CKEditor Controls not refreshing

[kirankumary]

Hi,
I am using Primefaces extention CK Editor. When the page loads 1st time all the Controls on the CK editor loading properly. But if i navigate to some other page and come back to the CKEditor page, The controls on the CK editor is not showing, It's showing the text of the componets.
Please help me on this If am missing any thing. Here z my sample code. I am using primefaces5.0, and primefaces-extensions-2.1.0.jar

<pe:ckEditor id="output" value="#{viewEmailTemplateViewer.output}" widgetVar="editor" interfaceColor="#1433FC"
height="300px" width="800px" skin="kama">
</pe:ckEditor>