en-US.jar:
    locale/en-US/global/nsHelperAppDlg.dtd (helperAppDlg/locale/en-US/nsHelperAppDlg.dtd)
    locale/en-US/global/nsHelperAppDlg.properties (helperAppDlg/locale/en-US/nsHelperAppDlg.properties)
    locale/en-US/global/nsProgressDialog.dtd (progressDlg/locale/en-US/nsProgressDialog.dtd)
    locale/en-US/global/nsProgressDialog.properties (progressDlg/locale/en-US/nsProgressDialog.properties)

toolkit.jar:
    content/global/nsHelperAppDlg.xul (helperAppDlg/nsHelperAppDlg.xul)
    content/global/nsProgressDlg.xul  (progressDlg/nsProgressDlg.xul)
    content/global/nsProgressDialog.xul  (progressDlg/nsProgressDialog.xul)
    content/global/nsProgressDlg.js   (progressDlg/nsProgressDlg.js)