js格式化数字，金额按千位逗号分隔，负号用括号

 // 返回数字
 function removeFormatMoney(s) {
     s = s.toString().replace("(","-").replace(")","");
     return parseFloat(s.replace(/[^\d\.-]/g, ""));
 }
 /*
  * formatMoney(s,type)
  * 功能：金额按千位逗号分隔，负号用括号
  * 参数：s，需要格式化的金额数值.
  * 参数：type,判断格式化后的金额是否需要小数位.
  * 返回：返回格式化后的数值字符串.
  */
 function formatMoney(s, type) {
     var result = s;
     if (s < 0)
         s = 0 - s;
     if (/[^0-9\.]/.test(s))
         return "0.00";
     if (s == null || s == "null" || s == "")
         return "0.00";
     if (type > 0)
         s = new Number(s).toFixed(type);
     s = s.toString().replace(/^(\d*)$/, "$1.");
     s = (s + "00").replace(/(\d*\.\d\d)\d*/, "$1");
     s = s.replace(".", ",");
     var re = /(\d)(\d{3},)/;
     while (re.test(s))
         s = s.replace(re, "$1,$2");
     s = s.replace(/,(\d\d)$/, ".$1");
     if (type == 0) {
         var a = s.split(".");
         if (a[1] == "00") {
             s = a[0];
         }
     }
     if (result < 0)
         result = "(" + s + ")";
     else
         result = s;
     return result;
 }