var str_loc = String(window.location);
	var str_nav = "";	
	var str_href = "";
	
	for(var i=0;i<7;i++){
		str_nav = String("index_nav"+i); 
		if(document.getElementById(str_nav)==null){
				break;
		}	
		str_href = document.getElementById(str_nav).href;
		str_href = str_href.substring(str_href.lastIndexOf("/"));
		if(str_loc.indexOf(str_href)!=-1){
			document.getElementById(str_nav).href="#";
			document.getElementById(str_nav).className="on";
			break;
		}
		if(i==0 && str_loc.lastIndexOf("/")==str_loc.length-1){
			document.getElementById("index_nav0").href="#";
			document.getElementById("index_nav0").className="on";
			break;
		}
	}