function startList() {
	if(document.all || document.getElementById) {
		navRoot = document.getElementById("top-nav");
        if(typeof(navRoot.childNodes) != 'object') return;
        if(typeof(navRoot.childNodes[0]) != 'object') return;
        if(typeof(navRoot.childNodes[0].childNodes) != 'object') return;
        if(typeof(navRoot.childNodes[0].childNodes[0]) != 'object') return;
        if(typeof(navRoot.childNodes[0].childNodes[0].childNodes) != 'object') return;
		for (i=0; i<navRoot.childNodes[0].childNodes[0].childNodes.length; i++) {
			node = navRoot.childNodes[0].childNodes[0].childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
					this.className+=" over";
				}
				node.onmouseout=function() {
					this.className=this.className.replace(" over", "");
				}
			}
		}
	}
}
//window.onload=startList;
startList();