anchor.diff:        scaleControl: true,
         disableDoubleClickZoom: false
       };
  -    
  +
       // we'll use the heatmapArea 
       var map = new google.maps.Map($("#heatmapArea")[0], myOptions);
   
  
positive.code:           stylers: [
              { saturation: -90 },
              { lightness: 90 },
              { color: '#ffdddd' }
            ]
          }, {
            featureType: 'administrative',
            elementType: 'geometry',
            stylers: [
              { "color": "#ff2080" },
              { "weight": 1 }
            ]
          }, {
            stylers: [
              { "hue": "#ff005d" },
              { "saturation": num },
              { "invert_lightness": true }
            ]
          }, {
            featureType: 'road',
            stylers: [
              { "saturation": num },
            ]
          }
        ]
  
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)"}
      });
  
  