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) {
page_02_Over = newImage("/images/page_02-Over.gif");
page_04_Over = newImage("/images/page_04-Over.gif");
page_06_Over = newImage("/images/page_06-Over.gif");
page_08_Over = newImage("/images/page_08-Over.gif");
page_10_Over = newImage("/images/page_10-Over.gif");
page_12_Over = newImage("/images/page_12-Over.gif");
page_18_Over = newImage("/images/page_18-Over.gif");
page_21_Over = newImage("/images/page_21-Over.gif");
page_22_Over = newImage("/images/page_22-Over.gif");
page_23_Over = newImage("/images/page_23-Over.gif");
page_24_Over = newImage("/images/page_24-Over.gif");
preloadFlag = true;
}
}