function submitPoll(id, answer) {
	// validate
	if (answer == undefined) {
		return;
	}
	
	// ajax
	$('#gaswork-poll ul')
		.eq(0)
		.load(
			'/ajax_poll_submit.php',
			{
				id:     id,
				answer: answer
			},
			function() {
				$('#btn-gaswork-poll-submit').remove();
			}
		);
}