$.ajax() post

$("#selSvcPkgBtn").live('click', function(event){
    $.ajax({
        type: 'post',
        url: 'index.cfm?cfaction=DepartureReport.CreateNewCheckFormVars',
        data: $('#frm_SvcPkgSel').serialize(),
        cache: false,
        success: function(){
            alert(data);
    /*$.get('index.cfm?cfaction=DepartureReport.CreateNewCheckFormVars',function(data){
                        $('#s4').html(data);
                    });*/
                },
                error: function(){
                    alert('data');
                }
        })
    });