var menus = [ // CSS for left, top, width, height new ypSlideOutMenu("menu1", "down", 206, 115, 158, 21), new ypSlideOutMenu("menu2", "down", 363, 115, 126, 63), new ypSlideOutMenu("menu3", "down", 625, 115, 90, 63), ] for (var i = 0; i < menus.length; i++) { menus[i].onactivate = new Function("document.getElementById('act" + i + "').className='active';"); menus[i].ondeactivate = new Function("document.getElementById('act" + i + "').className='';"); }