//preload images:
a1 = new Image(155,38);
a1.src = "../images/img_home.gif";
a2 = new Image(123,35);
a2.src = "../images/img_home_swap.gif";
b1 = new Image(123,35);
b1.src = "../images/img_aboutus.gif";
b2 = new Image(123,35);
b2.src = "../images/img_aboutus_swap.gif";
c1 = new Image(123,35);
c1.src = "../images/img_products.gif";
c2 = new Image(123,35);
c2.src = "../images/img_products_swap.gif";
d1 = new Image(123,35);
d1.src = "../images/img_contact.gif";
d2 = new Image(123,35);
d2.src = "../images/img_contact_swap.gif";
e1 = new Image(123,35);
e1.src = "../images/img_fagents.gif";
e2 = new Image(123,35);
e2.src = "../images/img_fagents_swap.gif";
f1 = new Image(123,35);
f1.src = "../images/img_resources.gif";
f2 = new Image(123,35);
f2.src = "../images/img_resources_swap.gif";

//image swapping function:
function hiLite(imgDocID, imgObjName, comment) {
document.images[imgDocID].src = eval(imgObjName + ".src");
window.status = comment; return true;
}