var runphotomergeFromScript = true; // must be before Photomerge include
    //@includepath "/Applications/Adobe Photoshop CS5/Presets/Scripts/"
    //@include "Photomerge.jsx"
    //@show include

    psdOpts = new PhotoshopSaveOptions();
    psdOpts.embedColorProfile = true;
    psdOpts.alphaChannels = true;
    psdOpts.layers = true;

    var workFolder = Folder.selectDialog();
    var folders = workFolder.getFiles( function( file ) { return file instanceof Folder; } );

    for( var i = 0; i < folders.length; i++ ) {
       
var folder = folders[i];
var fList = folder.getFiles( '*.pef' ); 

       // override Photomerge.jsx settings. Default is "Auto". Uncomment to override the default.
        photomerge.alignmentKey   = "Auto";
       //photomerge.alignmentKey   = "Prsp";
       //photomerge.alignmentKey   = "cylindrical";
       //photomerge.alignmentKey   = "spherical";
       //photomerge.alignmentKey   = "sceneCollage";
       //photomerge.alignmentKey   = "translation"; // "Reposition" in layout dialog   

       // other setting that may need to be changed. Defaults below
       photomerge.advancedBlending      = true; // 'Blend Images Together' checkbox in dialog
       photomerge.lensCorrection      = true; // Geometric Distortion Correction'checkbox in dialog
       photomerge.removeVignette      = true; // 'Vignette Removal' checkbox in dialog

       if( fList.length > 1 ){
          photomerge.createPanorama(fList,false);
       }
       // The merged doc will be the activeDocument
       app.activeDocument.flatten(); 
       app.activeDocument.bitsPerChannel = BitsPerChannelType.SIXTEEN;
       activeDocument.saveAs( new File( fList[0].parent + '/Completed.psd' ) , psdOpts, true, Extension.LOWERCASE);
       activeDocument.close( SaveOptions.DONOTSAVECHANGES );
    }