var starttexthtml = '<div id="googletooltip">e.velope GmbH<br/>Max-Brauer-Allee 218<br/>22769 Hamburg</div>';

function anfahrtkarte() {
  if (GBrowserIsCompatible()) {
	var map = new GMap2(document.getElementById("map"));
	map.setCenter(new GLatLng(53.5622086,9.9573791), 15);
  	//Navigation
	map.addControl(new GLargeMapControl());
	map.addControl(new GMapTypeControl());
	//Marker
	var point = new GLatLng(53.5622086,9.9573791);
	var firmaMarker = new GMarker(point);
	map.addOverlay(firmaMarker);
	GEvent.addListener(firmaMarker, "click", function() {
		firmaMarker.openInfoWindowHtml(starttexthtml);
													  });
  } else {
	  alert("e.velope GmbH, Max-Brauer-Allee 218, 22769 Hamburg");
  }
  
}