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) {
		title_features_over = newImage("images/title_features_over.jpg");
		title_departments_over = newImage("images/title_departments_over.jpg");
		title_magazine_over = newImage("images/title_magazine_over.jpg");
		title_editor_over = newImage("images/title_editor_over.jpg");
		title_ask_chris_over = newImage("images/title_ask_chris_over.jpg");
		title_critic_over = newImage("images/title_critic_over.jpg");
		website_by_over = newImage("images/website_by_over.gif");
		current_issue_over = newImage("images/current_issue_over.gif");
		archive_over = newImage("images/archive_over.gif");
		module_shop_over = newImage("images/module_shop_over.jpg");
		module_do_over = newImage("images/module_do_over.jpg");
		module_eat_over = newImage("images/module_eat_over.jpg");
		preloadFlag = true;
	}
}