homeon = new Image(134,23);
homeon.src = "images/home_btn.png";
homeoff = new Image(134,23);
homeoff.src = "images/home_btn2.png";

galleryon = new Image(134,22);
galleryon.src = "images/gallery_btn.png";
galleryoff = new Image(134,22);
galleryoff.src = "images/gallery_btn2.png";

contacton = new Image(134,38);
contacton.src = "images/contact_btn.png";
contactoff = new Image(134,38);
contactoff.src = "images/contact_btn2.png";

function rollOver(imgName,imgRollVar){
	document[imgName].src = eval(imgRollVar + ".src");
}