var map;
    var geocoder;
	var startAdd;

    function load() {
      if (GBrowserIsCompatible()) {
        geocoder = new GClientGeocoder();
        map = new GMap2(document.getElementById('map'));
        map.addControl(new GSmallMapControl());
        map.addControl(new GMapTypeControl());
        map.setCenter(new GLatLng(42.357022,-71.063004), 12);
      }
    }

   function searchLocations() {
     var address = startAdd = document.getElementById('addressInput').value;
     geocoder.getLatLng(address, function(latlng) {
       if (!latlng) {
         alert(address + ' not found');
       } else {
         searchLocationsNear(latlng);
       }
     });
   }

	function ischecked(box){
		if(document.getElementById(box).checked){
			return 1;
		}
		else{
			return 0;
		}
	}

   function searchLocationsNear(center) {
     var radius = document.getElementById('radiusSelect').value;
	 var input_search_drink = document.getElementById('input_search_drink').value;
	 var input_search_type = document.getElementById('input_search_type').value;
	 var cbBeer = ischecked('cbBeer');
	 var cbWine = ischecked('cbWine');
	 var cbLiquor = ischecked('cbLiquor');
	 var cbMixers = ischecked('cbMixers');
	 var cbKegs = ischecked('cbKegs');
     var searchUrl = 'phpsqlsearch_genxml.php?lat=' + center.lat() + '&lng=' + center.lng() + '&input_search_drink=' + input_search_drink + '&input_search_type=' + input_search_type+ '&cbBeer=' + cbBeer + '&cbLiquor=' + cbLiquor + '&cbWine=' + cbWine + '&cbMixers=' + cbMixers + '&cbKegs=' + cbKegs + '&radius=' + radius ;
     GDownloadUrl(searchUrl, function(data) {
       var xml = GXml.parse(data);
       var markers = xml.documentElement.getElementsByTagName('marker');
       map.clearOverlays();

       var sidebar = document.getElementById('sidebar');
       sidebar.innerHTML = '';
       if (markers.length == 0) {
         sidebar.innerHTML = 'No results found.';
         return;
       }

       var bounds = new GLatLngBounds();
       for (var i = 0; i < markers.length; i++) {
         var name = markers[i].getAttribute('name');
         var address = markers[i].getAttribute('address');
		 var type = markers[i].getAttribute('type');
		 var phone = markers[i].getAttribute('phone');
		 var website = markers[i].getAttribute('website');
		 var id = markers[i].getAttribute('id');
         var distance = parseFloat(markers[i].getAttribute('distance'));
         var point = new GLatLng(parseFloat(markers[i].getAttribute('lat')),
                                 parseFloat(markers[i].getAttribute('lng')));
         
         var marker = createMarker(point, name, address, type, phone, website, id);
         map.addOverlay(marker);
         var sidebarEntry = createSidebarEntry(marker, name, address, distance, type, phone, website);
         sidebar.appendChild(sidebarEntry);
         bounds.extend(point);
       }
       map.setCenter(bounds.getCenter(), map.getBoundsZoomLevel(bounds));
     });
   }

    function createMarker(point, name, address, type, phone, website, id) {
      var marker = new GMarker(point);
      var html = '<b>' + name + '</b> <br/>'+ type + '<br/>' + address + ' <br/>' + '<a href="stores.php?id=' + id + '">More Details</a><a href="http://maps.google.com/maps?saddr=' + startAdd + '&daddr=' + address + '" target="_blank"> &brvbar; Get Directions</a>';
      GEvent.addListener(marker, 'click', function() {
        marker.openInfoWindowHtml(html);
      });
      return marker;
    }

    function createSidebarEntry(marker, name, address, distance, type, phone, website) {
      var div = document.createElement('div');
      var html = '<b>' + name + '</b> (' + distance.toFixed(1) + ')<br/>' + type + '<br/>' + address + '<br/>' + phone + ' <br/>' + '<a href="http://' + website + '"  target="_blank">' + website + '</a> <br/>';
      div.innerHTML = html;
      div.style.cursor = 'pointer';
      div.style.marginBottom = '5px'; 
      GEvent.addDomListener(div, 'click', function() {
        GEvent.trigger(marker, 'click');
      });
      GEvent.addDomListener(div, 'mouseover', function() {
        div.style.backgroundColor = '#eee';
      });
      GEvent.addDomListener(div, 'mouseout', function() {
        div.style.backgroundColor = '#fff';
      });
      return div;
    }