var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		emtpghdr_03_over = newImage("images/emtpghdr_03-over.gif");
		emtpghdr_03_down = newImage("images/emtpghdr_03-down.gif");
		emtpghdr_06_over = newImage("images/emtpghdr_06-over.gif");
		emtpghdr_06_down = newImage("images/emtpghdr_06-down.gif");
		emtpghdr_08_over = newImage("images/emtpghdr_08-over.gif");
		emtpghdr_08_down = newImage("images/emtpghdr_08-down.gif");
		emtpghdr_10_over = newImage("images/emtpghdr_10-over.gif");
		emtpghdr_10_down = newImage("images/emtpghdr_10-down.gif");
		preloadFlag = true;
	}
}