There seems to be 2 errors on loading the readonly demo.

I am using FF with FireBug to see the errors.

 

The errors are:

Permission denied to get property ULElement.accessibleType
http://cutesoft.net/CuteSoft_Client/CuteEditor/Load.ashx?type=scripts&file=Gecko_Loader
Line 5

Ox16c is null
http://cutesoft.net/CuteSoft_Client/CuteEditor/Load.ashx?type=scripts&file=Gecko_Loader
Line 5