if (window != top) top.location.href = location.href;

  function loginpage() {
        if(document.forms[0].username.value =='') {
                document.forms[0].username.focus();
        } else {
                document.forms[0].password.focus();
        }
  }

  function encrypt(f) {
        var password = f.password.value;
        var salt = f.salt.value;
        var encrypted = hex_md5(hex_md5(password) + salt);
        f.password.value = encrypted;
  }