in IE 7/8/9 I get an error when trying to close dialog containt tiny mce editor.
This is error from IE console:
SCRIPT438: Object doesn't support this property or method "parentElement"
This is error from Tersus:
An error has occured: Object doesn't support this property or method "duplicate"
This is video from the action:
This is trace file if it can help:
For best results, use the Firefox browser..