// Menu
function menuactive(som,obj) {
 if (document.getElementById) {
  var temp = document.getElementById(som).style;
  if (temp.display == "block") {
   temp.display = "none"; 
   obj.firstChild.src = "/images/css_images/menu_close.gif";
   } else {
   temp.display = "block";	
  obj.firstChild.src = "/images/css_images/menu_open.gif";
  }
  return false;
  } else {
  return true;
 }
}