Firstly, I am newbie here and all my greetings for everybody !!
I work in the website and when I click on a link, normally, this link starts an applet in java but there's nothing in the webpage ( It's a blank page).
I saw on my apache_error.log these logs :
these underlined lines are problems, please can you advice me and if you need of more informations please tell me...[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: applet in C:\\wamp\\www\\wsign\\applet.php on line 2, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: files_tosign in C:\\wamp\\www\\wsign\\applet.php on line 10, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: upload_url in C:\\wamp\\www\\wsign\\applet.php on line 14, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: error_url in C:\\wamp\\www\\wsign\\applet.php on line 17, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: logged_url in C:\\wamp\\www\\wsign\\applet.php on line 18, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: not_logged_url in C:\\wamp\\www\\wsign\\applet.php on line 19, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: identifiant in C:\\wamp\\www\\wsign\\applet.php on line 21, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: compte in C:\\wamp\\www\\wsign\\applet.php on line 22, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: compteinitial in C:\\wamp\\www\\wsign\\applet.php on line 23, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: comptefinal in C:\\wamp\\www\\wsign\\applet.php on line 24, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: session in C:\\wamp\\www\\wsign\\applet.php on line 25, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: isJS in C:\\wamp\\www\\wsign\\applet.php on line 26, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: urlJS in C:\\wamp\\www\\wsign\\applet.php on line 27, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: typeabonnement in C:\\wamp\\www\\wsign\\applet.php on line 28, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Notice: Undefined variable: img_sign_url in C:\\wamp\\www\\wsign\\applet.php on line 88, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://localhost/wsign/
[Fri Mar 30 11:20:08 2012] [error] [client 127.0.0.1] PHP 1. {main}() C:\\wamp\\www\\wsign\\applet.php:0, referer: http://localhost/wsign/
Alex