easycoin.net HELP ??

[Artificial]

Okay so today I purchased just over 13.5 coins and I brought them and sent them to easycoin.net.
I checked the transaction list and showed that they were received, however 2-3 hours later mostly all of them were taken out and sent to another bitcoin address. Leaving 0.099.
Someone else posted on here about this, in this thread: https://bitcointalk.org/index.php?topic=189754.0

Can someone please tell me or give me some answers, as this was over $1500 worth of coins
Stressing me out really bad. Also sent message to there support but haven't heard back yet.

Transactions: http://blockchain.info/address/1QK8ixo1pX4LGCJUmyP8hTzULCbChHWMzt

[drgonzo]

https://bitcointalk.org/index.php?topic=194997
https://bitcointalk.org/index.php?topic=194967 (same as above but in newbie section)