function changeImg(dest) {
	var neu = new Image();
	neu.src=dest;
	document.getElementById('pic').innerHTML = '<img name="map2" src="http://www.schluesseldienst-dw.de/' + neu.src + '" width="250" height="350" border="0" id="map2" usemap="#m_map2" alt="" />';
	}
	function changeImg2() {
  document.getElementById('pic').style.background = 'none';
	document.getElementById('pic').innerHTML = '<img name="map2" src="http://www.schluesseldienst-dw.de/deutschland/map.gif" width="250" height="350" border="0" id="map2" usemap="#m_map2" alt="" />';

	}