js的数字改成大小写

 var stmp = "";
 function nst(t,m){
  if(t.value==stmp) return;
  if(isNaN(t.value)){
   alert("请输入数字");
  }
  else{
   var ms = t.value.replace(/[^\d\.]/g,"").replace(/(\.\d{2}).+$/,"$1").replace(/^0+([1-9])/,"$1").replace(/^0+$/,"0");
   var ms = t.value;
   var txt = ms.split(".");
   while(/\d{4}(,|$)/.test(txt[0]))
    txt[0] = txt[0].replace(/(\d)(\d{3}(,|$))/,"$1,$2");
   t.value = stmp = txt[0]+(txt.length>1?"."+txt[1]:"");
   //var bbb=document.getElementById("bbb");
   //bbb.value = number2num1(ms-0,t);
   m.val(number2num1(ms-0,t));
  }
 }

 function number2num1(strg,obj){
  var number = Math.round(strg*100)/100;  //取2位小数
  number = number.toString(10).split(".");  //拆分整数和小数部分
  var a = number[0];  //取整数部分
  if (a.length > 12){
   obj.value = obj.value.substring(0,12);
   return "数值超出范围！支持的最大数值为 999999999999.99";
  }
  else{
   var e = "零壹贰叁肆伍陆柒捌玖";
   var num1 = "";
   var len = a.length-1;
   for (var i=0 ; i<=len; i++)
    num1 += e.charAt(parseInt(a.charAt(i))) + [["圆","万","亿"][Math.floor((len-i)/4)],"拾","佰","仟"][(len-i)%4];
    if(number.length==2 && number[1]!=""){  //判断有无小数部分，以下对小数部分进行处理
     var a = number[1];
     for (var i=0 ; i<a.length; i++)
      num1 += e.charAt(parseInt(a.charAt(i))) + ["角","分"][i];
    }
   num1 = num1.replace(/零佰|零拾|零仟|零角/g,"零");
   num1 = num1.replace(/零{2,}/g,"零");
   num1 = num1.replace(/零(?=圆|万|亿)/g,"");
   num1 = num1.replace(/亿万/,"亿");
   num1 = num1.replace(/^圆零?/,"");
   if(num1!="" && !/分$/.test(num1))
    num1 += "整";
//   alert(num1);
   return num1;
  }
 }
 
 function removeQianFenWei(zz)

{
	 alert("122323");
var txtBox=document.getElementById(zz);
txtBox.value=txtBox.value.replace(/,/g,"");//如果是replace(',','')是只替换第一个
alert(txtBox.value);

}