GM系の関数が足りないだけだから

// @copyright 2009, James Campos
// @license cc-by-3.0; http://creativecommons.org/licenses/by/3.0/
if((typeof GM_getValue=='undefined')||(GM_getValue('a','b')==undefined)){
GM_addStyle=function(css){var style=document.createElement('style');
style.textContent=css;document.getElementsByTagName('head')[0].appendChild(style);};
GM_deleteValue=function(name){localStorage.removeItem(name);};GM_getValue=function(name,defaultValue){
var value=localStorage.getItem(name);if(!value)return defaultValue;var type=value[0];
value=value.substring(1);switch(type){case 'b':return value=='true';case 'n':return Number(value);
default:return value;}};GM_log=function(message){if(window.opera){opera.postError(message);return;}
console.log(message);};GM_registerMenuCommand=function(name,funk){};
GM_setValue=function(name,value){value=(typeof value)[0]+value;localStorage.setItem(name,value);};}

これを
// ver 0.1 @ 2005-06-04 by motemen http://tokyoenvious.xrea.jp/
と
//Update Check
の間に貼り付けてインストールだ