function confirmar_accion(accion, elemento, id){
	var fullURL = parent.document.URL;
	var query_string = fullURL.substring(fullURL.indexOf('?'), fullURL.length);
	
	var entrar = confirm("¿Estás seguro de que quieres " + accion + " este " + elemento + "?");
	if (!entrar) {
		null;
	}else{
		//query_string.search('&');
		var url = query_string + '&borrar=' + id;
	 	location.href = url;
	}
}

function get_submenus(){
	submenus = NULL;
	url = "ajax/submenus.ajax.php";
	var ajax = new AJAX();
	ajax.realizaPeticion(url, "get", parametros,
	function(){
		if(ajax.peticion_http.readyState == 4) {
			if(ajax.peticion_http.status == 200) {
				response = ajax.response_text;
				alert(response);
				submenus = eval("(" + response + ")"); 
			}
		}
	});
	
	return submenus;
}