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) {
		in_img_03_over = newImage("images/in_img_03-over.jpg");
		in_img_04_over = newImage("images/in_img_04-over.jpg");
		in_img_05_over = newImage("images/in_img_05-over.jpg");
		in_img_06_over = newImage("images/in_img_06-over.jpg");
		in_img_07_over = newImage("images/in_img_07-over.jpg");
		in_img_08_over = newImage("images/in_img_08-over.jpg");
		in_img_09_over = newImage("images/in_img_09-over.jpg");
		in_img_10_over = newImage("images/in_img_10-over.jpg");
		in_img_12_over = newImage("images/in_img_12-over.jpg");
		in_img_13_over = newImage("images/in_img_13-over.jpg");
		in_img_14_over = newImage("images/in_img_14-over.jpg");
		in_img_15_over = newImage("images/in_img_15-over.jpg");
		in_img_16_over = newImage("images/in_img_16-over.jpg");
		in_img_17_over = newImage("images/in_img_17-over.jpg");
		preloadFlag = true;
	}
}