var nowdate;
var year,month,day,week;

nowdate = new Date;
year = nowdate.getFullYear();
month = nowdate.getMonth()+1;
day = nowdate.getDate();
week = nowdate.getDay();
switch(week)
{
   case 0:
   	week = "星期日";
   	break;
   case 1:
   	week = "星期一";
   	break;
   case 2:
   	week = "星期二";
   	break;
   case 3:
        week = "星期三";
        break;
   case 4:
   	week = "星期四";
   	break;
   case 5:
   	week = "星期五";
   	break;
   case 6:
        week = "星期六";
        break;
}  
document.write(year+"-"+month+"-"+day+" "+week);