if((version=="n3")||(version=="i4")) {

homeon = new Image(); homeon.src="images/buttons/home_button_over.jpg";
homeoff = new Image(); homeoff.src="images/buttons/home_button.jpg";
abouton = new Image(); abouton.src="images/buttons/about_button_over.jpg";
aboutoff = new Image(); aboutoff.src="images/buttons/about_button.jpg";
productson = new Image(); productson.src="images/buttons/products_button_over.jpg";
productsoff = new Image(); productsoff.src="images/buttons/products_button.jpg";
orderformon = new Image(); orderformon.src="images/buttons/orderform_button_over.jpg";
orderformoff = new Image(); orderformoff.src="images/buttons/orderform_button.jpg";
gifton = new Image(); gifton.src="images/buttons/gift_button_over.jpg";
giftoff = new Image(); giftoff.src="images/buttons/gift_button.jpg";
guaranteeon = new Image(); guaranteeon.src="images/buttons/guarantee_button_over.jpg";
guaranteeoff = new Image(); guaranteeoff.src="images/buttons/guarantee_button.jpg";
linkson = new Image(); linkson.src="images/buttons/links_button_over.jpg";
linksoff = new Image(); linksoff.src="images/buttons/links_button.jpg";
emailon = new Image(); emailon.src="images/buttons/email_button_over.jpg";
emailoff = new Image(); emailoff.src="images/buttons/email_button.jpg";
shipon = new Image(); shipon.src="images/buttons/ship_button_over.jpg";
shipoff = new Image(); shipoff.src="images/buttons/ship_button.jpg";
dealon = new Image(); dealon.src="images/buttons/deal_button_over.jpg";
dealoff = new Image(); dealoff.src="images/buttons/deal_button.jpg";
searchon = new Image(); searchon.src="images/buttons/search_button_over.jpg";
searchoff = new Image(); searchoff.src="images/buttons/search_button.jpg";
sitemapon = new Image(); sitemapon.src="images/buttons/site_map_over.jpg";
sitemapoff = new Image(); sitemapoff.src="images/buttons/site_map.jpg";
}
function img_act(imgName)
{
if((version=="n3")||(version=="i4")) {
imgOn = eval(imgName + "on.src");
document [imgName].src = imgOn;
}
}

function img_inact(imgName)
{
if((version=="n3")||(version=="i4")) {
imgOff = eval(imgName + "off.src");
document [imgName].src = imgOff;
}
}