Changing the Party Poker Screenname to a name with more than 12 letter

[vortex86]

s (the s doesnt fit [img]/images/graemlins/smile.gif[/img] )

is it possivle somehow. i see these very long screennames with 19 or so characters.

when i try it over the partyaccount.com page it doesnt work.
maybe contact the custumer or vip support?

thanks