1. In standard dialog, find & replace, image map and image editor are  malfunction.

Can you reproduce this issue in this example? http://cutesoft.net/example/general.aspx

If so, can you show me the steps to reproduce the problems?

2. When I inserted the media files like wmv, avi, swf,  it will get error when I move to HTML view.

I cann't reproduce this issue in above example. Can you try it?

3. In Firefox,  I used  javascript to control the hidden editor, it cannot get and set value. Please take a look on the following code, thanks.

 

Can you try this example?

 

 

You need to make sure Editor instance exists before you set/get the value from editor.