app.documents[0].distribute(app.selection, DistributeOptions.LEFT_EDGES, AlignDistributeBounds.ITEM_BOUNDS); 

// distributeVertical.jsx 
//DESCRIPTION: Verteilt ausgewählte Objekte vertikal auf 2 mm Abstand. 
 
if (app.selection.length == 0 || !app.selection[0].hasOwnProperty("geometricBounds")) 
{ 
	alert('Keine oder schlechte Auswahl.'); 
	exit(); 
}	 
 
with (app.alignDistributePreferences) 
{ 
	distributeSpaceAbsoluteMeasurement = 2; 
	distributeSpaceAbsolute = true; 
} 
app.documents[0].distribute(app.selection,  DistributeOptions.VERTICAL_SPACE, AlignDistributeBounds.ITEM_BOUNDS); 

var what2distribute = app.layoutWindows.firstItem().activePage.pageItems.everyItem();  
  
with (app.alignDistributePreferences)  
{  
	distributeSpaceAbsoluteMeasurement = 2;  
	distributeSpaceAbsolute = true;  
}  
 
app.documents[0].distribute(what2distribute,   DistributeOptions.VERTICAL_SPACE, AlignDistributeBounds.ITEM_BOUNDS);