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) {
corner_chrono = newImage("/crc/images/corner_chrono.gif");
corner_video = newImage("/crc/images/corner_video.gif");
corner_forum = newImage("/crc/images/corner_forum.gif");
corner_resources = newImage("/crc/images/corner_resources.gif");
corner_about = newImage("/crc/images/corner_about.gif");
corner_home = newImage("/crc/images/corner_home.gif");
home_over = newImage("/crc/images/home_over.gif");
chrono_over = newImage("/crc/images/chrono_over.gif");
video_over = newImage("/crc/images/video_over.gif");
forum_over = newImage("/crc/images/forum_over.gif");
resources_over = newImage("/crc/images/resources_over.gif");
about_over = newImage("/crc/images/about_over.gif");
contact_over = newImage("/crc/images/contact_over.gif");
credits_over = newImage("/crc/images/credits_over.gif");
copyright_over = newImage("/crc/images/copyright_over.gif");
lnks_over = newImage("/crc/images/lnks_over.gif");
essays_over = newImage("/crc/images/essays_over.gif");
bio_over = newImage("/crc/images/bio_over.gif");
pubs_over = newImage("/crc/images/pubs_over.gif");
pics_over = newImage("/crc/images/pics_over.gif");
glossary_over = newImage("/crc/images/glossary_over.gif");
video2_over = newImage("/crc/images/video2_over.gif");
audio_over = newImage("/crc/images/audio_over.gif");
enter_over = newImage("/crc/images/enter_over.gif");
no_accept_over = newImage("/crc/images/no_accept_over.gif");
accept_over = newImage("/crc/images/accept_over.gif");
back_on = newImage("/crc/images/back_on.gif");
fwd_on = newImage("/crc/images/fwd_on.gif");
search_over = newImage("/crc/images/search_over.gif");
faq_over = newImage("/crc/images/faq_over.gif");
register_over = newImage("/crc/images/register_over.gif");
login_over = newImage("/crc/images/login_over.gif");
logout_over = newImage("/crc/images/logout_over.gif");
preloadFlag = true;
}
}