           <div class="form-group">
             <label for="explorative">Explorative annotations</label>
             <div class="row">
-              <div class="col-md-10 explorative"></div>
+              <div class="col-md-10 explorative">
+                <input type="text" class="form-control" placeholder="Explorative annotation id"></input>
+              </div>
               <div class="col-md-2">
                 <button class="btn btn-primary" id="explorative-merge">Merge</button>
               </div>


  mergeExplorative : ->

    explorativId = @ui.explorative.find("select :selected").val()
    url = "/annotations/Explorational/#{explorativId}/merge/#{@model.get("tracingType")}/#{@model.get("tracingId")}"
    @merge(url)


  merge : (url) ->

        childViewOptions :
          modelValue: -> return "#{@model.get("name")}"
      )

      @tasktype   .show(@taskTypeSelectionView)
      @project    .show(@projectSelectionView)
    )


  mergeTask : ->

    taskId = @ui.task.find("input").val()
    @validateId(taskId).then( =>
      url = "/annotations/CompoundTask/#{taskId}/merge/#{@model.get("tracingType")}/#{@model.get("tracingId")}"
      @merge(url)
    )
