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) {
		skydive_delaware_05_over = newImage("images/skydive_delaware_05-over.jpg");
		skydive_delaware_06_over = newImage("images/skydive_delaware_06-over.jpg");
		skydive_delaware_07_over = newImage("images/skydive_delaware_07-over.jpg");
		skydive_delaware_08_over = newImage("images/skydive_delaware_08-over.jpg");
		skydive_delaware_09_over = newImage("images/skydive_delaware_09-over.jpg");
		skydive_delaware_10_over = newImage("images/skydive_delaware_10-over.jpg");
		skydive_delaware_11_over = newImage("images/skydive_delaware_11-over.jpg");
		preloadFlag = true;
	}
}