CrossFire Event hack

Hey

now the back to school scavenger hunt event is up I was wondering if it would be possible to complete it without doing anything.

Here are the POST parameters involved:

ctl00%24Main%24ctl00
_EVENTTARGET
_EVENTARGUMENT
_EVENTVALIDATION
_ASYNCPOST
_checkStatus.x
_checkStatus.y

I'm most interested if we could modify the EVENTVALIDATION so it would count as succeeded.

Here are my current parameters:
pastebin slash D1B6vv98 (no link posting = op)

I haven't completed the first challenge yet, i'll come back & post my parameters again if it's done.

Anyone could find out what's actually in _EVENTVALIDATION or post your own parameter? (Easy app would be Tamper data in Firefox)

Or just tell if it would'nt be possible.

Sincerly,
Bert