startList = function() 
{
	if ( document.all && document.getElementById ) {
	navRoot = document.getElementById("nav");

		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;