#map_canvas {
	width: 520px; 
	height: 385px; 
	border: 1px solid black;
}

a.iframelink {
	position:absolute;
	display:block;
	top:0px;
	left:0px;
	width:520px; 
	height:385px; 
	background: url(http://www.ligist.info/wandern-steiermark/upload/design/pix.gif);
}