function rateContent ( _id, _rating ) {

  xmlRequest = new XML.Request(updateRating);
  xmlRequest.get("/rating.php?id="+_id+"&rating="+_rating);  
  
}

function updateRating(responseText) {
  var update = new Array();

  if(responseText.indexOf('|') != -1) {
    
     update = responseText.split('|');
     div = document.getElementById('resource_'+update[0]+'_rating');
     if (div) {
       div.innerHTML = update[1];
     }     
  }  
}

function bookmarkContent( _id ) {
  
  xmlRequest = new XML.Request(updateBookmark);
  xmlRequest.get("/bookmark.php?id="+_id);  
}

function updateBookmark(responseText) {
  div = document.getElementById('resource_bookmark');
  if (div) {
       div.innerHTML = responseText;
  }  
}

function brokenLink (_id) {
  xmlRequest = new XML.Request(updateBroken);
  xmlRequest.get("/content.php?do=brokenlink&id="+_id);  
}

function updateBroken(responseText) {
  div = document.getElementById('broken_link');
  if (div) {
       div.innerHTML = '';
       alert(responseText);
  }  
}