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) {
		front_09_front_27_over = newImage("images/front_09-front_27_over.jpg");
		front_09_front_34_over = newImage("images/front_09-front_34_over.jpg");
		front_09_front_41_over = newImage("images/front_09-front_41_over.jpg");
		front_09_front_44_over = newImage("images/front_09-front_44_over.jpg");
		front_09_front_50_over = newImage("images/front_09-front_50_over.jpg");
		front_09_front_56_over = newImage("images/front_09-front_56_over.jpg");
		front_09_front_62_over = newImage("images/front_09-front_62_over.jpg");
		front_09_front_20_over = newImage("images/front_09-front_20_over.jpg");
		front_16_front_34_over = newImage("images/front_16-front_34_over.jpg");
		front_16_front_41_over = newImage("images/front_16-front_41_over.jpg");
		front_20_over = newImage("images/front_20-over.jpg");
		front_27_over = newImage("images/front_27-over.jpg");
		front_34_over = newImage("images/front_34-over.jpg");
		front_39_over = newImage("images/front_39-over.jpg");
		front_41_over = newImage("images/front_41-over.jpg");
		front_44_over = newImage("images/front_44-over.jpg");
		front_50_over = newImage("images/front_50-over.jpg");
		front_56_over = newImage("images/front_56-over.jpg");
		front_62_over = newImage("images/front_62-over.jpg");
		preloadFlag = true;
	}
}