a_chin_chin_a_chin.user.js

// ==UserScript==
// @name           a chin chin a chin
// @namespace      http://mattn.kaoriya.net/
// @include        http://wassr.jp/my/
// ==/UserScript==

(function() {
	var forms = document.getElementsByTagName('form');
	for (var n = 0; n < forms.length; n++) {
		if (forms[n].action == 'http://wassr.jp/my/status/add') {
			forms[n].addEventListener('submit', function() {
				document.getElementById('MessageText').value += ' ﾁﾝﾁﾝ';
			}, false);
		}
	}
})();