[Help] WTF is this?

from 3 days now i keep getting this nasty error when i fast reply

im using ff 3.0.8 (win xp sp 3 )

function TFclick1594479551_DoFSCommand(command, args){ if (command == tf_click_command1594479551 && tf_use_embedded_flash_url1594479551 == 1) { window.open(tf_click1594479551+args,'_blank'); } else if (command == tf_click_command1594479551 || tf_ignore_fscommand_args1594479551 == 1) { window.open(tf_clickURL1594479551,'_blank'); } }