Dynamic flash with variable text?

I have a flash document that is embedded in an html page.

The html passes a parameter to the flash document wich is placed in a dynamic text variable text box in a grpical object.

This object is then used as the first frame of a button object.

All this works fine. I can pass in any text to be used as the text for the button....

BUT.... I have a movie object that uses the graphic object (dynamic_text) as part of a tween (change the opacity). This is used as the mouse over frame of the button.

It all works when in development mode in flash when I change the text manually in the graphic element then look at all the other object but when I run it from the html page the movie seems stuck with the last text it contained when I published it....

Any ideas on this would be great.

Oh- flash 5