function loadMap() {
  if (GBrowserIsCompatible()) {
    mapDiv.style.background = '#fff';
    mapDiv.style.cursor = '';
    map = new GMap2(mapDiv, {logoPassive: true});
	
    bounds = new GLatLngBounds();
    for (var i = 0; i < businesses.length; i++) {
      bounds.extend(new GLatLng(businesses[i].lat, businesses[i].lng));
    }
    var latSpan = bounds.toSpan().lat();
    map.setCenter(bounds.getCenter(), 16);

    // The static map server gives markers more space when calculating
    // bounds and zoom level, so sometimes the API will give a higher
    // zoom level than was used by the static map server.
    // The .98 value is just a guess right now, may need tweaking.
    var newBounds = map.getBounds();
    var newLatSpan = newBounds.toSpan().lat();
    if (latSpan/newLatSpan > .90) { map.zoomOut(); }

    for (var i = 0; i < businesses.length; i++) {
      var marker = createMarker(i);
      var latlng = marker.getLatLng();
      var pixel = map.fromLatLngToDivPixel(latlng);
      if (Math.abs(pixel.x - clickedX) < 12 && Math.abs(pixel.y - clickedY) < 20) {
        //GEvent.trigger(marker, 'click');
      }
      map.addOverlay(marker);
    }
		map.addControl(new GLargeMapControl());
		map.addControl(new GMapTypeControl());
  }
}

/**
 * Zooms to the viewport that fits all the markers.
 */
function zoomToAll() {
  map.setCenter(bounds.getCenter(), 16);
}

/**
 * Creates a marker for the given business.
 * @param {Number} ind
 * @return {GMarker}
 */
function createMarker(ind) {
  var business = businesses[ind];
  var marker = new GMarker(new GLatLng(business.lat, business.lng));
  GEvent.addListener(marker, 'click', function() {
    marker.html = ['<b><a href="', business.link , '">', business.name, '</a></b><br />',
				'Br - ', business.bedrooms, ', Ba - ', business.bathrooms, ', Sleeps - ', business.sleeps, '.<br />',
                 business.street, '<br /> ', business.city, '<br />',
                '<img src="', business.thumb, '" />'].join('');
				//				

    currentMarker = marker;
    marker.openInfoWindowHtml(marker.html);
  });
  return marker;
}

/**
 * Formats business info into a URL-friendly version for maps url.
 * @param {Object} business
 * @return {String}
 */
function formatAddressForMaps(business) {
  var address = business.street + ' ' + business.city + ' ' + business.state + ' ' + business.zip;
  return escape(address.replace(' ', '+'));
}

/**
 * Convenience function for creating an element and assigning an id to it.
 * @param {String} elementType
 * @param {String} id
 * @return {Element} 
 */
function _cel(elementType, id) {
  var element = document.createElement(elementType);
  element.id = id;
  return element;
}

/**
 * Loads in the Maps API script. This is called after some sort of user interaction.
 * The script loads asynchronously and calls loadMap once it's in.
 */
function loadScript() {
  if (!isLoaded) {
    isLoaded = true;
    var div = document.createElement('div');
    div.className = 'message';
    div.innerHTML = 'Loading...';
    div.style.left = (500/2 - 53) + 'px';
    div.style.top = 500/2 + 'px'; 
    mapDiv.appendChild(div);
    var script = document.createElement('script');
    script.type = 'text/javascript';
    script.src = 'http://maps.google.com/maps?file=api&v=2.x' + 
                 '&async=2&callback=loadMap&key=' + system_google_api_key;
    document.body.appendChild(script);
  }
}

/**
 * Sets up the gadget by setting CSS and click events.
 */
function loadMapGadget() {
  containerDiv = document.getElementById('container');
  mapDiv = document.getElementById('map');

  loadScript();
  
  mapDiv.onclick = function (e) {
    clickedX = (window.event && window.event.offsetX) || e.clientX;
    clickedY = (window.event && window.event.offsetY) || e.clientY;
  };

  mapDiv.style.cursor = 'pointer';

  var urlString = ['http://maps.google.com/staticmap?markers='];
  var markerString = [];
  for (var i = 0; i < businesses.length; i++) {
    markerString.push(businesses[i].lat + ',' + businesses[i].lng + ',red');
  }
  urlString.push(markerString.join('|'));
  urlString.push('&size=500x500');
  urlString.push('&key=' + system_google_api_key);
  mapDiv.style.background = 'url(\'' + urlString.join('') + '\')';

}