// Menu
function kadabra(zap,obj) {
 if (document.getElementById) {
  var abra = document.getElementById(zap).style;
  if (abra.display == "block") {
   abra.display = "none"; 
   obj.parentNode.src = "http://img.alibaba.com/images/eng/style/css_images/menu/menu_close.gif";
   } 
   else {
   abra.display = "block";	
  obj.parentNode.src = "http://img.alibaba.com/images/eng/style/css_images/menu/menu_open.gif";
  }
  return false;
  } 
  else {
  return true;
 }
}