mekdam_hover = function() {
	var mekdam_elem = document.getElementById("topMenu").getElementsByTagName("li");
	for (var i=0; i<mekdam_elem.length; i++) {
		mekdam_elem[i].onmouseover=function() {
			this.className+=" hover";
		}
		mekdam_elem[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" hover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", mekdam_hover);