Json callback problem

I'm trying to get a greasemonkey's script to work jquery and json. this is the json url http://www.sora101.net/auction.php?id=1&callback=

this is part of the script

$.getJSON("http://sora101.net/aucti开发者_如何学编程on.php?id=1&callback=?",
                    function(data){
                        alert(data.id);
                    }
                    );

i always get something like this "Error: jsonp1282646809490 is not defined" in the console.

i also found this h**p://www.xucia.com/CrossSafe/test.html on this site i get the right object returned but when i include this in my script it doesn't work...

can anyone help me? thanks and sorry for bad english

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It seems like you should be using JSONP and now JSON as you're using different domains.

From jQyuery.getJSON() documentation: Blockquote

JSONP If the URL includes the string "callback=?" in the URL, the request is treated as JSONP instead. See the discussion of the jsonp data type in $.ajax() for more details.