function ajaxReturn(action)
{
  if(window.XMLHttpRequest) // FIREFOX
      xhr_object = new XMLHttpRequest(); 
  else if(window.ActiveXObject) // IE
      xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
  else 
      return(false);
      
  xhr_object.open("GET",action, false); 
  xhr_object.send(null); 
  if(xhr_object.readyState == 4) return(xhr_object.responseText);
  else return(false);
}