var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		menu2_05_over = newImage("images/menu2_05-over.jpg");
		menu2_07_over = newImage("images/menu2_07-over.jpg");
		menu2_09_over = newImage("images/menu2_09-over.jpg");
		menu2_11_over = newImage("images/menu2_11-over.jpg");
		
		preloadFlag = true;
	}
}