jQuery: Have UI datetimepicker 'Now' button use UTC time?

This solution requires an update of the source code:
http://stackoverflow.com/a/17833188/732797

How to find id of enclosing tr

var myId = $(this).closest('tr').attr('id');

How to post without redirecting / reloading the page

$.post(action, $('#MY_FORM').serialize());

How to deal with dots in HTML id

/* "." and ":" are problematic within the context of a jQuery selector
 * because they indicate a pseudo-class and class, respectively */
myId = myId.replace(/(:|\.)/g, "\\$1");