function encodeAndSubmit(frm1) {
    frm = document.login_form;
    if (frm.name == 'login_form') {
        form = document.hidden; 
        form.action = 'http://www.survelum.com/login/verify.php';
        form.login.value = frm.login.value;
        form.hash.value  = hex_md5(frm.psswd.value + '' + frm.rand.value);
        form.rand.value  = frm.rand.value;
        if (frm.rememberMe.checked) {
            setCookie('loginID',frm.login.value,24*60);   /* expires in 60 days  */
        } else {
            setCookie('loginID','',-1);  /* unset cookie */
        }
        form.submit();
    } 
    return false;
}

document.writeln('<form action="" method="POST" autocomplete="off" name="hidden" style="display:none">');
document.writeln('<input type="hidden" name="login" value="">');
document.writeln('<input type="hidden" name="hash" value="">');
document.writeln('<input type="hidden" name="rand" value="">');
document.writeln('</form>');