NotesUIDocument Import And Formatting HTML - Please help

Hiusers regulary import a html file from a Website in the Body of a Form:

Action → uidoc.import

Now the Layout of the Website has changed and after import it looks completely different and confusing. Its cause of a cascading style sheet link introduced in the Website. It seems the Notesdocument uses this link, because removing the CSS-Line from the Site-Code shows the old layout after import.

Is there a way to parse the imported HTML in order to remove the css-Line Or prevent the document to access the css-File Or another way ??

Your help will be much appreciated