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) {
		DrumsForSale_On = newImage("../graphics/drums_11.jpg");
		DrumsForSale_Off = newImage("../graphics/drumsforsale_on.gif");
		drums_for_sale_on = newImage("../graphics/drums_12.jpg");
		drums_for_sale_off = newImage("../graphics/drums_for_sale.gif");
		CustomDrums_On = newImage("../graphics/drums_11.jpg");
		CustomDrums_Off = newImage("../graphics/drumsforsale_on.gif");
		custom_drums_on = newImage("../graphics/drums_12.jpg");
		custom_drums_off = newImage("../graphics/drums_for_sale.gif");
		Services_On = newImage("../graphics/drums_11.jpg");
		Services_Off = newImage("../graphics/drumsforsale_on.gif");
		our_services_on = newImage("../graphics/drums_12.jpg");
		our_services_off = newImage("../graphics/drums_for_sale.gif");
		preloadFlag = true;
	}
}