$('#item').block({message:(function(o){ var c=$('#alert').clone(); return c; })(this)});
do not work with jquery 1.4 a1 error info by firefox 3.5 Error: uncaught exception: [Exception... "Could not convert JavaScript argument arg 0 [nsIDOMViewCSS.getComputedStyle]" nsresult: "0x80570009 (NS_ERROR_XPC_BAD_CONVERT_JS)" location: "JS frame :: http://localhost/media/jss/jquery.js :: anonymous :: line 29" data: no]