[jQuery] batch operations

[jQuery] batch operations


i want to do batch operations. and run a callback function.
for example: run three jquery method after then run a callback
function
jQuery('#staff').load('add_1.php', {group: 'staff', dept:'all',
typ:'A'});
jQuery('#staff').load('add_2.php', {group: 'staff', dept:'all',
typ:'I'});
jQuery('#staff').load('add_2.php', {group: 'staff', dept:'all',
typ:'all'});
is there any method?