function navhighlight () {

	var cUrl = window.location.href;

	if (document.getElementById) {
		var leftnav = document.getElementById ("leftnav");
		var leftnavlinks = leftnav.getElementsByTagName("a");
		
		for (i=0; i < leftnavlinks.length; i++) {
			if (cUrl.indexOf(leftnavlinks[i].href, 0) > -1) {
				leftnavlinks[i].className = 'on';
//				alert ('bingo curl:' + cUrl + " linkurl:" + leftnavlinks[i].href);
			}
		}
	}

}


window.onload = navhighlight;