var testNumbers       = /^\d*$/;
var testLetras        = /^[A-Za-z\xE1\xE9\xED\xF3\xFA\xF1\xC1\xC9\xCD\xD3\xDA\xD1\xE4\xEB\xEF\xF6\xFC\xC4\xCB\xCF\xD5\xDC]*$/;
var testLetrasEspacio = /^[A-Za-z\xE1\xE9\xED\xF3\xFA\xF1\xC1\xC9\xCD\xD3\xDA\xD1\xE4\xEB\xEF\xF6\xFC\xC4\xCB\xCF\xD5\xDC\ ]*$/;
var testEmail         = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
var testTelefono      = /^[\d\-]*$/;
var testLogin         = /^[A-Za-z\d-_]*$/;

var testColor         = /^#[A-Fa-f\d]{6}$/;