var map;
function createMarker(point, text) {
  var marker = new GMarker(point);
  GEvent.addListener(marker, "click", function() {
    marker.openInfoWindowHtml(text);
  });
  return marker;
}
function wheelZoom(e) { if ((e.detail || -e.wheelDelta) < 0) map.zoomIn(); else map.zoomOut(); if (e.preventDefault) e.preventDefault(); else e.returnValue = false; }
function loadMap() {
  if (GBrowserIsCompatible()) {
    var mapEl = document.getElementById("map");
    map = new GMap2(mapEl);
    map.addControl(new GLargeMapControl());
    map.addControl(new GScaleControl());
    map.enableContinuousZoom();
    map.enableDoubleClickZoom();
    GEvent.addDomListener(mapEl, "DOMMouseScroll", wheelZoom);
    GEvent.addDomListener(mapEl, "mousewheel", wheelZoom);
    var point = new GLatLng(-36.375280, 174.677231);
    map.setCenter(point, 13);
      var text = "<a href='showpicture.php?pic=cedar14'><img src='images/cedar14_s.jpg' alt='Cedarhouse B&B' class='logo' width='100' height='75'/></a><b>Cedarhouse B&amp;B</b><br/><span style='font-size:90%;'>450 Matakana Road<br/>Warkworth<br/>New Zealand</span>";
    var marker = createMarker(point, text);
    map.addOverlay(marker);
    marker.openInfoWindowHtml(text);
  }
}