/* Toggle */

function Toggle(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="block")
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="block";
     key.innerHTML="[-]";
   } else {
      obj.style.display="none";
      key.innerHTML="[+]";
   }
}