diff --git a/assets/scripts/bedabin.coffee b/assets/scripts/bedabin.coffee
index 867c33a..844c584 100644
--- a/assets/scripts/bedabin.coffee
+++ b/assets/scripts/bedabin.coffee
@@ -1,2 +1,19 @@
 $ ->
   console.log('ready.')
+
+  $('#report-benchmarks').on('change', ->
+    url = '/api/benchmark/' + $('#report-benchmarks').val() + '/tests'
+    $.get(url, (data) ->
+      # clear old contents from the selector
+      $('#report-tests').empty()
+      # add new elements to the selector
+      addOption(test) for test in data
+    )
+  )
+
+addOption = (test) ->
+  $('#report-tests').append(
+    $('<option/>')
+      .attr('value', test.id)
+      .text(test.title)
+  )