function ACSnewImg(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function ACSswapImages(item,image) {
//alert(item);
var x = document.getElementById(item);
x.src=image;
}
var preloadFlag = false;

function preloadImages() {
	if (document.images) {
		mainNav_01_on = ACSnewImg('../images/mainNav_01-on.png');
		mainNav_03_on = ACSnewImg('../images/mainNav_03-on.png');
		mainNav_05_on = ACSnewImg('../images/mainNav_05-on.png');
		mainNav_07_on = ACSnewImg('../images/mainNav_07-on.png');
		mainNav_09_on = ACSnewImg('../images/mainNav_09-on.png');
		mainNav_11_on = ACSnewImg('../images/mainNav_11-on.png');
		mainNav_13_on = ACSnewImg('../images/mainNav_13-on.png');
		preloadFlag = true;
	}
}