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;
if (document.images) {
	navbar_Secondary_over = newImage("images/navbar_Secondary-over.gif");
	navbar_Button_1_over = newImage("images/navbar_Button-1-over.gif");
	navbar_Button_2_over = newImage("images/navbar_Button-2-over.gif");
	navbar_Button_3_over = newImage("images/navbar_Button-3-over.gif");
	navbar_Button_4_over = newImage("images/navbar_Button-4-over.gif");
	preloadFlag = true;
}