/* VARIABLES PARA CAMBIAR DE IDIOMA */
var cad = document.location.pathname;
var id = '../../esp/index.html';
var id2 = '../index.html';
var id3 = '../../eng/index.html';
var resto = cad.substring(5,cad.length) + document.location.search; // espaņol
var resto2 = cad.substring(5,cad.length) + document.location.search; // catalan 
var resto3 = cad.substring(5,cad.length) + document.location.search; // ingles
/* variables para controlar los navegadores */
var ns6 = (!document.all && document.getElementById)? 1:0;
var ie4 = (document.all)? 1:0;
var ns4 = (document.layers)? 1:0;