var today=new Date;                                      
var week=new Array(7);
week[0]="天";                                       
week[1]="一";                                       
week[2]="二";                                       
week[3]="三";                                      
week[4]="四";                                      
week[5]="五";                                       
week[6]="六";                                       
document.write(today.getYear()+"年" + (today.getMonth() + 1) + "月" + today.getDate() + "日" + "                        星期" + week[today.getDay()]);