function addLinkerEvents() {
	var as = document.getElementsByTagName("a"); // on récupère toutes les balises <a>

	var extDoc = [".doc",".xls",".ppt",".zip",".pdf", ".rtf", ".ods", ".odt", ".flv", ".mp3", ".mp4",".png", ".gif", ".jpg", ".tgz", ".mpg", ".mpeg",".js"]; // liste des extensions à suivre

        for(var i=0; i<as.length; i++) {
		var flag = 0;
		var tmp = as[i].getAttribute("onclick");

		// IE6-IE7 fix (null values error) with thanks to Julien Bissonnette for this
		if (tmp != null) {
		  tmp = String(tmp);
		  if (tmp.indexOf('urchinTracker') > -1 || tmp.indexOf('_trackPageview') > -1) continue;
    		}

                 for (var j=0; j<extDoc.length; j++) {
			if (as[i].href.indexOf(extDoc[j]) != -1) {
				as[i].onclick = function(){ var splitResult = this.href.split('/'); _gaq.push(['_trackPageview','/downloads/' +splitResult[splitResult.length-1]])+ ";"+((tmp != null) ? tmp+";" : "");}
				break;
			}
		}

         }
}
window.onload = addLinkerEvents;