I couldn't get live or delegate to work on a div in a lightbox (tinybox).
I used setTimeout successfullly, in the following simple way:
$('#displayContact').click(function() { TINY.box.show({html:'', close:true}); setTimeout(setContactClick, 1000);})function setContactClick() { $('#contactSubmit').click(function() { alert($('#contactText').val()); })}
Reference :