How do I write if I want to pass two data item

How do I write if I want to pass two data item

In this example I only pass one key value pair
 if (type == "opening")
       {
           myID = bookingItem.Objectid + "_" + bookingItem.VesselID + '_1';

           $('#' + myID).live('click', function (e)
           {
               $("#dlgBooking").data("id", myID).dialog({
                   width: 230
               });
           });
       }

but if I want to pass a second key, value pair.
So my first key, value pair is "id",myID and my second key,value pair is
"fullid",fullID

How do I write this ?
if (type == "opening")
       {
           myID = bookingItem.Objectid + "_" + bookingItem.VesselID + '_1';
           fullID = bookingItem + "_" + bookingItem.VesselName + "_open";

           $('#' + myID).live('click', function (e)
           {
               $("#dlgBooking").data("id", myID).dialog({
                   width: 230
               });
           });
       }

//Tony