var detect = navigator.userAgent.toLowerCase();
var OS,browser,total,thestring;
var version = 0;

if (checkIt('konqueror'))
{
	browser = "Konqueror";
	OS = "Linux";
}
else if (checkIt('safari')) browser = "Safari"
else if (checkIt('omniweb')) browser = "OmniWeb"
else if (checkIt('opera')) browser = "Opera"
else if (checkIt('webtv')) browser = "WebTV";
else if (checkIt('icab')) browser = "iCab"
else if (checkIt('msie')) browser = "Internet Explorer"
else if (!checkIt('compatible'))
{
	browser = "Netscape Navigator"
	version = detect.charAt(8);
}
else browser = "An unknown browser";

if (!version) version = detect.charAt(place + thestring.length);
     
if (!OS) 
{
	if (checkIt('linux')) OS = "Linux";
	else if (checkIt('x11')) OS = "Unix";
	else if (checkIt('mac')) OS = "Mac"
	else if (checkIt('win')) OS = "Windows"
	else OS = "an unknown operating system";
}

function checkIt(string)
{
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
}


startList = function() 
{

if ( OS == "Mac" && browser == "Internet Explorer" )

	{
			var foo = bar;
	}

else
	{

		if (document.all&&document.getElementById) 
	
		{
		navRoot = document.getElementById("nav");
			for (i=0; i<navRoot.childNodes.length; i++)
			{
			node = navRoot.childNodes[i];
				if (node.nodeName=="LI")
				{
					node.onmouseover=function()
					{
						this.className+=" over";
					}
					node.onmouseout=function() 
					{
						this.className=this.className.replace(" over", "");
					}
				}
			}
		}
	}
}