function ce_subotch(el,sdiv) {
otch = document.getElementById?document.getElementById(sdiv):document.all?document.all[sdiv]:"null";
cssotch = otch.style?otch.style:otch;
tt = el.innerHTML;
if(cssotch.display != "none") {
  el.innerHTML = tt.substr();
  cssotch.display = "none";
 } else {
  el.innerHTML = tt.substr();
  cssotch.display = "";
 }
}