if (that.query.sheetname) {

  that.query.title = "Tabellenblatt "+that.query.sheetname+" von Excel-Datei managed file "+that.query.mfileid;

} else {

  that.query.title = "Erstes Tabellenblatt von Excel-Datei managed file "+that.query.mfileid;

}

load_file.load_file(that.session,that.query.mfileid,that,

                    that.query.tablename?{tablename: that.query.tablename, 

                                          loadcontrol:'useloadcontrols',

                                          disposition:'view',

                                          sheetname:that.query.sheetname}:

                                         {disposition:'view',

                                          sheetname:that.query.sheetname},that.pcallback);