function write_to_field(code)
{
 var found = false;
 var i =0;
 while ((found == false) && (i < document.form1.elements.length))
  {i = i + 1
   if (document.form1.elements[i].name == code)
     { 
      found = true;
      document.form1.elements[i].value = parent.item_quan(code);
     }
  }
}

function Loc_additem(code,price,desc,url)
{
 self.parent.additem(code,price,desc,url);
 write_to_field(code)
}

function Loc_subitem(code,price,desc)
{
self.parent.subitem(code,price,desc);
write_to_field(code)
}

function update_thiselem_page()
{
if (self!=parent)
parent.update_this_page()
}