function chooseOneway() {
 document.getElementById('RoundTrip').style.display='none';
 document.getElementById('OneWay').style.display='block';
 }

function chooseRoundtrip() {
 document.getElementById('OneWay').style.display='none';
 document.getElementById('RoundTrip').style.display='block';
 }

function miniPage(l,w,h,s){
  window.open(l,"new","width=" + w + ",height=" + h + ",left=0,top=0,location=no,status=no,menubar=no,toolbar=no,scrollbars=" + s + ",resizable=yes");
}

function openCalendar(){
  newWin = window.open("http://www.kokuken.cn/calendar/","new","width=400,height=220,resizable=yes,status=0");
}