This button is basically given the value MORE ROWS while using the form field, but it will get displayed as ADD CHARCTERISTICS due to drupal_add_js function.

     

       In the WORKING module , I have no problem.

But in the PAVI module, as attached, the button name is coming as MORE ROWS and rows are not gettign added..The row adding process is done in a popup....

   I have to get the button name as ADD CHARACTERISTICS and rows have to get added

I have attached the ZEROPOINT theme and the popups module ...I am attaching the popups module because I have made some changes in the popups.js file so that the we cant access the content beneath without closing the popup...

Where am I wrong 

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Cheers