Character counter for WordPress editor

wp-editor-char-count.php

<?php

// handy if you write status posts and send them to Twitter

function akv3_editor_char_count() {
?>
<script type="text/javascript">
(function($) {
	wpCharCount = function(txt) {
		$('.char-count').html("" + txt.length);
	};
	$(document).ready(function() {
		$('#wp-word-count').append('<br />Char count: <span class="char-count">0</span>');
	}).bind( 'wpcountwords', function(e, txt) {
		wpCharCount(txt);
	});
	$('#content').bind('keyup', function() {
		wpCharCount($('#content').val());
	});
}(jQuery));
</script>
<?php
}
add_action('dbx_post_sidebar', 'akv3_editor_char_count');