How to find what cause the Invaild argument in IE for JQuery gzoom plugin

How to find what cause the Invaild argument in IE for JQuery gzoom plugin

hi, there.

I found a very nice plug in for image zoom and pan effect. But when I use it I find out this script cause Invaild argument error in IE7 and IE6. So I am wondering, does any one know where the error is and how can I fix that ?

There is the link of the JQuery gzoom link JQuery gzoom 


thanks a lot