zh_1 = new Image(95,22);
zh_1.src = "/images/button/zh.gif";
zh_2 = new Image(95,22);
zh_2.src= "/images/button/zh_2.gif";
en_1 = new Image(95,22);
en_1.src = "/images/button/en.gif";
en_2 = new Image(95,22);
en_2.src= "/images/button/en_2.gif";