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

function popItUp(u,w,h){
var l=(screen.availWidth  - w) / 2
,t=(screen.availHeight - h) / 2
,op='toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=yes,copyhistory=no,width='+w+',height='+h+',left='+l+',top='+t
window.open(u, '_blank', op)
}
function showCertificate(){popItUp('../out.php?id=certificates_url',500,350)}
function showSpecialOffer(){popItUp('../out.php?id=special_offer_url',620,620)}