javascript: indesign show dialog to open next file

gistfile1

function show_dialog(message, opened_number) {
	// update it v 0.1.1
	var defaultScriptPreference = app.scriptPreferences.userInteractionLevel;
	app.scriptPreferences.userInteractionLevel = UserInteractionLevels.INTERACT_WITH_ALL;

	var myDialog = app.dialogs.add({name:"Continue with another file or finish?",canCancel:true});
	var all_messages = [];
	with(myDialog){		
		with(dialogColumns.add()){
			with(dialogRows.add()) {
				with(dialogColumns.add()) {
					with(dialogRows.add()) { staticTexts.add({staticLabel: "* Note:" }); };					
					with(dialogRows.add()) { staticTexts.add({staticLabel: "- To continue generate with other file click \"OK\" button" });};
					with(dialogRows.add()) { staticTexts.add({staticLabel: "- To finish the task click \"Cancel\"." }); };
					with(dialogRows.add()) {
						staticTexts.add({staticLabel: "You have finished generate with " + opened_number + " files as below: " });
					};
				};
			};
			with(dialogRows.add()) {			
				all_messages = message.split("\n");
				with(borderPanels.add()) {					
					with(dialogColumns.add()) {
						for (var i = 0, len = all_messages.length; i<len; i++) {
							with(dialogRows.add({minWidth:400})) {
								staticTexts.add({staticLabel: (i+1) +". " + all_messages[i] });
							};
						};
						with(dialogRows.add({})) {staticTexts.add({minWidth:300})}; // for decorating
					};
				};
			};
		};
	};	
	var myResult = myDialog.show();
	var defaultScriptPreference = app.scriptPreferences.userInteractionLevel;
	app.scriptPreferences.userInteractionLevel = defaultScriptPreference;
	myDialog.destroy();
	return myResult;
};