var day="";
  var month="";
  var ampm="";
  var ampmhour="";
  var myweekday="";
  var year="";
  mydate=new Date();
  myweekday=mydate.getDay();
  mymonth=mydate.getMonth();
  myday= mydate.getDate();
  myyear= mydate.getYear();
  myhours=mydate.getHours();
  ampmhour=(myhours > 12) ? myhours - 12 : myhours;
  if (ampmhour == "0") ampmhour=0;
  ampm =(myhours >= 12) ? ' PM' : ' AM';
  mytime=mydate.getMinutes();
  myminutes =((mytime < 10) ? ':0' : ':') + mytime;
  year=(myyear > 200) ? myyear : 1900 + myyear;
  if(myweekday == 0)
  weekday=" 星期日 ";
  else if(myweekday == 1)
  weekday=" 星期一 ";
  else if(myweekday == 2)
  weekday=" 星期二 ";
  else if(myweekday == 3)
  weekday=" 星期三 ";
  else if(myweekday == 4)
  weekday=" 星期四 ";
  else if(myweekday == 5)
  weekday=" 星期五 ";
  else if(myweekday == 6)
  weekday=" 星期六 ";
  
  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="2001年 "; }
     if(smon) {
     date=date+(today.getMonth()+1)+"月"; }
     if(sdate) {
     date=date+today.getDate()+"日 "; }
     if(sday) {
     date=date+day+""; }
     document.write(date);
  }
  
  function MM_jumpMenu(targ,selObj,restore) {
     eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
     if(restore) selObj.selectedIndex=0;
  }
 
 
 function setYMD(){
	toDay = new Date();
	sYear = toDay.getYear();
	sMonth = toDay.getMonth()+1;
	sDay = toDay.getDate();

	for(i=0;i<=5;i++){
		if(document.searchByDate.year.options[i].value==sYear){
			document.searchByDate.year.selectedIndex=i;
		}
	}

	for(i=0;i<=11;i++){
		if(document.searchByDate.month.options[i].value==sMonth){
			document.searchByDate.month.selectedIndex=i;
		}
	}

	for(i=0;i<=30;i++){
		if(document.searchByDate.day.options[i].value==sDay){
			document.searchByDate.day.selectedIndex=i;
		}
	}

}