what may be the issue with tinyMCE if it is resulting an error 'SCRIPT438: Object doesn't support property or method 'duplicate''?
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I got `SCRIPT438: Object doesn't support property or method 'duplicate'` error and I replaced the old tinyMCE with new version 3.5.5

Still I am getting the same error on click of a button.

Is it problem with `prototype/scriptaculous` used ? DO I need to upgrade them as well..?


Please help.