function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		apbnav01_over = newImage("apgCustom/common/images/nav/apbnav01-over.gif");
		apbnav02_over = newImage("apgCustom/common/images/nav/apbnav02-over.gif");
		apbnav03_over = newImage("apgCustom/common/images/nav/apbnav03-over.gif");
		apbnav04_over = newImage("apgCustom/common/images/nav/apbnav04-over.gif");
		apbnav05_over = newImage("apgCustom/common/images/nav/apbnav05-over.gif");
		apbnav06_over = newImage("apgCustom/common/images/nav/apbnav06-over.gif");
		apbnav07_over = newImage("apgCustom/common/images/nav/apbnav07-over.gif");
		apbnav08_over = newImage("apgCustom/common/images/nav/apbnav08-over.gif");
		preloadFlag = true;
	}
}