var imageRoot = '/Cobrander/NorwoodBank/Custom/';
var preloadFlag = false;

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 = imageRoot + changeImages.arguments[i+1];
		}
	}
}

function preloadImages() {
	if (document.images) {
		home_o = newImage(imageRoot + "bt_home_o.gif");
		about_o = newImage(imageRoot + "bt_about_o.gif");
		community_o = newImage(imageRoot + "bt_community_o.gif");
		contact_o = newImage(imageRoot + "bt_contact_o.gif");
		customer_o = newImage(imageRoot + "bt_customer_o.gif");

		preloadFlag = true;
	}
}