activateMenu = function(nav) {

    /* currentStyle restricts the Javascript to IE only */
	if (document.all && document.getElementById(nav).currentStyle) {
        var navroot = document.getElementById(nav);

        /* Get all the list items within the menu */
        var lis=navroot.getElementsByTagName("LI");
        for (i=0; i<lis.length; i++) {

           /* If the LI has another menu level */
            if(lis[i].lastChild.tagName=="UL"){

                /* assign the function to the LI */
             	lis[i].onmouseover=function() {

                   /* display the inner menu */
                   this.lastChild.style.display="block";
                }
                lis[i].onmouseout=function() {
                   this.lastChild.style.display="none";
                }
            }
        }
    }
}
window.onload= function(){
    /* pass the function the id of the top level UL */
    /* remove one, when only using one menu */
   // activateMenu('nav');
   activateMenu('vertnav');
}

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