数字类型钱币转换为大写

//小写金额转大写金额
function convertCurrency(currencyDigits) {  
    var MAXIMUM_NUMBER = 99999999999.99;   
    var CN_ZERO = "零";  
    var CN_ONE = "壹";  
    var CN_TWO = "贰";  
    var CN_THREE = "叁";  
    var CN_FOUR = "肆";  
    var CN_FIVE = "伍";  
    var CN_SIX = "陆";  
    var CN_SEVEN = "柒";  
    var CN_EIGHT = "捌";  
    var CN_NINE = "玖";  
    var CN_TEN = "拾";  
    var CN_HUNDRED = "佰";  
    var CN_THOUSAND = "仟";  
    var CN_TEN_THOUSAND = "万";  
    var CN_HUNDRED_MILLION = "亿";  
    var CN_SYMBOL = "";  
    var CN_DOLLAR =(""+currencyDigits).indexOf(".")==-1? "":"元"; 
    var CN_TEN_CENT = "角";  
    var CN_CENT = "分";  
    var CN_INTEGER = "";  
        
    var integral;   
    var decimal; 
    var outputCharacters; 
    var parts;  
    var digits, radices, bigRadices, decimals;  
    var zeroCount;  
    var i, p, d;  
    var quotient, modulus;  
      
    currencyDigits = currencyDigits.toString();   
      
    currencyDigits = currencyDigits.replace(/,/g, ""); 
    currencyDigits = currencyDigits.replace(/^0+/, ""); 
    
    if (Number(currencyDigits) > MAXIMUM_NUMBER) {  
      globalUtil.errorMsg(globalErrorMsg[‘100404‘]);  
      return "";  
    }        
    parts = currencyDigits.split(".");  
    if (parts.length > 1) {  
      integral = parts[0];  
      decimal = parts[1];  
      decimal = decimal.substr(0, 2);  
    }  
    else {  
      integral = parts[0];  
      decimal = "";  
    }  
    digits = new Array(CN_ZERO, CN_ONE, CN_TWO, CN_THREE, CN_FOUR, CN_FIVE, CN_SIX, CN_SEVEN, CN_EIGHT, CN_NINE);  
    radices = new Array("", CN_TEN, CN_HUNDRED, CN_THOUSAND);  
    bigRadices = new Array("", CN_TEN_THOUSAND, CN_HUNDRED_MILLION);  
    decimals = new Array(CN_TEN_CENT, CN_CENT);  
    outputCharacters = "";  
    if (Number(integral) > 0) {  
      zeroCount = 0;  
      for (i = 0; i < integral.length; i++) {  
       p = integral.length - i - 1;  
       d = integral.substr(i, 1);  
       quotient = p / 4;  
       modulus = p % 4;  
       if (d == "0") {  
        zeroCount++;  
       }  
       else {  
        if (zeroCount > 0)  
        {  
         outputCharacters += digits[0];  
        }  
        zeroCount = 0;  
        outputCharacters += digits[Number(d)] + radices[modulus];  
      }  
       if (modulus == 0 && zeroCount < 4) {  
        outputCharacters += bigRadices[quotient];  
      }  
      }  
      outputCharacters += CN_DOLLAR;  
    }  
    if (decimal != "") {  
      for (i = 0; i < decimal.length; i++) {  
       d = decimal.substr(i, 1);  
       if (d != "0") {  
        outputCharacters += digits[Number(d)] + decimals[i];  
       }  
      }  
    }  
    if (outputCharacters == "") {  
      outputCharacters = CN_ZERO + CN_DOLLAR;  
    }  
    if (decimal == "") {  
      outputCharacters += CN_INTEGER;  
    }  
    outputCharacters = CN_SYMBOL + outputCharacters;  
    return outputCharacters;  
}