Converting from prototype to jQuery

Converting from prototype to jQuery

I would like to convert the following code to jQuery ajax.load or ajax.get function but it wont work for me...
heres the code to convert...

 new Ajax.Updater(myDiv, page, { method: 'get', parameters: params, onComplete: function(){ new Effect.Highlight($(myDiv));}});


here's the code i wrote...

    $(myDiv).load(page, function() {
        $('#persistentBarStage').fadeIn(3000, function() {
           $(myDiv).fadeIn(100);
        });
    });

It doesn't work what am i doing wrong? any help please...