function currentpage(nav_current,nav_css,n){
    var left_nav = document.getElementById(nav_current);
    var links = left_nav.getElementsByTagName('li');
    for (var i=0;i<links.length;i++){
        var linkurl =  links[i].getAttribute('href');
        var currenturl = document.location.href;
			{
				if(currenturl.indexOf(linkurl)!=-1){
					links[i].className = nav_css;
				}
			}
    }
}

/*
var url;
url=currenturl.indexOf(".asp");
if (url>0){
var tempUrl;
tempUrl=url.substring(0,url)
	}
*/