plugins and jquery.post

and i’m stuck. i’m calling this function in an admin subpanel:

//gets the ipn info and alerts
function getIPN(id)
{
    jQuery.post("my_ajax.php"
                , { ipn_id: ""+id+"" }
                , function(data)
                    {
                        alert(data);
                    }
                , "text"
                );
}

i’ve called it both in <a href=”javascript:getIPN(22)”.. and <a href=”#” onclick=”getIPN(22)”..

firefox 2 and 3 have a fine time handling it.. i think safari and chrome are fine with it.. yet, ie6 bites the big one. any thoughts? i’ve also tried jquery.ajax, $.post (prefacing it appropriately to recognize the $). doesn’t matter.. ie6 doesn’t like it.

i’m stuck and going to kick something.. any help would be greatly appreciated.. thanks.