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) {
		navbsq201111on_01 = newImage("images/navbsq201111on_01.jpg");
		navbsq201111on_02 = newImage("images/navbsq201111on_02.jpg");
		navbsq201111on_03 = newImage("images/navbsq201111on_03.jpg");
		navbsq201111on_04 = newImage("images/navbsq201111on_04.jpg");
		navbsq201111on_05 = newImage("images/navbsq201111on_05.jpg");
		navbsq201111on_06 = newImage("images/navbsq201111on_06.jpg");
		navbsq201111on_07 = newImage("images/navbsq201111on_07.jpg");
		navbsq201111on_08 = newImage("images/navbsq201111on_08.jpg");
		navbsq201111on_09 = newImage("images/navbsq201111on_09.jpg");
		preloadFlag = true;
	}
}