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) {

		oc_1_04_over = newImage("images/oc_1_04-over.gif");
		oc_1_05_over = newImage("images/oc_1_05-over.gif");
		oc_1_06_over = newImage("images/oc_1_06-over.gif");
		oc_1_07_over = newImage("images/oc_1_07-over.gif");
		oc_1_08_over = newImage("images/oc_1_08-over.gif");

		oc_3_01_over = newImage("images/oc_3_01-over.gif");
		oc_3_02_over = newImage("images/oc_3_02-over.gif");
		oc_3_03_over = newImage("images/oc_3_03-over.gif");
		oc_3_04_over = newImage("images/oc_3_04-over.gif");
		oc_3_05_over = newImage("images/oc_3_05-over.gif");
		preloadFlag = true;

		order_here_01_over = newImage("images/order_here_01-over.gif");
		preloadFlag = true;
	}
}