//ChangeImages

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) {
		on = newImage("graphics/butn-introduction-r.gif");
		on = newImage("graphics/butn-sikorskys38-r.gif");
		on = newImage("graphics/butn-sikorskys39-r.gif");
                on = newImage("graphics/butn-fullscaledoc-r.gif");
		on = newImage("graphics/butn-dornierwal-r.gif");
		on = newImage("graphics/butn-savoiamarchetti-r.gif");
		on = newImage("graphics/butn-apcprops-r.gif");
                on = newImage("graphics/butn-astro-r.gif");
		on = newImage("graphics/butn-bergreceivers-r.gif");
                on = newImage("graphics/butn-etech-r.gif");
                on = newImage("graphics/butn-hitec-r.gif");
                on = newImage("graphics/butn-thunderpower-r.gif");
		on = newImage("graphics/butn-toledoexpo-r.gif");
		on = newImage("graphics/butn-midamelecfly-r.gif");
		on = newImage("graphics/butn-mwrfloatfly-r.gif");
		on = newImage("graphics/butn-neatfair-r.gif");
		on = newImage("graphics/butn-feedback-r.gif");
		on = newImage("../graphics/butn-intro-r.gif");
		on = newImage("../graphics/butn-awards-r.gif");
		on = newImage("../graphics/butn-constr-r.gif");
		on = newImage("../graphics/butn-flying-r.gif");
		on = newImage("../graphics/butn-packages-r.gif");
		on = newImage("../graphics/butn-photos-r.gif");
                on = newImage("../graphics/butn-astrlith-r.gif");
                on = newImage("../graphics/butn-astrmotor-r.gif");
                on = newImage("../graphics/butn-astrnicd-r.gif");
                on = newImage("../graphics/butn-astrwhatt-r.gif");
                on = newImage("../graphics/butn-berg4dsp-r.gif");
		on = newImage("../graphics/butn-berg5dsp-r.gif");
		on = newImage("../graphics/butn-berg6g3-r.gif");
		on = newImage("../graphics/butn-berg9xp-r.gif");
                on = newImage("../graphics/butn-hitecmini-r.gif");
                on = newImage("../graphics/butn-hitecstd-r.gif");
                on = newImage("../graphics/butn-hitecperf-r.gif");
                on = newImage("../graphics/butn-hitecspecs-r.gif");
		on = newImage("../graphics/butn-prices-r.gif");
                on = newImage("../graphics/butn-s38osa-r.gif");
		on = newImage("../graphics/butn-s3950v-r.gif");
		on = newImage("../graphics/butn-s39cap-r.gif");
		on = newImage("../graphics/butn-s39igor-r.gif");
		on = newImage("../graphics/butn-packages-r.gif");
                on = newImage("../graphics/butn-12thscalephotos-r.gif");
                on = newImage("../graphics/butn-6thscalephotos-r.gif");
                on = newImage("../graphics/butn-prevyear-r.gif");
                on = newImage("../graphics/butn-shoppingcart-r.gif");
                on = newImage("../graphics/butn-howtobuy-r.gif");
		preloadFlag = true;
	}
}