if (fileChooserHtml == null)
{
fileChooserHtml = new JFileChooser();
fileChooserHtml.addChoosableFileFilter
(new FilesystemFilter(
new String[]{HtmlStreamExportDialog.HTML_FILE_EXTENSION, HtmlStreamExportDialog.HTM_FILE_EXTENSION},
getResources().getString("htmlexportdialog.html-documents"), true)); //$NON-NLS-1$
fileChooserHtml.setMultiSelectionEnabled(false);
}