function toggle(targetId, menu_set) {
    var target1 = document.getElementById(targetId + menu_set);
    var target2 = document.getElementById(targetId + 'img' + menu_set);
    
    if (target1.style.display == 'none') {
        target1.style.display = '';
        target2.src = "http://www.houserepairandcare.com/media/img/menu/open.gif";
    } else {
        target1.style.display = 'none';
        target2.src = "http://www.houserepairandcare.com/media/img/menu/close.gif";
    }
    return false;
}