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) {
//		main_www2003b_21_over = newImage("img/main-www2003b_21_over.jpg");
		main_www2003b_05_over = newImage("img/main-www2003b_05_over.gif");
		main_www2003b_07_over = newImage("img/main-www2003b_07_over.gif");
		main_www2003b_08_over = newImage("img/main-www2003b_08_over.gif");
		main_www2003b_09_over = newImage("img/main-www2003b_09_over.gif");
//		main_www2003b_21_over017 = newImage("img/main-www2003b_21_over-17.jpg");
		main_www2003b_12_over = newImage("img/main-www2003b_12_over.gif");
		main_www2003b_13_over = newImage("img/main-www2003b_13_over.gif");
//		main_www2003b_12_over023 = newImage("img/main-www2003b_12_over-23.gif");
		main_www2003b_14_over = newImage("img/main-www2003b_14_over.gif");
		main_www2003b_15_over = newImage("img/main-www2003b_15_over.gif");
		main_www2003b_16_over = newImage("img/main-www2003b_16_over.jpg");
		preloadFlag = true;
	}
}