function showweek(){ // 显示中文星期 
	now = new Date() //定义新对象，new具有Date的性质  
	if (now.getDay() == 0) return ("星期日")   
	if (now.getDay() == 1) return ("星期一")   
	if (now.getDay() == 2) return ("星期二")  
	if (now.getDay() == 3) return ("星期三")  
	if (now.getDay() == 4) return ("星期四")  
	if (now.getDay() == 5) return ("星期五")   
	if (now.getDay() == 6) return ("星期六")   
}   

function showdate() //显示系统日期   
{   
	var now = new Date()   
	var year = now.getYear()   
	var month = now.getMonth()+1   
	var day = now.getDate()   
	return year+"年"+month+"月"+day+"日"   
} 
document.write(showdate()+" -- "+"<strong>"+showweek()+"</strong>")