Manually passed 'beforeSend' is fired after extension-owned 'before' callbacks [BC break!]
Manually passed 'beforeSend' is fired after extension-owned 'before' callbacks [BC break!]

Context: http://forum.nette.org/cs/14600-vlastni-js-script-pred-a-po-odeslani-ajaxu
vojtech-dobes/nette.ajax.js