AJAX :: How To Avoid Create Repeated Tab

Dec 4, 2010

I created ajax tab dynamicaly.it works well except one thing .every time i clicked on menuitem a new tab created and if I clicked on that menuitem again the tab created again.I dont want to create one tab repeatedly I just want to create each tab just once and if I click on repeated menuitem the existed tab just be active.

here is my code:


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