function ext_fichier(filename){ 
    return (/[.]/.exec(filename)) ? /[^.]+$/.exec(filename) : undefined; 
}

$(document).ready(function() {
  _uacct = "UA-17126696-1";
	$("a").click(function(){
		var lien = $(this).attr("href");
		doc = lien.substring(lien.lastIndexOf('/')+1);
		var ext = ext_fichier(lien);
		if(ext == 'pdf'){
			//alert(doc);
			urchinTracker ('/downloads/pdf/'+doc);
		}
		if(ext == 'doc'){
			//alert(lien);
			urchinTracker ('/downloads/doc'+doc);
		}
		if(ext == 'ppt'){
			//alert(lien);
			urchinTracker ('/downloads/pdf'+doc);
		}
	});
	if($('#myVideo')){
	   var maVideo = $("#idVideo").attr("url");
	   maVideo = maVideo.substring(maVideo.lastIndexOf('/')+1);
  	 //alert(doc);
  	 urchinTracker ('/downloads/flv/'+maVideo);
  }
});