function elu(codeelu){
	if($('curseur')){
		var element = $('curseur');
		var url = 'gestion_curseur.php';
		var data = $H({"code":codeelu}).toQueryString();
		var myAjax = new Ajax.Updater(
		  element,
		  url,
		  {
			method: 'post',
			postBody: data
		  });
	}
}

Event.observe(window, 'load', function() {elu(71);});