function fmoney(s, n)
{
   n = n > 0 && n <= 20 ? n : 2;
   s = parseFloat((s + "").replace(/[^\d\.-]/g, "")).toFixed(n) + "";
   var l = s.split(".")[0].split("").reverse(),
   r = s.split(".")[1];
   t = "";
   for(i = 0; i < l.length; i ++ )
   {
      t += l[i] + ((i + 1) % 3 == 0 && (i + 1) != l.length ? "," : "");
   }
   return t.split("").reverse().join("") + "." + r;
}

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