if (document.images)
{
	topimg = new Image();
	topimg.src = "images/top.png";
	barimg = new Image();
	barimg.src = "images/bar.png";
	midimg = new Image();
	midimg.src = "images/mid.png";
	botimg = new Image();
	botimg.src = "images/bot.png";
	backimg = new Image();
	backimg.src = "images/background.png";
}