if(app.documents.length != 0){    
    var myFolder = Folder.selectDialog ("Zielverzeichnis wählen:");    
    if(myFolder != null){  
		var myDocument = app.activeDocument;  
		var myItems, myDocumentName, myBaseName, myPDFPreset;  
		  
        displayDialog();   
    }    
}    
else{    
    alert("Dokument öffnen und noch einmal versuchen.");    
} 
 
function displayDialog() {  
    myDocumentName = myDocument.name;    
    var myPDFPresets = app.pdfExportPresets;  
    var myPDFPresetNames = new Array;  
    for (n = 0; n < myPDFPresets.length; n++) {  
        myPDFPresetNames.push(myPDFPresets[n].name);   
	} 
    var myTextFrameNames = new Array; 
    for (n=0; i < myDocument.pages[0].textFrames.length; n++) { 
        myTextFrameNames.push(myDocument.pages[0].textFrames[n].label); 
    } 
  
    var myDialog = app.dialogs.add();    
    with(myDialog.dialogColumns.add()){   
//~         with(dialogRows.add()){     
//~             with(dialogColumns.add()) {  
//~                 staticTexts.add({staticLabel:"Base name:", minWidth:130});    
//~             }  
//~             with(dialogColumns.add()) {  
//~                 var myBaseNameField = textEditboxes.add({editContents:myDocumentName,    minWidth:160});    
//~             }  
//~         } 
        with(dialogRows.add()){   
            with(dialogColumns.add()){   
                staticTexts.add({staticLabel:"Rubriknummer ", minWidth:130});   
            }   
            with(dialogColumns.add()){   
                var myArticleNoDropdown = dropdowns.add({stringList:myTextFrameNames,   selectedIndex:0});   
            }   
        } 
        with(dialogRows.add()){   
            with(dialogColumns.add()){   
                staticTexts.add({staticLabel:"Rubrikname ", minWidth:130});   
            }   
            with(dialogColumns.add()){   
                var mySortnameDropdown = dropdowns.add({stringList:myTextFrameNames,   selectedIndex:0});   
            }   
        }      
        with(dialogRows.add()){   
            with(dialogColumns.add()){   
                staticTexts.add({staticLabel:"PDF-Vorgabe: ", minWidth:130});   
            }   
            with(dialogColumns.add()){   
                var myPDFPresetsDropdown = dropdowns.add({stringList:myPDFPresetNames,   selectedIndex:0});   
            }   
        }   
    }  
    var myResult = myDialog.show({name:"ExportPages"});    
    if(myResult == true){    
//~         myBaseName = myBaseNameField.editContents;  
         myPDFPreset = myPDFPresetNames[myPDFPresetsDropdown.selectedIndex]; 
         var myArticleNoFrame = myTextFrameNames[myArticleNoDropdown.selectedIndex]; 
         var mySortnameFrame = myTextFrameNames[mySortnameDropdown.selectedIndex]; 
		exportPages(myArticleNoFrame, mySortnameFrame);  
        //Remove the dialog box from memory.    
        myDialog.destroy();   
    } else{    
        myDialog.destroy();    
    }    
}  
 
function exportPages(articleNo, sortName) {  
	for (var n = 0; n < myDocument.pages.length; n++) {  
		var myPage = myDocument.pages[n]; 
         for (j=0; j < myPage.textFrames.length; j++) { 
            if(myPage.textFrames[j].label == articleNo) { 
                var myArticleNo = myPage.textFrames[j]; 
            } 
            if (myPage.textFrames[j].label == sortName) { 
                var mySortname = myPage.textFrames[j]; 
            } 
         } 
//~          var myArticleNo = myPage.textFrames.item(articleNo); 
//~          var mySortname = myPage.textFrames.item(sortName); 
         var myPageName = myArticleNo.contents + "_" + mySortname.contents;    
		app.pdfExportPreferences.pageRange = myPage.name;  
   
		 
//		var myFilePath = myFolder + "/" +  myPageName + ".pdf";    
 
 
        var myFilePath = myFolder + "/" + myPageName + ".pdf";    
		var myExportFile = new File(myFilePath);   
		myDocument.exportFile(ExportFormat.pdfType,  myExportFile, false, myPDFPreset);   
	}   
}