var menus = [
new ypSlideOutMenu("menu1", "down", 0, 2, 175, 325),
new ypSlideOutMenu("menu2", "down", 0, 2, 175, 325),
new ypSlideOutMenu("menu3", "down", 0, 2, 175, 325),
new ypSlideOutMenu("menu4", "down", 0, 2, 175, 325)]
   
    for (var i = 0; i < menus.length; i++) {
        menus[i].onactivate = new Function("document.getElementById('act" + (i+1) + "').className='active';");
        menus[i].ondeactivate = new Function("document.getElementById('act" + (i+1) + "').className='';");
    }