Handling post back for jquery control

This is the way you can handle post back issues.

function pageLoad(sender, args)
{
   if (args.get_isPartialLoad())
   {
       //Specific code for partial postbacks can go in here.
   }
}

for ref:
http://stackoverflow.com/questions/301473/rebinding-events-in-jquery-after-ajax-update-updatepanel