if (document.images) {
// START OF ROLLOVER FOR BUTTONS
    img1_off = new Image();
    img1_off.src = "images/home.gif";
    img1_on = new Image();
    img1_on.src = "images/home_on.gif";
	img2_off = new Image();
    img2_off.src = "images/aboutruby.gif";
    img2_on = new Image();
    img2_on.src = "images/aboutruby_on.gif";
	img3_off = new Image();
    img3_off.src = "images/services.gif";
    img3_on = new Image();
    img3_on.src = "images/services_on.gif";
	img4_off = new Image();
    img4_off.src = "images/contact.gif";
    img4_on = new Image();
    img4_on.src = "images/contact_on.gif";
	
}
function hiLite(imgDocID,imgObjName) {
        if (document.images) {
                document.images[imgDocID].src = eval(imgObjName + ".src");
        }
}
function gotoUrl(url) { location.href = url; 
}