var browserName = navigator.appName;
		var browserVer = parseInt(navigator.appVersion);
		var version = "";
		var msie4 = (browserName == "Microsoft Internet Explorer" && browserVer >= 4);
		if ((browserName == "Netscape" && browserVer >= 3) || msie4 || browserName=="Konqueror" || browserName=="Opera") {version = "n3";} else {version = "n2";}
			// Blurring links:
		function blurLink(theObject)	{	//
			if (msie4)	{theObject.blur();}
		}
		function random(){
			var a;
			var video = "yt1";
			a = 1+Math.round(Math.random()*3);
			if (a == 2) video="yt2"
			if (a == 3) video="yt3"
			document.getElementById(video).style.display="block";
		}