function getHkPayType(){
 var val = 1;
 obj = document.getElementsByName('hk_PayType');
 if(obj[1].checked){
  val = 2;
 }
 return val;
}

function hkCalc(){
 var payType = getHkPayType();
 if(payType == 1){
  dxLoanCalc(); 
 }else{
  djLoanCalc(); 
 } 
}

function setHkUI(){
 var n = getHkPayType();
 var obj1 = document.getElementById('tr_dxMonthPay');
 var obj2 = document.getElementById('tr_djFirstPay');
 var obj3 = document.getElementById('tr_djLastPay');
 var obj4 = document.getElementById('tr_djMonthPay');
 if(n==1){
  obj1.style.display = '';
  obj2.style.display = 'none';
  obj3.style.display = 'none';
  obj4.style.display = 'none'; 
 }
 if(n==2){
  obj1.style.display = 'none';
  obj2.style.display = '';
  obj3.style.display = '';
  obj4.style.display = '';
 }
}

function setHkRate(){
 obj1 = document.getElementById('aaafangchan_hk_pfcRate');
 obj2 = document.getElementById('aaafangchan_hk_comRate');
 var years = dxGetLoanYear();
 var rateClass = dxGetRateClass();
 var pfcRate = getPfcLoanRate(rateClass,years);
 var comRate = getComLoanRate(rateClass,years);
 obj1.value = Math.round(pfcRate * 100000) / 1000 + '%';
 obj2.value = Math.round(comRate * 100000) / 1000 + '%';
}