var myProgressPanel, 
myMaximumValue = 300, 
myProgressBarWidth = 300; 
myCreateProgressPanel(myMaximumValue, myProgressBarWidth); 
 
function myCreateProgressPanel(myMaximumValue, myProgressBarWidth) { 
    myProgressPanel = new Window("window", "Anzahl der verabeiteten Bilder"); 
    with (myProgressPanel) { 
        myProgressPanel.myProgressBar = add("progressbar",  
        [12,12, myProgressBarWidth, 24],0, myMaximumValue); 
       } 
   return myProgressPanel; 
} 
 
myProgressPanel = myCreateProgressPanel(100,400); 
myProgressPanel.show(); 
 
var mydoc = app.activeDocument; 
var selection = mydoc.selection; 
 
for (i =0; i < selection.length; i++) 
{ 
    myProgressPanel.myProgressBar.value = (100/selection.length)*i; 
    var _bild = selection[i]; 
_bild.images[0].graphicLayerOptions.graphicLayers[-1].currentVisibility = false; 
}; 
 
alert ("Fertig");