--- a/ckanext/ga_report/public/scripts/ckanext_ga_reports.js
+++ b/ckanext/ga_report/public/scripts/ckanext_ga_reports.js
@@ -19,6 +19,8 @@
     $.each(data, function(i, object) {
         object['color'] = palette.color();
     });
+    // Rickshaw renders the legend in reverse order...
+    data.reverse();
 
     var graphElement =  document.querySelector("#chart_"+css_name);
 
@@ -43,6 +45,7 @@
       graph: graph,
       legend: legend
     } );
+    myLegend.prepend('<div class="instructions">Click on a series below to isolate its graph:</div>');
     graph.render();
 };
 
@@ -92,9 +95,22 @@
       }
       legend_name = '#legend_'+legend_name;
       $('#graph-legend-container > *').hide();
+      $('#graph-legend-container .instructions').show();
       $(legend_name).show();
     }
   );
+};
+
+CKAN.GA_Reports.bind_month_selector = function() {
+  var handler = function(e) { 
+    var target = $(e.delegateTarget);
+    var form = target.closest('form');
+    var url = form.attr('action')+'?month='+target.val()+window.location.hash;
+    window.location = url;
+  };
+  var selectors = $('select[name="month"]');
+  assert(selectors.length>0);
+  selectors.bind('change', handler);
 };
 
 /*