<!--
 function ShowHide(id1, id2) {
   if (id1 != '') expMenu(id1);
   if (id2 != '') expMenu(id2);
 }
 
 function expMenu(id) {
   var itm = null;
   if (document.getElementById) {
     itm = document.getElementById(id);
   } else if (document.all){
     itm = document.all[id];
   } else if (document.layers){
     itm = document.layers[id];
   }
   
   if (!itm) {
   }
   else if (itm.style) {
     if (itm.style.display == "none") { itm.style.display = ""; }
     else { itm.style.display = "none"; }
   }
   else { itm.visibility = "show"; }
 }
//-->