gistfile1.txt

function validateLoginForm() {
            $('#username').val($.trim($('#username').val()));
            if ($('#username').val().search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) == -1) {
                $('#username').focus();
                alert("Your username should be the email address you registered with.");
                return false;
            } else if ($('#password').val() == "") {
                $('#password').focus();
                alert("Password is required.");
                return false;
            } else if ($('#token').val() == "") {
                return false;
            } else {
                $("#login-form button").attr('disabled', 'disabled');
            }
            return true;
        }