// Client-side preliminary form validation
function checkForm( form )
{
    var uname =  $('reg_uname');
    var upass =  $('userPass');
    var problems = false;

    // Check First Name
    if (uname.value == '') {
        problems = true;
        $('unametip').innerHTML = 'This field is required.';
    } else {
        $('unametip').innerHTML = '';
    }

    // Check Last Name
    if (upass.value == '') {
        problems = true;
        $('pwtip').innerHTML = 'This field is required.';
    } else {
        $('pwtip').innerHTML = '';
    }
    // Check to make sure we want to submit the form
    if (uname.value != '' && upass.value != '' && !problems) {
        $('reg_submit').value='Logging In';
        $('reg_submit').disabled=true;
        form.submit();
    } else {

    }
     return false;
}