var axel = Math.random() + "";
var ord = axel * 1000000000000000000;
	
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) {
		bb_tnav_updates_over = newImage("/repository/assets/bb/navigation/bb_tnav_updates_over.gif");
		bb_tnav_cast_over = newImage("/repository/assets/bb/navigation/bb_tnav_cast_over.gif");
		bb_tnav_news_over = newImage("/repository/assets/bb/navigation/bb_tnav_news_over.gif");
		bb_tnav_bts_over = newImage("/repository/assets/bb/navigation/bb_tnav_bts_over.gif");
		bb_tnav_history_over = newImage("/repository/assets/bb/navigation/bb_tnav_history_over.gif");
		bb_tnav_specials_over = newImage("/repository/assets/bb/navigation/bb_tnav_specials_over.gif");
		bb_tnav_style_over = newImage("/repository/assets/bb/navigation/bb_tnav_style_over.gif");
		bb_tnav_fun_over = newImage("/repository/assets/bb/navigation/bb_tnav_fun_over.gif");
		bb_tnav_international_over = newImage("/repository/assets/bb/navigation/bb_tnav_international_over.gif");
		preloadFlag = true;
	}
}