Use the Cross Browser Marquee script, you can use HTML where the text is input.
Whats Cross Browser Marquee script?
Its ok....oooo I know that... lol....I don't get how thats gonna allow to show html, cuz I already have that code on my site.
i'm really confused... sry i'm probably confusing u too.
That's HTML inside the marqueecontent box.
<input type="text" value="your text goes here" name="textarea" align="top"
the text you want to display goes in the value and you can change align to where you want the box and change you sizes to what you require. I hope this answers your question.