//alert("aaaaa");

startList = function() {
	if (document.all && document.getElementById) {
		navRoot = document.getElementById("MainNavigationList");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
					node.onmouseover=function() {
						this.className+="over";
					}
					 node.onmouseout=function() {
						 this.className=this.className.replace("over", "");
				   }
		   }
		  }
	 }
}
window.onload=startList;