In my error_log from Apache I get the following over and over:

[Thu Dec 10 18:23:21 2009] [error] [client 192.168.10.4] File does not exist: /var/www/html/fop2/js/dragdrop.js, referer: http://localhost:8080/fop2/
[Thu Dec 10 18:23:21 2009] [error] [client 192.168.10.4] File does not exist: /var/www/html/fop2/js/slider.js, referer: http://localhost:8080/fop2/
[Thu Dec 10 18:23:21 2009] [error] [client 192.168.10.4] File does not exist: /var/www/html/fop2/js/controls.js, referer: http://localhost:8080/fop2/
[Thu Dec 10 18:23:21 2009] [error] [client 192.168.10.4] File does not exist: /var/www/html/fop2/js/sound.js, referer: http://localhost:8080/fop2/
[Thu Dec 10 18:23:21 2009] [error] [client 192.168.10.4] File does not exist: /var/www/html/fop2/js/slider.js, referer: http://localhost:8080/fop2/
[Thu Dec 10 18:23:21 2009] [error] [client 192.168.10.4] File does not exist: /var/www/html/fop2/js/sound.js, referer: http://localhost:8080/fop2/
[Thu Dec 10 18:23:26 2009] [error] [client 192.168.10.4] File does not exist: /var/www/html/fop2/fop2-variablesGENERAL.txt, referer: http://localhost:8080/fop2/