startList = function() {
  if (document.all&&document.getElementById) {
    navRoot = document.getElementById("menu");
    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", "");}
      }

    for (e=0; e<node.childNodes.length; e++) {
      node1 = node.childNodes[e];

    for (j=0; j<node1.childNodes.length; j++) {
      node2 = node1.childNodes[j];
	  if (node2.nodeName=="LI") {
	    node2.onmouseover=function() {this.className+=" over";}
	    node2.onmouseout=function() {this.className=this.className.replace(" over", "");}
      }
    }
    }
    }
  }
}
  
window.onload=startList;