数字金额变为大写

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;  
}