function normRoll(imgname, imgsrc) {
	imgsrc = "img/" + imgsrc;
    document.images[imgname].src = imgsrc;
    return true;
}

new ypSlideOutMenu("menu1", "down", 5, 35, 170, 41)
new ypSlideOutMenu("menu2", "down", 114, 35, 170, 101)
new ypSlideOutMenu("menu3", "down", 438, 35, 170, 101)
new ypSlideOutMenu("menu4", "down", 546, 35, 170, 41)
ypSlideOutMenu.writeCSS();