var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		left1_over = newImage("/submenu/projekte/left1-over.gif");
		left2_over = newImage("/submenu/projekte/left2-over.gif");
		left3_over = newImage("/submenu/projekte/left3-over.gif");
		left4_over = newImage("/submenu/projekte/left4-over.gif");
		left5_over = newImage("/submenu/projekte/left5-over.gif");
		preloadFlag = true;
	}
}