var image1 = new Image();
image1.src = "images/links_company.gif";
var image2 = new Image();
image2.src = "images/links_company_over.gif";
var image3 = new Image();
image3.src = "images/links_home.gif";
var image4 = new Image();
image4.src = "images/links_home_over.gif";
var image5 = new Image();
image5.src = "images/links_support.gif";
var image6 = new Image();
image6.src = "images/links_support_over.gif";
var image7 = new Image();
image7.src = "images/links_webhosting_over.gif";
var image8 = new Image();
image8.src = "images/links_webhosting_over.gif";
var image9 = new Image();
image9.src = "images/links_contact.gif";
var image10 = new Image();
image10.src = "images/links_contact_over.gif";
var image11 = new Image();
image11.src = "images/links_getstarted_over.gif";
var image12 = new Image();
image12.src = "images/links_getstarted_over.gif";

function roll(img_name, img_src) {
	document[img_name].src = img_src;
}