startList = function() {
if (document.all&&document.getElementById) {
  for (j=1; j<=9; j++) {
     navmenu = "nav" + j;
     navRoot = document.getElementById(navmenu);
     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", "");
          }
       }
     }
  }//end for
 }//end if Browser IE
}//end function
window.onload=startList;