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) {
		textured_header_01_over = newImage("images/textured_header_01-over.gif");
		textured_header_02_over = newImage("images/textured_header_02-over.gif");
		textured_header_03_over = newImage("images/textured_header_03-over.gif");
		textured_header_04_over = newImage("images/textured_header_04-over.gif");
		textured_header_05_over = newImage("images/textured_header_05-over.gif");
		textured_header_06_over = newImage("images/textured_header_06-over.gif");
		textured_header_07_over = newImage("images/textured_header_07-over.gif");
		textured_header_08_over = newImage("images/textured_header_08-over.gif");
		volley_master_01_volley_master_03_over = newImage("images/volley_master_01-volley_mas.gif");
		volley_master_02_volley_master_03_over = newImage("images/volley_master_02-volley_mas.gif");
		volley_master_03_over = newImage("images/volley_master_03-over.jpg");
		volley_master_04_volley_master_03_over = newImage("images/volley_master_04-volley_mas.gif");
		volley_master_05_volley_master_03_over = newImage("images/volley_master_05-volley_mas.gif");
		serve_master_01_serve_master_03_over = newImage("images/serve_master_01-serve_maste.gif");
		serve_master_02_serve_master_03_over = newImage("images/serve_master_02-serve_maste.gif");
		serve_master_03_over = newImage("images/serve_master_03-over.jpg");
		serve_master_04_serve_master_03_over = newImage("images/serve_master_04-serve_maste.gif");
		serve_master_05_serve_master_03_over = newImage("images/serve_master_05-serve_maste.gif");
		preloadFlag = true;
	}
}