function showdate(syear,smon,sdate,sday){
var enabled = 0;
today = new Date();
var day;
var date;
date = '';

if(today.getDay()==0) day = "星期日"
if(today.getDay()==1) day = "星期一"
if(today.getDay()==2) day = "星期二"
if(today.getDay()==3) day = "星期三"
if(today.getDay()==4) day = "星期四"
if(today.getDay()==5) day = "星期五"
if(today.getDay()==6) day = "星期六"
if(syear){

//date = "2000年 ";
date = date + today.getYear() + "年";
}
if(smon){
date = date + (today.getMonth() + 1 ) + "月";
}
if(sdate){
date = date + today.getDate() + "日 ";
}
if(sday){
date = date + day +"";
}
document.write( date );
}