function initnav() {
	var ulnavs = getElementsByClass("ulnav");
	//alert(ulnavs);
	for (var i = 0; i < ulnavs.length; i++) {
		var lis = ulnavs[i].childNodes;
		//alert(lis.nodeName);
		//var firstli = ulnavs[i].firstChild;
		//var lastli = ulnavs[i].lastChild;
		//alert(firstli.nodeName);
		for (var i = 0; i < lis.length; i++) {
			 as = lis[i].childNodes;
			
			//alert(as[j].nodeName);
			for (var i = 0; i < as.length; k++) {
			
			attachEventListener(as[i], "click", clickFocul, false);
			}
		}
		/*for (var k = 0; k < as.length; k++) {
			as[k].onclick = clickFocul;
		}*/
	}
	//return true;
}
function clickFocul() {
    //alert(this.nodeName);
	//alert("1111111");
	removeClass(this.parentNode, "foculbg");
	addClass(this.parentNode, "navbgdown");
	//if (!hasClass(this.parentNode, "foculbg")) {
	    //alert("222222");
		//addClass(this.parentNode, "foculbg");
	//}
	
	//return false;
}