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) {
		gifts_over = newImage("images/main/gifts-over.jpg");
		acc_over = newImage("images/main/acc-over.jpg");
		organizers_over = newImage("images/main/organizers-over.jpg");
		diaries_over = newImage("images/main/diaries-over.jpg");
		planners_over = newImage("images/main/planners-over.jpg");
		calendars_over = newImage("images/main/calendars-over.jpg");
		journals_over = newImage("images/main/journals-over.jpg");
		notebooks_over = newImage("images/main/notebooks-over.jpg");
		preloadFlag = true;
	}
}