function initialize() {
  var myOptions = {
    zoom: 9,
    center: new google.maps.LatLng(46.94,11.95),
    mapTypeId: google.maps.MapTypeId.ROADMAP,
	scrollwheel: false,
	streetViewControl: false,
	scaleControl: false,
	disableDoubleClickZoom: true,
	keyboardShortcuts: false,
	mapTypeControl: false
  }
  var map = new google.maps.Map(document.getElementById("map_canvas"),myOptions);

  setMarkers(map, orte);
}

var orte = [
  ['Prags', 46.721278,12.134556, 5],
  ['Niederdorf', 46.738072,12.172723, 4],
  ['Toblach', 46.735451,12.222497, 3],
  ['Innichen', 46.733907,12.280018, 2],
  ['Sexten', 46.702665,12.350317, 1]
];

function setMarkers(map, locations) {
  var image = new google.maps.MarkerImage('fileadmin/img/maps_pfeil.png',
      new google.maps.Size(20, 32),
      new google.maps.Point(0,0),
      new google.maps.Point(0, 32));
  var shadow = new google.maps.MarkerImage('fileadmin/img/maps_pfeil_shadow.png',
      new google.maps.Size(37, 32),
      new google.maps.Point(0,0),
      new google.maps.Point(0, 32));

  var shape = {
      coord: [1, 1, 1, 20, 18, 20, 18 , 1],
      type: 'poly'
  };
  for (var i = 0; i < locations.length; i++) {
    var ort = locations[i];
    var myLatLng = new google.maps.LatLng(ort[1], ort[2]);
    var marker = new google.maps.Marker({
        position: myLatLng,
        map: map,
        shadow: shadow,
        icon: image,
        shape: shape,
        title: ort[0],
        zIndex: ort[3]
    });
  }
}