function initPage(){
	var ulList = new Array("header", "clients-menu");
	for(id in ulList){
		var ul = document.getElementById(ulList[id]);
		var lis = ul.getElementsByTagName("li");
		for (var j=0; j<lis.length; j++) {
			lis[j].onmouseover = function(){
				this.className += " hover";
				}
			lis[j].onmouseout = function(){
				this.className = this.className.replace(new RegExp("hover"),"");
				}
			}
		}
	}


if (window.attachEvent && !window.opera)
attachEvent("onload", initPage);