function OpenUrlInNewWindow(ob, targetWindow) {
    targetURL = ob.options[ob.selectedIndex].value;
    if (targetWindow !== '') {
        window.open(targetURL, targetWindow, 'toolbar=1,location=1,directories=1,status=1,menubar=1,scrollbars=1,resizable=1,width=600,height=500');
    } else {
        window.open(targetURL, '_top');
    }
}