post/redirect a page with hidden form values without submit/button action

Hi all, recently i faced one problem :
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[U]test1.php[/U] [U]test2.php[/U] [U]test3.php[/U]
form A Form B,Form C Form D

Now when we submit form A in test1.php , it redirects us to test2.php where Form B and Form C are there.Now this form C will have submit button and will redirect to same page ie test2.php and here in Form B which consists of hidden variables and without any submit button.now when we post or redirect that page through javscript ( document.formname.submit(); ) it redirects me to test3.php.NOW problem arises here, all this code works in Internet Explorer and IN FIREFOX this doesnt work.can anyone suggest a solution.awaiting reply

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