var chnNumChar = [ "零", "一", "二", "三", "四", "五", "六", "七", "八", "九" ];
var chnUnitSection = [ "", "萬", "億", "萬億", "億億" ];
var chnUnitChar = [ "", "十", "百", "千" ];


function SectionToChinese(section) {
var strIns = '', chnStr = '';
var unitPos = 0;
var zero = true;
while (section > 0) {
var v = section % 10;
if (v === 0) {
if (!zero) {
zero = true;
chnStr = chnNumChar[v] + chnStr;
}
} else {
zero = false;
strIns = chnNumChar[v];
strIns += chnUnitChar[unitPos];
chnStr = strIns + chnStr;
}
unitPos++;
section = Math.floor(section / 10);
}
return chnStr;
}
function NumberToChinese(num) {
var unitPos = 0;
var strIns = '', chnStr = '';
var needZero = false;


if (num === 0) {
return chnNumChar[0];
}


while (num > 0) {
var section = num % 10000;
if (needZero) {
chnStr = chnNumChar[0] + chnStr;
}
strIns = SectionToChinese(section);
strIns += (section !== 0) ? chnUnitSection[unitPos] : chnUnitSection[0];
chnStr = strIns + chnStr;
needZero = (section < 1000) && (section > 0);
num = Math.floor(num / 10000);
unitPos++;
}


return chnStr;
}