Alert box Not showing....

Hi,

I m using Jomsocial and community surveys components.My problem is If i invite Survey for register user Alert pop up box will not showing...

If i invite Survey for Community user groups Alert pop up is not showing and single group shows 3 or 4 times..Mail does not send any users and user Groups..

Mail queue will showing Jomsocial Mail queue or Core Joomla API Mail queue...

How to solve this.Help me..I have attached screenshot
{CJATTACHMENT }
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