function Toggle(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")
   key=document.getElementById("x" + item);
	if (visible) {
     obj.style.display="none";
//     key.innerHTML="<img src='../images/product_portfolio/folder.gif' width='16' height='16' border='0'>";
   } else {
      obj.style.display="block";
//    key.innerHTML="<img src='../images/product_portfolio/textfolder.gif' width='16' border='0'>";
   }
}