Undefined variable error

When I run the script in Firefox on Linux the result looks OK but I am getting the following in the httpd/error_log.

[Tue Jan 15 12:10:56 2008] [error] [client 127.0.0.1] PHP Notice: Undefined variable: aa in /home/dwright/public_html/Test/RoundedDIV.class.php on line 10, referer: http://localhost/~dwright/Test/
[Tue Jan 15 12:10:56 2008] [error] [client 127.0.0.1] PHP Notice: Undefined variable: aa in /home/dwright/public_html/Test/RoundedDIV.class.php on line 10, referer: http://localhost/~dwright/Test/
[Tue Jan 15 12:10:56 2008] [error] [client 127.0.0.1] PHP Notice: Undefined variable: aa in /home/dwright/public_html/Test/RoundedDIV.class.php on line 10, referer: http://localhost/~dwright/Test/
[Tue Jan 15 12:10:56 2008] [error] [client 127.0.0.1] PHP Notice: Undefined index: antialiasing in /home/dwright/public_html/Test/RoundedDIV.class.php on line 34, referer: http://localhost/~dwright/Test/
[Tue Jan 15 12:10:56 2008] [error] [client 127.0.0.1] PHP Notice: Undefined index: autopad in /home/dwright/public_html/Test/RoundedDIV.class.php on line 35, referer: http://localhost/~dwright/Test/
[Tue Jan 15 12:10:56 2008] [error] [client 127.0.0.1] PHP Notice: Undefined index: autopad in /home/dwright/public_html/Test/RoundedDIV.class.php on line 35, referer: http://localhost/~dwright/Test/
[Tue Jan 15 12:10:56 2008] [error] [client 127.0.0.1] PHP Notice: Undefined index: autopad in /home/dwright/public_html/Test/RoundedDIV.class.php on line 35, referer: http://localhost/~dwright/Test/

Ah, found the problem =)
Just forgot to change the constructor to reflect the changes in parameter passing behaviour..
Should be fixed now =)