var curSel = app.selection[0];  
  
if (curSel == undefined) {  
  alert ("Bitte einen Rahmen auswählen.", "Stop");  
  exit();  
}  
 
var filCol = curSel.fillColor; 
 
if (filCol.constructor.name == "Gradient") { 
  var lastStopProps = filCol.gradientStops[-1].properties; 
  var newStop = filCol.gradientStops.add(); 
  newStop.properties = lastStopProps; 
  newStop.location = 100; 
} 

var doc = app.activeDocument; 
for (var i = 0; i < doc.gradients.length; i++) { 
  if (doc.gradients[i].gradientStops[-1].location != 100) { 
    doc.gradients[i].gradientStops.add({ 
      location: 100 
    }) 
  } 
} 

var curSel = app.selection[0];   
   
if (curSel == undefined) {   
  alert ("Bitte einen Rahmen auswählen.", "Stop");   
  exit();   
}   
  
var fillCol = curSel.fillColor;  
  
if (fillCol.constructor.name == "Gradient") { 
  if(fillCol.gradientStops[-1].location != 100) { 
    fillCol.gradientStops.add({location: 100}); 
  } 
} 

var doc = app.activeDocument;  
for (var i = 0; i < doc.gradients.length; i++) {  
  if (doc.gradients[i].gradientStops[-1].location != 100) {  
    doc.gradients[i].gradientStops.add()  
  }  
}