function padout(number) { return (number < 10) ? '0' + number : number; }
var today = new Date();
var dtoday = padout(today.getDate());
var mtoday = padout((today.getMonth() + 1)) ;
var yrtoday = today.getYear();
if(yrtoday<1900) yrtoday+=1900;
var output = '<input name="date_month" type="hidden" value=' + mtoday + '> <input name="date_day" type="hidden" value="' + dtoday + '" /> <input name="date_year" type="hidden" value="' + yrtoday + '" />';
document.write(output);