function newImage(arg) {
  if (document.images) {
    rslt = new Image();
    rslt.src = arg;
    return rslt;
  }
}

function changeImages() {
  if (document.images && (preloadFlag == true)) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
    }
  }
}

var preloadFlag = false;
function preloadImages() {
  if (document.images) {
    as_over = newImage("images/sp/aboutus_over.jpg");
    newhome_buyer_over = newImage("images/sp/newhome_b_over.jpg");
    dealer_pro_over = newImage("images/sp/dealer_pro_over.jpg");
    products_over = newImage("images/sp/products_over.jpg");
    csr_over = newImage("images/sp/csr_over.jpg");
    advantage_over = newImage("images/sp/advantage_over.jpg");
    qquote_over = newImage("images/quote_over.gif");
    preloadFlag = true;
  }
}

	var menus = [
		new ypSlideOutMenu("menu1", "down", 45, 122, 150, 60),
		new ypSlideOutMenu("menu2", "down", 140, 122, 170, 110),
		new ypSlideOutMenu("menu3", "down", 340, 122, 145, 97),
		new ypSlideOutMenu("menu4", "down", 485, 122, 170, 120),
		new ypSlideOutMenu("menu5", "down", 630, 120, 130, 97)
	]

	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='';");
	}