Picture gallery scripting


I am working on a file which contains a picture gallery.That picture gallery is inside a movie clip.That gallery is working in flash player 7 and above.It is not working in flash player 6 and below.In flash player 6 it is loading but the buttons are not working.

Here I had a problem with a script **_root.link=1 **and i have got a solution from kirupa.com that puting a script this._lockroot = true; in that MC containg picture gallery.It was working fine in flash player 7 and above.
Is that script doesn’t works in flash player 6? I am new in flash,so I am not good in scripting.
Hope anybody can help me to solve this problem…

Thanks in advance,