function highlightPage(){
	if(!document.getElementsByTagName) return false;
	if(!document.getElementById) return false;
	if(!document.getElementById('nav')) return false;
	
	var nav = document.getElementById('nav');
	var links = nav.getElementsByTagName('a');
	for(i=0;i<links.length;i++){
		var linkurl = links[i].getAttribute("href");
		var currenturl = window.location.href;
		if(currenturl.indexOf(linkurl) !=-1){
			var pattern = new RegExp("(^| )" + "here" + "( |$)");
			if(!pattern.test(links[i].parentNode.className)){
				if(links[i].parentNode.className == ""){
					links[i].parentNode.className = "here";
				}else{
					links[i].parentNode.className += " " + "here";
				}
			}
			return true;
		}
	}
}
window.onload = highlightPage;