* {
	padding: 0;
	margin: 0;
}

#container {
	width: 800px;
	height: 600px;
	margin: auto;
	background: url('weiche.gif') no-repeat top left;
}

#container a {
	display: block;
	width: 100%;
	height: 100%;
  text-indent: -9999px;
  outline: none;
}