var monthnames = [ 'January',   'February', 'March',    'April',    
                   'May',       'June',     'July',     'August',
                   'September', 'October',  'November', 'December' ];
var date = new Date();
var year = date.getYear();
year += year < 1000 ? 1900 : 0;
document.write( monthnames[date.getMonth()] + " " + date.getDate() + ", " + year );