homeImage_gif = new Image (34, 10);
homeImage_gif.src = "/_images/homeImage.gif";
homeImage_gifhighlighted = new Image (34, 10);
homeImage_gifhighlighted.src = "/_images/overhome.gif";

catalogueImage_gif = new Image (68, 10);
catalogueImage_gif.src = "/_images/catalogueImage.gif";
catalogueImage_gifhighlighted = new Image (68, 10);
catalogueImage_gifhighlighted.src = "/_images/overcatalogue.gif";

buyersImage_gif = new Image (47, 10);
buyersImage_gif.src = "/_images/buyersImage.gif";
buyersImage_gifhighlighted = new Image (47, 10);
buyersImage_gifhighlighted.src = "/_images/overbuyers.gif";

growersImage_gif = new Image (59, 10);
growersImage_gif.src = "/_images/growersImage.gif";
growersImage_gifhighlighted = new Image (59, 10);
growersImage_gifhighlighted.src = "/_images/overgrowers.gif";

profileImage_gif = new Image (49, 10);
profileImage_gif.src = "/_images/profileImage.gif";
profileImage_gifhighlighted = new Image (49, 10);
profileImage_gifhighlighted.src = "/_images/overprofile.gif";

aboutImage_gif = new Image (57, 10);
aboutImage_gif.src = "/_images/aboutImage.gif";
aboutImage_gifhighlighted = new Image (57, 10);
aboutImage_gifhighlighted.src = "/_images/overaboutnz.gif";

contactImage_gif = new Image (55, 10);
contactImage_gif.src = "/_images/CONTACT.gif";
contactImage_gifhighlighted = new Image (55, 10);
contactImage_gifhighlighted.src = "/_images/CONTACTOV001.gif";

function rollImage (imageName) {
	highlightedImage = eval (imageName + "highlighted.src");
	document[imageName].src = highlightedImage;
	} //rollImage
	
function unRollImage (imageName) {
	regularImage = eval (imageName + ".src");
	document[imageName].src = regularImage;
	} //unRollImage