function Jump(item) {
  obj=document.getElementById(item);
  if (obj.style.display == "none") {
  Toggle(item);
  } 
  obj=document.getElementById("t" + item);
  if (obj.scrollIntoView) {
	obj.scrollIntoView(true);
   }
}

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

}
function Expand() {
   cats=document.getElementsByTagName("div");
   for (i=0;i<cats.length;i++) {
     if (cats[i].className == "grpprods" ) {
        cats[i].style.display="block";
        key=document.getElementById("t" + cats[i].id);
        key.innerHTML="[-]";
        }
   }
}
function Collapse() {
   cats=document.getElementsByTagName("div");
   for (i=0;i<cats.length;i++) {
     if (cats[i].className == "grpprods" ) {
        cats[i].style.display="none";
        key=document.getElementById("t" + cats[i].id);
        key.innerHTML="[+]";
        }
   }
}