function openPaypalWindow(form) {
    window.open('about:blank', 'paypal','width=950,height=800,scrollbars=yes,resizable=yes,status=yes');
    form.submit();
    return false;
}

// for multiple-sku dropdown select box replacement:
$(document).bind('click', function(e) {
    var $clicked = $(e.target);
    if (! $clicked.parents().hasClass("dropdown")) {
        $(".dropdown dd ul").hide();
    }
});