note 41713 added to faq.installation

I had installed PHP on Windows xp but it presents a problem, don`t let pass the values of the variables betwen 2 diferents pages.Example: Page: index.htm <form name="form1" method="post" action="response.php"> name: <input type="text" name="firstname"> <input type="button" value="send"> </form> page: response.php <?php echo "Your name is: $firstname"; ?> In this page apear an error message like: undefinided variable name $firstname on page response.php line xx What ma be the cause of this error? I run the same code on linux an it run correctly. Thanks ---- Manual Page -- http://www.php.net/manual/en/faq.installation.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+41713 Delete -- http://master.php.net/manage/user-notes.php?action=delete+41713&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+41713&report=yes Search -- http://master.php.net/manage/user-notes.php