<!--
// 分期付款
function CalcMPayInt2()  //月攤還額
{
	var loan=ValidateIntString(document.nbform.loan.value,0);
  var yrate=ValidateIntString(document.nbform.yrate.value,1);
  var yperiods= ValidateIntString(document.nbform.yperiods.value,0);
  var tyear= ValidateIntString(document.nbform.tyear.value,0);

  var mrate=yrate/1200;
  var mratecoe=1/(mrate+1);  //月利率係數
var interval=(tyear*12 ) - yperiods*12;
  var comintcoe=Math.pow(mratecoe,interval+1);  //複利係數
  var mpayment=loan*10000/((mratecoe-comintcoe)/(1-mratecoe));  //月攤還額
var  mpayint1=loan*mrate;  //每月利息
if (yperiods=="0")
	 mpayint1=0
else
	 mpayint1=Math.round(mpayint1);  //每月利息
  mpayment=Math.round(mpayment);
  document.nbform.loan.value=MakeMoneyString(loan);
  document.nbform.yrate.value=yrate;
  document.nbform.yperiods.value=yperiods;
  document.nbform.mpayment.value=MakeMoneyString(mpayment);
	document.nbform.mpayint1.value=MakeMoneyString(mpayint1);

  document.nbform.loan.focus();
}

function CalcLoan()  //計算貸款金額
{
  var mpayment=ValidateIntString(document.nbform.mpayment.value,0);
  var yrate=ValidateIntString(document.nbform.yrate.value,1);
  var yperiods= ValidateIntString(document.nbform.yperiods.value,0);
  var tyear= ValidateIntString(document.nbform.tyear.value,0);
var interval=tyear-yperiods;

  var mrate=yrate/1200;
  var mratecoe=1/(mrate+1);  //月利率係數
  var comintcoe=Math.pow(mratecoe,interval*12+1);  //複利係數
  var loan=mpayment*((mratecoe-comintcoe)/(1-mratecoe));  //貸款金額
	var mpayint1=loan*mrate;  //每月利息
if (yperiods=="0")
	 mpayint1=0
else
	 mpayint1=Math.round(mpayint1);  //每月利息

  loan=Math.round(loan);
  document.nbform.loan.value=MakeMoneyString(loan);
  document.nbform.yrate.value=yrate;
  document.nbform.yperiods.value=yperiods;
  document.nbform.mpayment.value=MakeMoneyString(mpayment);
	document.nbform.mpayint1.value=MakeMoneyString(mpayint1);

  document.nbform.loan.focus();
}


function ReInput()  //清除所有欄位
{
	document.nbform.loan.value="";
	document.nbform.yrate.value="";
	document.nbform.mpayint.value="";
	document.nbform.loan.focus();
}

function MakeMoneyString(Input)  //產生金額三節號字串
{
	var src=""+Input;
	 var result="";
	var idx=0;
	for( cnt=0; cnt<src.length; cnt++ )
	{
			if( idx==3)
			{
				idx=0;
				result=","+result;
			}
		 idx++;
			result=src.charAt(src.length-1-cnt)+result;
	}
	return result;
}

function ValidateIntString(Input,Flag)  //處理輸入字串有效字元
{
	var tempstr="";
	 var pointcnt=0;

	 for( idx=0; idx<Input.length; idx++ )
	{
		 ch=Input.charAt(idx)
		 if( ch=="." )
				 pointcnt++;
		 if( pointcnt>Flag )
					break;
		 if( ch=="." || ( ch>="0" && ch <="9" ) )
					tempstr=tempstr+ch;
	}
	if( tempstr=="." || tempstr=="" )
			tempstr="0";
	 if( tempstr.charAt(tempstr.length-1)=="." )
			tempstr=tempstr.substring(0,tempstr.length-1);

	 return Math.abs(tempstr);
}
// 分期付款

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}