navHover = function() {
	var master_cat_navmenuObj = document.getElementById("master_cat_navmenu");
	
	if( null != master_cat_navmenuObj ){
		var lis = master_cat_navmenuObj.getElementsByTagName("LI");
		for (var i=0; i<lis.length; i++) {
			lis[i].onmouseover=function() {
				this.className+=" iehover";
			}
			lis[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" iehover\\b"), "");
			}
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", navHover);