//copyright.js

date = new Date();
year = date.getYear();
if (year < 2000) year += 1900;
if(year == 2010){
document.write("Copyright&copy;2010 Chiba Pref. All rights reserved.");
} else {
document.write("Copyright&copy;2010-" + year + "Chiba Pref. All rights reserved.");
}