if (app.selection.length > 0 && app.selection[0].constructor.name == 'Cell' && app.selection[0].columns.length > 1) 
{ 
   var trenner = prompt('Trenner', '\r')// Text zwischen dem Text zweier zusammenzuführender Spalten 
   var c_i = Number(app.selection[0].cells.firstItem().name.split(':')[0]); 
   for (var r = 0; r < app.selection[0].rows.length; r++) 
   { 
      for (var c = 1; c < app.selection[0].columns.length; c++) 
      { 
         app.selection[0].rows.item(r).cells.item(c_i).texts[0].insertionPoints.lastItem().contents = trenner; // Text zwischen dem Text zweier Spalten 
         try 
         { 
            app.selection[0].rows.item(r).cells.item(c + c_i).texts[0].move(LocationOptions.AT_END, app.selection[0].rows.item(r).cells.item(c_i).texts[0]) 
         } catch(e) {}; 
      } 
   } 
//~   if ( (app.selection[0].rows.firstItem() == app.selection[0].parent.rows.firstItem()) && (app.selection[0].rows.lastItem() == app.selection[0].parent.rows.lastItem())) 
//~      app.selection[0].parent.columns.itemByRange(c_i+1, Number(app.selection[0].cells.lastItem().name.split(':')[0])).remove(); 
}