[SWFObject] Small errors in javascript...

[info - maxcosta.it]

Hello,
I'm experimenting SWFObjec in my cms and works really well. Sometime I got
this couple of errors:

Trying to add unsupported property on scriptable plugin object! (on
swfobjects.js, line 132)

uncaught exception: [Exception... "Failure" nsresult: "0x80004005
(NS_ERROR_FAILURE)" location: "JS frame ::
http://www.mysite.com/includes/swfobject.js :: anonymous :: line 132" data:
no]

Apart the errors looks like it works aniway. I'm just curious to have some
light about this .)