Thanks for your reply.  Unfortunately, I'm seeing that do_preview() is undefined.    What I'm doing is providing an alternate Browse function, which allows the user to select images from a remote location.  Once they select an image, a call is made to the following custom function on tag_image.ascx:     function ...

I am working on some customizations for the IMG dialog popup where I programmatically change some of the values of the input boxes (url, width & height).  However I see that clicking ''OK'' isn't what updates the editor, but keypresses within the input boxes.  What function needs to be called to update the image in the editor?  ...