anchor.diff:            stylers: [
               { saturation: -90 },
               { lightness: 90 },
  -            { color: '#ffdddd' }
  +            { color: '#ffcccc' }
             ]
           }, {
             featureType: 'administrative',
             elementType: 'geometry',
             stylers: [
  -            { "color": "#ff2080" },
  +            { "color": "#ffdddd" },
               { "weight": 1 }
             ]
           }, {
             stylers: [
  -            { "hue": "#ff005d" },
  +            { "hue": "#ff2080" },
               { "saturation": num },
               { "invert_lightness": true }
             ]
           }, {
             featureType: 'road',
             stylers: [
  -            { "saturation": num },
  +            { "hue": "#ff005d" },
  +            { "visibility": "off" }
             ]
           }
         ]
  
positive.code:       scaleControl: true,
        disableDoubleClickZoom: false
      };
      
      // we'll use the heatmapArea 
      var map = new google.maps.Map($("#heatmapArea")[0], myOptions);
  
  
negative.code: 
      heatmap = new HeatmapOverlay(map, {"radius":15, 
        "visible":true, 
        "opacity":50,
        "gradient": { 1.0: "rgb(0,0,255)", 0.55: "rgb(0,255,255)", 0.65: "rgb(0,255,0)", 0.95: "yellow", 1.0: "rgb(255,0,0)"}
      });
  
  