anchor.diff:      var selectedZoom = 16;
       var markers;
       var markerGuids = {};
  +    var currentLines = {};
   
       var map = L.mapbox.map('home-map', "<%= Digitalsocial::MAPBOX_HOME_MAP_ID %>", {
         scrollWheelZoom: true
  
positive.code:           $.each(data.organisations, function(i, org) {
              markerGuids[org.guid].partners = org.partners;
            });
            drawPartnerLines();
          },
          dataType: 'json'
  
negative.code:     }
  
      function drawLine(markerA, markerB) {
  
        new L.Polyline([markerA._latlng, markerB._latlng], {
          color: '#999999',
          //color: '#F39200',
          weight: 1,
          opacity: 0.05,
          smoothFactor: 10
        }).addTo(map);
          
      }
  
      // function drawPartnerLines(){
      //   $.each(markerGuids, function(i, org){
      //     $.each(org.partners, function(j, partner){
      //       drawLine(org.marker, getMarkerFromGuid(partner[0]));
      //     });
          
      //   });
      // }
  
      function drawPartnerLines() {
        $.each(currentLines, function(i, line){
          
          
        });
      }
  
      function setPartnerLines() {
        $.each(markerGuids, function(i, org){
          
          $.each(org.partners, function(j, partner){
            try {
              var visibleMarkerA = markers.getVisibleParent(org.marker);
              var visibleMarkerB = markers.getVisibleParent(getMarkerFromGuid(partner[0]));
  
              if (currentLines[[visibleMarkerA._latlng, visibleMarkerB._latlng]]) {
                currentLines[[visibleMarkerA._latlng, visibleMarkerB._latlng]].count += 1;
              } else {
                currentLines[[visibleMarkerA._latlng, visibleMarkerB._latlng]] = {};
                currentLines[[visibleMarkerA._latlng, visibleMarkerB._latlng]].count = 1;  
              }
              
            } catch(e) {
              console.log(e);
            }
          });
          
        });
  
        console.log(currentLines);
      }
  
      function getMarkerFromGuid(guid) {
  