<!-- 
function check_form_webmail(frm) {
  login = frm.login_username.value; 
  pwd = frm.secretkey.value; 
  if (trim(login) == '') { 
    alert('Por favor ingresar login.');
    frm.login_username.focus(); 
    return false; 
  } 
  if (trim(pwd) == '') { 
    alert('Por favor ingresar password.');
    frm.secretkey.focus();
    return false;
  }
  return true;
}

function add_domain(txt) {
  domainname = 'gua.net'
  at_domainname = '@'+domainname;
  if (txt.value.indexOf('@') < 0) txt.value += at_domainname;
}

function trim(s) {
  while (s.substring(0,1) == ' ') {
    s = s.substring(1,s.length);
  }
  while (s.substring(s.length-1,s.length) == ' ') {
    s = s.substring(0,s.length-1);
  }
  return s;
}

//-->