today=new Date();
year=today.getYear();
date=today.getDate();
month=today.getMonth()+1;

function initArray(){
this.length=initArray.arguments.length;
for(var i=0;i<this.length;i++)
this[i+1]=initArray.arguments[i];
}

var d=new initArray("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
document.write(d[today.getDay()+1]+"&nbsp;"+year+"-"+month+"-"+date);