function y2k(number) { return (number < 1000) ? number + 1900 : number; }

var now = new Date();
var dd = now.getDate() , mt = now.getMonth() + 1 , yy = y2k(now.getYear()) , weekVal = now.getDay();
/*switch(weekVal){
	case 0:msg1="星期日";break;
	case 1:msg1="星期一"; break;
	case 2:msg1="星期二";break;
	case 3:msg1="星期三";break;
	case 4:msg1="星期四";break;
	case 5:msg1="星期五";break;
	case 6:msg1="星期六";break;
 }//
 document.write(yy + "年" + mt + "月" + dd + "日 " + msg1);*/
 document.write(yy + "-" + mt + "-" + dd);