var /*CellStyle*/cS =  app.activeDocument.cellStyles.itemByName("Zelle");   
var /*Table*/table = app.selection[0];   
var /*Array*/cells = table.cells.everyItem().getElements(); 
cells.reverse(); 
for (var i = 0; i < cells.length; i++){ 
    cells[i].appliedCellStyle = cS 
} 

var cS =  app.activeDocument.cellStyles.itemByName("Zelle"); 
var cells  = app.activeDocument.stories.everyItem().tables.everyItem().cells.everyItem().getElements(); 
cells.reverse();  
for (var i = 0; i < cells.length; i++){  
    cells[i].appliedCellStyle = cS  
}