anchor.diff:      ];
     };
   
  +  params = $(location).attr('search').split("?q=")[1];
  +  if (!_.isUndefined(params)) {
  +    params = JSON.parse("["+decodeURIComponent(params)+"]");
  +    HeatMap.state.center = [params[0], params[1]];
  +    HeatMap.state.zoom = params[2];
  +    HeatMap.state.filters[0].id = params[3];
  +    HeatMap.state.filters[1].id = params[4];
  +    HeatMap.state.filters[2].id = params[5];
  +  }
  +
     ZOOMS = {
       "Perth": {
         center: new google.maps.LatLng(-31.993012032763385, 115.69512939453124),
  
positive.code:       });
        $.getJSON("heatmaps/comments", params, function(data){
          HeatMap.comments = data;
          display_comments();
        });
      }
  
negative.code:   };
  
    function stateful_uri() {
      state = [HeatMap.state.center, HeatMap.state.zoom, _.map(HeatMap.state.filters, function(f){ return f.id; })];
      return "http://australian.govdata.exposed?q="+encodeURIComponent(state);
    }
  
    function re_tweet() {
      var tweet = $('<a>')
          .attr('href', "https://twitter.com/share")
          .attr('class', "twitter-share-button")
          .attr('data-size', "large")
          .attr('data-hashtags', "govhack")
          .text('Tweet');
      $(".twitter-share-button").remove();
      $("#twitter").prepend(tweet);
      tweet.attr('data-text', _.map(HeatMap.comments, function(item){ return item.comment }).join(" | "));
      tweet.attr('data-url', stateful_uri());
      twttr.widgets.load();
    }
  
    function update_bounds() {
  