js转换金额为中文大写

function changeMoneyToChinese(money){
            var cnNums = new Array("零","壹","贰","叁","肆","伍","陆","柒","捌","玖"); //汉字的数字
            var cnIntRadice = new Array("","拾","佰","仟"); //基本单位
            var cnIntUnits = new Array("","万","亿","兆"); //对应整数部分扩展单位
            var cnDecUnits = new Array("角","分","毫","厘"); //对应小数部分单位
            //var cnInteger = "整"; //整数金额时后面跟的字符
            var cnIntLast = "元"; //整型完以后的单位
            var maxNum = 999999999999999.9999; //最大处理的数字

            var IntegerNum; //金额整数部分
            var DecimalNum; //金额小数部分
            var ChineseStr=""; //输出的中文金额字符串
            var parts; //分离金额后用的数组，预定义
            if( money == "" ){
                return "";
            }
            money = parseFloat(money);
            if( money >= maxNum ){
                $.alert('超出最大处理数字');
                return "";
            }
            if( money == 0 ){
                //ChineseStr = cnNums[0]+cnIntLast+cnInteger;
                ChineseStr = cnNums[0]+cnIntLast
                //document.getElementById("show").value=ChineseStr;
                return ChineseStr;
            }
            money = money.toString(); //转换为字符串
            if( money.indexOf(".") == -1 ){
                IntegerNum = money;
                DecimalNum = '';
            }else{
                parts = money.split(".");
                IntegerNum = parts[0];
                DecimalNum = parts[1].substr(0,4);
            }
            if( parseInt(IntegerNum,10) > 0 ){//获取整型部分转换
                zeroCount = 0;
                IntLen = IntegerNum.length;
                for( i=0;i<IntLen;i++ ){
                    n = IntegerNum.substr(i,1);
                    p = IntLen - i - 1;
                    q = p / 4;
                    m = p % 4;
                    if( n == "0" ){
                        zeroCount++;
                    }else{
                        if( zeroCount > 0 ){
                            ChineseStr += cnNums[0];
                        }
                        zeroCount = 0; //归零
                        ChineseStr += cnNums[parseInt(n)]+cnIntRadice[m];
                    }
                    if( m==0 && zeroCount<4 ){
                        ChineseStr += cnIntUnits[q];
                    }
                }
                ChineseStr += cnIntLast;
                //整型部分处理完毕
            }
            if( DecimalNum!= '' ){//小数部分
                decLen = DecimalNum.length;
                for( i=0; i<decLen; i++ ){
                    n = DecimalNum.substr(i,1);
                    if( n != '0' ){
                        ChineseStr += cnNums[Number(n)]+cnDecUnits[i];
                    }
                }
            }
            if( ChineseStr == '' ){
                //ChineseStr += cnNums[0]+cnIntLast+cnInteger;
                ChineseStr += cnNums[0]+cnIntLast;
            }/* else if( DecimalNum == '' ){
                ChineseStr += cnInteger;
                ChineseStr += cnInteger;
            } */
            return ChineseStr;
        }