function showdate() {
	var y=new Date();  
	var dName=new Array("星期天","星期一","星期二","星期三","星期四","星期五","星期六");  
	var mName=new Array("1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月");  
	document.write(y.getYear()+"年" + mName[y.getMonth()] + y.getDate() + "日" + dName[y.getDay()]); 
}