function loglink(action_id, details) { 
  if (window.XMLHttpRequest) { 
    AJAX=new XMLHttpRequest(); 
  } else { 
    AJAX=new ActiveXObject('Microsoft.XMLHTTP'); 
  } 
  if (AJAX) { 
     AJAX.open('GET', 'LinkLogger.aspx?user_action='+action_id+'&details='+details, false);   
     AJAX.send(null); 
     return true; 
  } else { 
     return true; 
  }  
}