If this just "all of a sudden" started happening after working fine for a period of time you probably need to check with your web host to find out if they have changed anything on the server.
As far as the socket test, go to your control panel and then general settings. Near the top of the general settings page is a blurb about socket test with a hyperlink there, click it and see if you get any error messages.
I checked your page to see if you by chance had installed any code hacks, but didn't notice any. Sometimes those can be the source of the problem.
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Doug
darksaber.hispeed.comI am altering the deal. Pray I don't alter it any further.
--Darth Vader, The Empire Strikes Back