Transmission

i'm using archlinux.
archlinux i'm install two pkg, transmission-cli and transmission-gtk.
first i start my web client.
# /etc/rc.d/transmission start
and go to browser keyin localhost:9091 to log in web interface. downloading file "abc123". i pause it.
and open with transmission-gtk, but it getting ...

i'm using firefox to display web interface no problem, everything is fine. but when i using opera. i can't add any torrent file to transmission using opera web interface. right click function in firefox is ok. but in opera not ok.

do anyone had same problem?

i'm using web client in opera can't add torrent to transmission. is that my opera broken?