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: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			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.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

var currentHighlights = 1;
var newHighlights;

$(function() {
	$("#highlights-switch-1").click(toggleHighlights);
	$("#highlights-switch-2").click(toggleHighlights);
	$("#highlights-switch-3").click(toggleHighlights);
	$("#highlights-switch-4").click(toggleHighlights);
	
	$("#highlights-item-2").css("display", "none");
	$("#highlights-item-3").css("display", "none");
	$("#highlights-item-4").css("display", "none");
});

function toggleHighlights(e)
{
	newHighlights = e.currentTarget.id.substr(18, 1);
	
	if(currentHighlights != newHighlights)
	{
		if(BrowserDetect.browser == "Explorer")
		{
			$("#highlights-item-" + currentHighlights).css("display", "none");
			$("#highlights-item-" + newHighlights).css("margin-top", "0px");
			$("#highlights-item-" + newHighlights).css("display", "block");
		}
		else
		{
			$("#highlights-item-" + newHighlights).css("display", "block");
			$("#highlights-item-" + currentHighlights).animate({opacity: 0, marginTop: "-200px"}, 500);
			$("#highlights-item-" + newHighlights).animate({opacity: 100, marginTop: "0px" }, 500);
			
			$("#highlights-item-" + currentHighlights).css("z-index", "1");
			$("#highlights-item-" + newHighlights).css("z-index", "999");
		}
		
		$("#highlights-switch-" + currentHighlights).attr("src", "/images/" + currentHighlights + ".gif");
		$("#highlights-switch-" + newHighlights).attr("src", "/images/" + newHighlights + "_enabled.gif");
		
		currentHighlights = newHighlights;
	}
	
	return false;
}