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) {
		scrha3hdr_09_over = newImage("images/scrha3hdr_09-over.jpg");
		scrha3hdr_10_over = newImage("images/scrha3hdr_10-over.jpg");
		scrha3hdr_11_over = newImage("images/scrha3hdr_11-over.jpg");
		scrha3hdr_12_over = newImage("images/scrha3hdr_12-over.jpg");
		scrha3nav__02_over = newImage("images/scrha3nav__02-over.jpg");
		scrha3nav__03_over = newImage("images/scrha3nav__03-over.jpg");
		scrha3nav__04_over = newImage("images/scrha3nav__04-over.jpg");
		scrha3nav__05_over = newImage("images/scrha3nav__05-over.jpg");
		scrha3nav__06_over = newImage("images/scrha3nav__06-over.jpg");
		scrha3nav__07_over = newImage("images/scrha3nav__07-over.jpg");
		scrha3nav__08_over = newImage("images/scrha3nav__08-over.jpg");
		scrha3nav__09_over = newImage("images/scrha3nav__09-over.jpg");
		scrha3nav__10_over = newImage("images/scrha3nav__10-over.jpg");
		preloadFlag = true;
	}
}