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) {
		btn_accueil_over = newImage("images/menu/btn-accueil-over.gif");
		btn_se_rapprocher_over = newImage("images/menu/btn-se-rapprocher-over.gif");
		btn_information_generale_over = newImage("images/menu/btn-information-generale-over.gif");
		btn_amenagement_service_over = newImage("images/menu/btn-amenagement-service-over.gif");
		btn_votre_studio_over = newImage("images/menu/btn-votre-studio-over.gif");
		btn_contactez_nous_over = newImage("images/menu/btn-contactez-nous-over.gif");
		btn_photographies_over = newImage("images/menu/btn-photographies-over.gif");
		preloadFlag = true;
	}
}

// -->