Sounds to me like the Syrians are getting the message loud and clear. This is a part of the results of the Iraqi campaign. They now can see their neck is next on the chopping block.
"It concentrates a man's mind wonderfully when he knows he is to be hanged in a fortnight." --Samuel Johnson
Well, they're worried about the chopping block, sure, but I figure they have to be worried about the Israelis finding sadams weapons even more.