function incrementCounter(id,seccion,programa) {
  var req=null;

  if (window.XMLHttpRequest) {
     req = new XMLHttpRequest();
	 if (typeof req.overrideMimeType != 'undefined') { 
        req.overrideMimeType('text/xml'); 
     }
  }
  else if (window.ActiveXObject) {
     req = new ActiveXObject("Microsoft.XMLHTTP");
  }

  url='/su/services/incrementCounter?type=asset&id='+id+'&seccion='+seccion+'&programa='+programa;

  req.open('GET', url, true);
  req.send(null);
}