anchor.diff:  
   function deleteEvent(draggable, dropZone) {
       var element = draggable.parentNode.getElementsBySelector("span")[0].id
  -    ajaxform(null, element, false, null, null)
  +    executePlannedActivityRemove(element)
   
       var prevDurationIndex = draggable.currentDurationIndex;
       var prevActivity = draggable.activity;
  
positive.code:         id: conditionDetailsName,
          name: conditionDetailsName,
          type: 'text',
          disabled: 'true',
          onChange:"return ajaxform(null, null, null, null, this);"});
      cells.push(Builder.node('td', {}, [conditionDetailsInput]))
  
      var rowId = 'activity' + activity.id;
  
negative.code:     Droppables.add($('deleteDrop'), {accept:'marker',hoverclass: 'hoverActive',onDrop:deleteEvent})
  }
  
  var PERIOD_DURATION = 7;
  
  function moveEvent(draggable, dropZone) {
  