function initGoogleMap()
{
  var H_Loc = new google.maps.LatLng (48.181862, 16.357382);
  var myOptions = { zoom: 15, center: H_Loc, mapTypeId: google.maps.MapTypeId.ROADMAP };
  var H_Map = new google.maps.Map (document.getElementById('googleMap'), myOptions);
  var H_Img = new google.maps.MarkerImage ('http://www.kinderarzt-herzel.at/gfx/lay/herzerl.png', new google.maps.Size (50,50), new google.maps.Point(0,0), new google.maps.Point(23,36));
  var H_Shd = new google.maps.MarkerImage ('http://www.kinderarzt-herzel.at/gfx/lay/schatten.png', new google.maps.Size (50,50), new google.maps.Point(0,0), new google.maps.Point(23,36));
  var H_Mrk = new google.maps.Marker ({ position: H_Loc, map: H_Map, shadow: H_Shd, icon: H_Img });
}