Hi all,<BR>I am facing an unusual problem, if anybody can help, its fantastic.<BR>there&#039s a html form which is using post method to pass form data to the <BR>processing script.<BR>and after the processing is done the user is redirected to another page,<BR>after the redirection if the i press the back button on the browser<BR>the browser displays the following error.<BR><BR><BR>*******Error*******<BR>Data Missing<BR><BR>This document resulted from a POST operation and has expired from the <BR>cache. If you wish you can repost the form data to recreate the document <BR>by pressing the<BR>reload button.<BR><BR>******End of Error********