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) {

topover = new Image("/images/top-over.gif" );
closebover = new Image("/images/close-over.gif");
btopover = newImage("/images/top-over.gif");
bcloseover = newImage("/images/close-over.gif");
// bviewover = newImage("/images/bviewover.gif");
// bdetailsover = newImage("/images/bdetailsover.gif");
// bmoreover = newImage("/images/bmoreover.gif");
// mshcover = newImage("/images/mshcover.gif");
// blinkover = newImage("/images/blinkover.gif");

preloadFlag = true;
}
}