function saveDialogToolDownload()
{
    var downloadgroups = ($("#tool_downloadgroups").length == 0) ? false : $("#tool_downloadgroups").val();
    var item = ($("#tool_downloaditem").length == 0) ? false : $("#tool_downloaditem").val();
    var newElement = AjaxAPI('CoreTool', 'saveTool', {siteContentID: moduleEditID, data:{Tool: "download", Downloadgroups: downloadgroups, Item:item}});

    return newElement;
}

function toolShowMoreOptionsDownload()
{ 
   if($("#tool_downloadgroups").length !== 0)
   {
      // items laden
      showDownloadItems();

      // wenn die Auswahl der Download-Gruppen geändert wird => Download-Items laden
      $("#tool_downloadgroups").change(function()
      {
         showDownloadItems();
      });
   }
}