// Rev. 09/07/2003

function toggle(item) {
   obj=document.getElementById("x"+item); //PRENDO IL DIV CHE CONTIENE LE SOTTOCATEGORIE
   visible=(obj.style.display!="none")
   key=document.getElementById("menux"+item); //PENDO LA CATEGORIA PADRE
   if (visible) {
     obj.style.display="none";
     key.innerHTML="<img src='/images/list_open.gif' width='7' height='7' alt='Espandi' />";
   } else {
      obj.style.display="block";
      key.innerHTML="<img src='/images/list_close.gif' width='7' height='7' alt='Espandi' />";
   }
}

function expand() {
   divs=document.getElementsByTagName("DIV");
   for (i=0;i<divs.length;i++) {
     if (divs[i].id.charAt(0) == 'x') {
	 	divs[i].style.display="block";
     	key=document.getElementById("menu" + divs[i].id);
     	key.innerHTML="<img src='/images/list_close.gif' width='7' height='7' alt='Espandi' />";
   	 }
  }
}

function collapse() {
   divs=document.getElementsByTagName("DIV");
   for (i=0;i<divs.length;i++) {
   	 if (divs[i].id.charAt(0) == 'x') {
		 divs[i].style.display="none";
		 key=document.getElementById("menu" + divs[i].id);
		 key.innerHTML="<img src='/images/list_open.gif' width='7' height='7' alt='Espandi' />";
   	 }
   }
}