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) {
		side2a_9 = newImage("images/side/side2a-9.jpg");
		side2a_10 = newImage("images/side/side2a-10.jpg");
		side2a_11 = newImage("images/side/side2a-11.jpg");
		side2a_12 = newImage("images/side/side2a-12.jpg");
		side2a_13 = newImage("images/side/side2a-13.jpg");
		side2a_14 = newImage("images/side/side2a-14.jpg");
		preloadFlag = true;
	}
}