function copyWrite() {
   today = new Date();
   y = today.getFullYear();
if(y==2002){htm = "Copyright(C) 2002 Mizushima C.S CO.,LTD All rights reserved.";}
if(y > 2002){htm = "Copyright(C) 2002 - "+y+" Mizushima C.S  CO.,LTD All rights reserved.";}
document.getElementById('copy').innerHTML = htm;
}