 0) {
			var ul = $('> ul', this)[0];
			if (!$(ul).is(':visible')) {
				show(ul);
			}
		} else {
			if ($(e.target).is('li')) {
				var l = $('> a', this).get(0);
				if (l != undefined) {
					if (!l.onclick) {
						window.open(l.href, l.target || '_self');
					} else {
						$(l).click();
					}
				}
			}

			var ul = $(this).parent();
			if (!$(ul).is('.' + CSSR)) {
				hide(ul, true);
			}
		}
	};
})(jQuery);