blockUI - message

Hi, i`m with problem in blockUI
$().ajaxStop($.unblockUI);
$('#home').click(function() {
$.blockUI({ message: '<h1><img src="load-1.gif" /> Just a
moment...</h1>' });
$("#content").load("home.php");
});
show blockUI OK, but message default and i want change message.
what i did wrong ?
thanks