Thanks for the response corion. The whole page is designed using mod_perl. The page lock refers to displaying a small alert saying "operation in progress". You can't execute any other work until the previous request is completed.

Whenever i tried to execute a javascript without download code, the page is responding as expected. But when i include the download code into the script, that's creating the issue.

In reply to Re^2: File download using mod perl by sathya_myl
in thread File download using mod perl by sathya_myl

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