var mydate=new Date();
var year=mydate.getFullYear();
var day=mydate.getDay();
var month=mydate.getMonth();
var daym=mydate.getDate();
if (daym<10){
	daym="0"+daym;
}

var dayarray=new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
var montharray=new Array("1","2","3","4","5","6","7","8","9","10","11","12");
if (montharray<10){
	montharray = "0"+montharray
}
var oBox = document.getElementById("date_top");
oBox.innerHTML = year+"-"+montharray[month]+"-"+daym+"，"+dayarray[day];