function valEmail(valor){
    //re=/^[_a-z0-9-]+(.[_a-z0-9-]+)*@[a-z0-9-]+(.[a-z0-9-]+)*(.[a-z]{2,3})$/
    re =/\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/
    if(re.exec(valor))    {
        return true;
    }else{
        return false;
    }
}

function valMovil(valor){
   
    re =/^(\+34)?[6]{1}[0-9]{8}$/;
    if(re.exec(valor))    {
        return true;
    }else{
        return false;
    }
}

function ltrim(s) {
return s.replace(/^\s+/, '');
}

function rtrim(s) {
return s.replace(/\s+$/, '');
}

function trim(s) {
return rtrim(ltrim(s));
}