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) {
home_nav_about_over = newImage("elements/images/home_nav_about_over.gif");
home_nav_swap_over_home_nav_about = newImage("elements/images/home_nav_swap_over_home_nav_about.jpg");
home_nav_swap_over_home_nav_stroke = newImage("elements/images/home_nav_swap_over_home_nav_stroke.jpg");
home_nav_swap_over_home_nav_recovery = newImage("elements/images/home_nav_swap_over_home_nav_recovery.jpg");
home_nav_swap_over_home_nav_legal = newImage("elements/images/home_nav_swap_over_home_nav_legal.jpg");
home_nav_swap_over_home_nav_talk = newImage("elements/images/home_nav_swap_over_home_nav_talk.jpg");
home_nav_stroke_over = newImage("elements/images/home_nav_stroke_over.gif");
home_nav_recovery_over = newImage("elements/images/home_nav_recovery_over.gif");
home_nav_legal_over = newImage("elements/images/home_nav_legal_over.gif");
home_nav_talk_over = newImage("elements/images/home_nav_talk_over.gif");
preloadFlag = true;
}
}