sometimes the simplest solutions are the hardest to see...
in your HTML header:
Code:
<script LANGUAGE="JavaScript" TYPE="text/javascript">
<!--
function squirrelmail_loginpage_onload() {
document.forms[0].js_autodetect_results.value = '1';
document.forms[0].elements[0].focus();
}
// -->
</script>
HTML form:
Code:
<form ACTION="http://webmail.ukhs.com/src/redirect.php" METHOD="POST">
Username: <input TYPE=TEXT NAME="login_username" VALUE="">
<br>
Password: <input TYPE=PASSWORD NAME="secretkey">
<br>
<input TYPE=HIDDEN NAME="js_autodetect_results" VALUE="0">
<input TYPE=HIDDEN NAME="just_logged_in" value=1>
<input TYPE=SUBMIT VALUE="Login">
</form>