## TODO: make nice link like link_to_ref() do

      $('#org_rev_span').html(org_ref[2].substr(0,12));

      var other_repo = $('#pull_request_form #other_repo').val();

      var other_ref = $('#pull_request_form #other_ref').val().split(':');

      $('#other_rev_span').html(other_ref[2].substr(0,12));

      var rev_data = {

          '__org_repo__': org_repo,

          '__org_ref_name__': org_ref[2],

          '__other_repo__': other_repo,

          '__other_ref_name__': other_ref[2]

      }; // gather the org/other ref and repo here

      for (k in rev_data){

          url = url.replace(k,rev_data[k]);

      }

      if (pendingajax) {

          pendingajax.abort();

          pendingajax = undefined;

      }

      pendingajax = asynchtml(url, $('#pull_request_overview'), function(o){

          pendingajax = undefined;

          var r = new BranchRenderer('graph_canvas', 'graph_content_pr', 'chg_');

          r.render(jsdata,100);

      });

  }

  $(document).ready(function(){

      $("#org_repo").select2({

          dropdownAutoWidth: true

      });

      ## (org_repo can't change)

      $("#org_ref").select2({

          dropdownAutoWidth: true,

          sortResults: branchSort

      });

      $("#org_ref").on("change", function(e){

          loadPreview();

      });

      $("#other_repo").select2({

          dropdownAutoWidth: true

      });

      $("#other_repo").on("change", function(e){

          otherrepoChanged();