$(document).ready(function () {
    $('#login').ajaxForm({
        success: ajaxLogin 
    });
});

function ajaxLogin(data, status) {
    if (status = 'success') {
        data = eval( '(' + data + ')');
        if (data.status == 'success') {
            window.location = data.text;
        } else {
            $('#login_error').text(data.text);
        }
    } 
}//eof