function highlightNav() {

	 if (!document.getElementsByTagName) return false;
    if (!document.getElementById) return false;
	 	 
    if (document.getElementById("iNavL1")) {
	    var nav = document.getElementById("iNavL1");
	    var links = nav.getElementsByTagName("a");
	    for (var i=0; i<links.length; i++) {
	        var linkurl = links[i].getAttribute("href");
	        var currenturl = window.location.href;
	
	        if (currenturl.indexOf(linkurl) != -1) {
			   var element = links[i].parentNode;
	            addClass(element,"here");
	        }
		}
    }

	if (document.getElementById("iNavL3")) {
    var nav = document.getElementById("iNavL3");
    var links = nav.getElementsByTagName("a");
    for (var i=0; i<links.length; i++) {
        var linkurl = links[i].getAttribute("href");
        var currenturl = window.location.href;

        if (currenturl.indexOf(linkurl) != -1) {
		   var element = links[i].parentNode;
            addClass(element,"here");
        }
    	}
	 }
}

addLoadEvent(highlightNav);