function newImage(arg) {	if (document.images) {		rslt = new Image();		rslt.src = arg;		return rslt;	}}function changeImages(imgName, b) {	if (document.images && (preloadFlag == true)) {		document[imgName].src = b;		}}var preloadFlag = false;function preloadImages() {	if (document.images) {		over_01 = newImage("images/menu/1_over.gif");		over_02 = newImage("images/menu/2_over.gif");		over_03 = newImage("images/menu/3_over.gif");		over_04 = newImage("images/menu/4_over.gif");		over_05 = newImage("images/menu/5_over.gif");		over_06 = newImage("images/menu/6_over.gif");				norm_01 = newImage("images/menu/1_norm.gif");		norm_02 = newImage("images/menu/2_norm.gif");		norm_03 = newImage("images/menu/3_norm.gif");		norm_04 = newImage("images/menu/4_norm.gif");		norm_05 = newImage("images/menu/5_norm.gif");		norm_06 = newImage("images/menu/6_norm.gif");		preloadFlag = true;	}}preloadImages()