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help with model pop in javascript

Posted By:      Posted Date: September 10, 2010    Points: 0   Category :ASP.Net
 
hi i m using a javascript pop up in my page. my problem is that i want to deactive back page when show pop up. I want to know how to acces back page is js and set his opacity and block all control on page only popup control are active till "OK" button hit.


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