function newImage(arg) {
if (document.images) {
rslt = new Image();
rslt.src = arg;
return rslt;
}
}

function changeImages() {
if (document.images && (preloadFlag == true)) {
for (var i=0; i<changeImages.arguments.length; i+=2) {
document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
}
}
}

var preloadFlag = false;
function preloadImages() {
if (document.images) {
hnav1_over = newImage("/images/hnav1_over.gif");
hnav2_over = newImage("/images/hnav2_over.gif");
hnav3_over = newImage("/images/hnav3_over.gif");
hnav4_over = newImage("/images/hnav4_over.gif");
hnav5_over = newImage("/images/hnav5_over.gif");
butt1_over = newImage("/images/prodsservs_butt_over.gif");
butt2_over = newImage("/images/technology_butt_over.gif");
butt3_over = newImage("/images/testimonials_butt_over.gif");
butt4_over = newImage("/images/contentpart_butt_over.gif");
butt5_over = newImage("/images/aboutus_butt_over.gif");
preloadFlag = true;
}
}