function menu_toggle(element_name, image_name)
{
    if (document.getElementById)
    {
        var element = document.getElementById(element_name).style;
        if (element.display == "block")
        {
            element.display = "none";
            document[image_name].src = '/images/services/center_for_women/menu/arrow_off.gif';
        }
        else
        {
            element.display = "block";
            document[image_name].src = '/images/services/center_for_women/menu/arrow_over.gif';
        }
        return false;
    }
    else
    {
        return true;
    }
}