boolean fileWriter(File file, JList InstanceList) throws IOException { //returns true if successful.
    useAppletJS = JmolViewer.checkOption(viewer, "webMakerCreateJS");
    //          JOptionPane.showMessageDialog(null, "Creating directory for data...");
    String datadirPath = file.getPath();
    String datadirName = file.getName();
    String fileName = null;
    if (datadirName.indexOf(".htm") > 0) {
      fileName = datadirName;
      datadirPath = file.getParent();
      file = new File(datadirPath);
      datadirName = file.getName();
    } else {
      fileName = datadirName + ".html";
    }
    datadirPath = datadirPath.replace('\\', '/');
    boolean made_datadir = (file.exists() && file.isDirectory() || file.mkdir());
    DefaultListModel listModel = (DefaultListModel) InstanceList.getModel();
    LogPanel.log("");
    if (made_datadir) {
      LogPanel.log(GT._("Using directory {0}", datadirPath));
      LogPanel.log("  " + GT._("adding JmolPopIn.js"));
 
      viewer.writeTextFile(datadirPath + "/JmolPopIn.js",
          WebExport.getResourceString(this, "JmolPopIn.js"));
      for (int i = 0; i < listModel.getSize(); i++) {
        JmolInstance thisInstance = (JmolInstance) (listModel.getElementAt(i));
        String javaname = thisInstance.javaname;
        String script = thisInstance.script;
        LogPanel.log("  ...jmolApplet" + i);
        LogPanel.log("      ..." + GT._("adding {0}.png", javaname));
        try {
          thisInstance.movepict(datadirPath);
        } catch (IOException IOe) {
          throw IOe;
        }

        String fileList = "";
        fileList += addFileList(script, "/*file*/");
        fileList += addFileList(script, "FILE0=");
        fileList += addFileList(script, "FILE1=");
        if (localAppletPath.getText().equals(".")
            || remoteAppletPath.getText().equals("."))
          fileList += "Jmol.js\nJmolApplet.jar";
        String[] filesToCopy = fileList.split("\n");
        String[] copiedFileNames = new String[filesToCopy.length];
        String f;
        int pt;
        for (int iFile = 0; iFile < filesToCopy.length; iFile++) {
          if ((pt = (f = filesToCopy[iFile]).indexOf("|")) >= 0)
            filesToCopy[iFile] = f.substring(0, pt);
          copiedFileNames[iFile] = copyBinaryFile(filesToCopy[iFile],
              datadirPath);
        }
        script = localizeFileReferences(script, filesToCopy, copiedFileNames);
        LogPanel.log("      ..." + GT._("adding {0}.spt", javaname));
        viewer.writeTextFile(datadirPath + "/" + javaname + ".spt", script);
      }
      String html = WebExport.getResourceString(this, panelName + "_template");
      html = fixHtml(html);
      appletInfoDivs = "";
      StringBuffer appletDefs = new StringBuffer();
      if (!useAppletJS)
        htmlAppletTemplate = WebExport.getResourceString(this, panelName + "_template2");
      for (int i = 0; i < listModel.getSize(); i++)
        html = getAppletDefs(i, html, appletDefs, (JmolInstance) listModel
            .getElementAt(i));
      html = TextFormat.simpleReplace(html, "@AUTHOR@", GT.escapeHTML(pageAuthorName
          .getText()));
      html = TextFormat.simpleReplace(html, "@TITLE@", GT.escapeHTML(webPageTitle.getText()));
      html = TextFormat.simpleReplace(html, "@REMOTEAPPLETPATH@",
          remoteAppletPath.getText());
      html = TextFormat.simpleReplace(html, "@LOCALAPPLETPATH@",
          localAppletPath.getText());
      html = TextFormat.simpleReplace(html, "@DATADIRNAME@", datadirName);
      if (appletInfoDivs.length() > 0)
        appletInfoDivs = "\n<div style='display:none'>\n" + appletInfoDivs
            + "\n</div>\n";
      String str = appletDefs.toString();
      if (useAppletJS)
        str = "<script type='text/javascript'>\n" + str + "\n</script>";
      html = TextFormat.simpleReplace(html, "@APPLETINFO@", appletInfoDivs);
      html = TextFormat.simpleReplace(html, "@APPLETDEFS@", str);
      html = TextFormat.simpleReplace(html, "@CREATIONDATA@", GT.escapeHTML(WebExport
          .TimeStamp_WebLink()));
      html = TextFormat.simpleReplace(html, "@AUTHORDATA@",
          GT.escapeHTML(GT._("Based on template by A. Herr&#x00E1;ez as modified by J. Gutow")));
      html = TextFormat.simpleReplace(html, "@LOGDATA@", "<pre>\n"
          + LogPanel.getText() + "\n</pre>\n");
      LogPanel.log("      ..." + GT._("creating {0}", fileName));
      viewer.writeTextFile(datadirPath + "/" + fileName, html);
    } else {
      IOException IOe = new IOException("Error creating directory: "
          + datadirPath);
      throw IOe;
    }
    LogPanel.log("");
    return true;
  }
  public void actionPerformed(ActionEvent e) {

    if (e.getSource() == remoteAppletPath) {//apparently no events are fired to reach this, maybe "enter" does it
      String path = remoteAppletPath.getText();
      WebExport.setAppletPath(path, true);
      return;
    }

    if (e.getSource() == localAppletPath) {//apparently no events are fired to reach this, maybe "enter" does it
      String path = localAppletPath.getText();
      WebExport.setAppletPath(path, false);
      return;
    }

    //Handle open button action.
    if (e.getSource() == addInstanceButton) {
      //make dialog to get name for instance
      //create an instance with this name.  Each instance is just a container for a string with the Jmol state
      //which contains the full information on the file that is loaded and manipulations done.
      String label = (instanceList.getSelectedIndices().length != 1 ? ""
          : getInstanceName(-1));
      String name = JOptionPane.showInputDialog(
          GT._("Give the occurrence of Jmol a name:"), label);
      if (name == null)
        return;
      //need to get the script...
      String script = viewer.getStateInfo();
      if (script == null) {
        LogPanel.log("Error trying to get Jmol State within pop_in_Jmol.");
      }
      DefaultListModel listModel = (DefaultListModel) instanceList.getModel();
      int width = 300;
      int height = 300;
      if (appletSizeSpinnerH != null) {
        width = ((SpinnerNumberModel) (appletSizeSpinnerW.getModel()))
            .getNumber().intValue();
        height = ((SpinnerNumberModel) (appletSizeSpinnerH.getModel()))
            .getNumber().intValue();
      }
      JmolInstance instance = new JmolInstance(viewer, name, script, width, height);
      if (instance == null) {
        LogPanel
            .log(GT._("Error creating new instance containing script(s) and image."));
      }

      int i;
      for (i = instanceList.getModel().getSize(); --i >= 0;)
        if (getInstanceName(i).equals(instance.name))
          break;
      if (i < 0) {
        i = listModel.getSize();
        listModel.addElement(instance);
        LogPanel.log(GT._("added Instance {0}", instance.name));
      } else {
        listModel.setElementAt(instance, i);
        LogPanel.log(GT._("updated Instance {0}", instance.name));
      }
      instanceList.setSelectedIndex(i);
      syncLists();
      return;
    }

    if (e.getSource() == deleteInstanceButton) {
      DefaultListModel listModel = (DefaultListModel) instanceList.getModel();
      //find out which are selected and remove them.
      int[] todelete = instanceList.getSelectedIndices();
      int nDeleted = 0;
      for (int i = 0; i < todelete.length; i++){
        JmolInstance instance = (JmolInstance) listModel.get(todelete[i]);
        try {
          instance.delete();
        } catch (IOException err) {
          LogPanel.log(err.getMessage());
        }
        listModel.remove(todelete[i] - nDeleted++);
      }
      syncLists();
      return;
    }

    if (e.getSource() == showInstanceButton) {
      DefaultListModel listModel = (DefaultListModel) instanceList.getModel();
      //find out which are selected and remove them.
      int[] list = instanceList.getSelectedIndices();
      if (list.length != 1)
        return;
      JmolInstance instance = (JmolInstance) listModel.get(list[0]);
      viewer.evalStringQuiet(")" + instance.script); //leading paren disabled history
      return;
    }

    if (e.getSource() == saveButton) {
      fc.setDialogTitle(GT._("Select a directory to create or an HTML file to save"));
      int returnVal = fc.showSaveDialog(this);
      if (returnVal != JFileChooser.APPROVE_OPTION)
        return;
      File file = fc.getSelectedFile();
      boolean retVal = true;
      try {
        String path = remoteAppletPath.getText();
        WebExport.setAppletPath(path, true);
        path = localAppletPath.getText();
        WebExport.setAppletPath(path, false);
        String authorName = pageAuthorName.getText();
        WebExport.setWebPageAuthor(authorName);
        retVal = fileWriter(file, instanceList);
      } catch (IOException IOe) {
        LogPanel.log(IOe.getMessage());
      }
      if (!retVal) {
        LogPanel.log(GT._("Call to FileWriter unsuccessful."));
      }
    }
    if (e.getSource() == helpButton){
      HelpDialog webExportHelp = new HelpDialog(WebExport.getFrame(), 
          WebExport.getHtmlResource(this, panelName + "_instructions"));
      webExportHelp.setVisible(true);
      webExportHelp.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
    }
  }