var nav=document.getElementById("sub_nav");
var links=nav.getElementsByTagName("a");
for(var i=0;i<links.length;i++){
	var linkurl=links[i].getAttribute("href");
	var currentrul=document.location.href;
		if(currentrul.indexOf(linkurl)!=-1){
		links[i].className="selected"				
			}
	}
if(document.getElementById("project")){
	links[1].className="selected"
	
	}