normal_image = new Image();
normal_image.src = "skins/skin_1/images/tab_our_storefornt_hover.jpg";

mouseover_image = new Image();
mouseover_image.src = "skins/skin_1/images/tab_our_storefornt.jpg";


normal2_image = new Image();
normal2_image.src = "skins/skin_1/images/tab_store_owners_hover.jpg";

mouseover2_image = new Image();
mouseover2_image.src = "skins/skin_1/images/tab_store_owners.jpg";


normal3_image = new Image();
normal3_image.src = "skins/skin_1/images/tab_developer_hover.jpg";

mouseover3_image = new Image();
mouseover3_image.src = "skins/skin_1/images/tab_developer.jpg";

normal4_image = new Image();
normal4_image.src = "skins/skin_1/images/tab_partners_hover.jpg";

mouseover4_image = new Image();
mouseover4_image.src = "skins/skin_1/images/tab_partners.jpg";

normal5_image = new Image();
normal5_image.src = "skins/skin_1/images/tab_marketplace_hover.jpg";

mouseover5_image = new Image();
mouseover5_image.src = "skins/skin_1/images/tab_marketplace.jpg";

normal6_image = new Image();
normal6_image.src = "skins/skin_1/images/tab_ebusiness_hover.jpg";

mouseover6_image = new Image();
mouseover6_image.src = "skins/skin_1/images/tab_ebusiness.jpg";

<!-- TAB TOP JAVASCRIPt -->

about_image = new Image();
about_image.src = "skins/skin_1/images/about2.jpg";

mouseover_about_image = new Image();
mouseover_about_image.src = "skins/skin_1/images/about1.jpg";

news_image = new Image();
news_image.src = "skins/skin_1/images/news2.jpg";

mouseover_news_image = new Image();
mouseover_news_image.src = "skins/skin_1/images/news1.jpg";


freetrial_image = new Image();
freetrial_image.src = "skins/skin_1/images/freetrial2.jpg";

mouseover_freetrial_image = new Image();
mouseover_freetrial_image.src = "skins/skin_1/images/freetrial1.jpg";

gallery_image = new Image();
gallery_image.src = "skins/skin_1/images/gallery2.jpg";

mouseover_gallery_image = new Image();
mouseover_gallery_image.src = "skins/skin_1/images/gallery1.jpg";


products_image = new Image();
products_image.src = "skins/skin_1/images/products2.jpg";

mouseover_products_image = new Image();
mouseover_products_image.src = "skins/skin_1/images/products1.jpg";

features_image = new Image();
features_image.src = "skins/skin_1/images/features2.jpg";

mouseover_features_image = new Image();
mouseover_features_image.src = "skins/skin_1/images/features1.jpg";


downloads_image = new Image();
downloads_image.src = "skins/skin_1/images/downloads2.jpg";

mouseover_downloads_image = new Image();
mouseover_downloads_image.src = "skins/skin_1/images/downloads1.jpg";

sitemap_image = new Image();
sitemap_image.src = "skins/skin_1/images/sitemap2.jpg";

mouseover_sitemap_image = new Image();
mouseover_sitemap_image.src = "skins/skin_1/images/sitemap1.jpg";

contact_image = new Image();
contact_image.src = "skins/skin_1/images/contact2.jpg";

mouseover_contact_image = new Image();
mouseover_contact_image.src = "skins/skin_1/images/contact1.jpg";



<!-- repeat the 4 lines above for any subsequent images. -->

function swap(){
if (document.images){
for (var x=0;
x<swap.arguments.length;
x+=2) {
document[swap.arguments[x]].src = eval(swap.arguments[x+1] + ".src");
}
}
}