將金額小寫轉化成漢字大寫(javascript)

 function Arabia_to_Chinese(Num){
   for(i=Num.length-1;i>=0;i--)
   {
    Num = Num.replace(",","")//替換tomoney()中的“,”
    Num = Num.replace(" ","")//替換tomoney()中的空格
   }
   Num = Num.replace("￥","")//替換掉可能出現的￥字元
   if(isNaN(Num)) { //驗證輸入的字元是否為數字
    alert("請檢查小寫金額是否正確");
    return;
   }
   //---字元處理完畢，開始轉換，轉換採用前後兩部分分別轉換---//
   part = String(Num).split(".");
   newchar = "";
   //小數點前進行轉化
   for(i=part[0].length-1;i>=0;i--){
   if(part[0].length > 10){ alert("位元過大，無法計算");return "";}//若數量超過拾億單位，提示
    tmpnewchar = ""
    perchar = part[0].charAt(i);
    switch(perchar){
    case "0": tmpnewchar="零" + tmpnewchar ;break;
    case "1": tmpnewchar="壹" + tmpnewchar ;break;
    case "2": tmpnewchar="貳" + tmpnewchar ;break;
    case "3": tmpnewchar="三" + tmpnewchar ;break;
    case "4": tmpnewchar="肆" + tmpnewchar ;break;
    case "5": tmpnewchar="伍" + tmpnewchar ;break;
    case "6": tmpnewchar="陸" + tmpnewchar ;break;
    case "7": tmpnewchar="柒" + tmpnewchar ;break;
    case "8": tmpnewchar="捌" + tmpnewchar ;break;
    case "9": tmpnewchar="玖" + tmpnewchar ;break;
    }
    switch(part[0].length-i-1){
    case 0: tmpnewchar = tmpnewchar +"元" ;break;
    case 1: if(perchar!=0)tmpnewchar= tmpnewchar +"拾" ;break;
    case 2: if(perchar!=0)tmpnewchar= tmpnewchar +"佰" ;break;
    case 3: if(perchar!=0)tmpnewchar= tmpnewchar +"仟" ;break;
    case 4: tmpnewchar= tmpnewchar +"萬" ;break;
    case 5: if(perchar!=0)tmpnewchar= tmpnewchar +"拾" ;break;
    case 6: if(perchar!=0)tmpnewchar= tmpnewchar +"佰" ;break;
    case 7: if(perchar!=0)tmpnewchar= tmpnewchar +"仟" ;break;
    case 8: tmpnewchar= tmpnewchar +"億" ;break;
    case 9: tmpnewchar= tmpnewchar +"拾" ;break;
    }
    newchar = tmpnewchar + newchar;
   }
   //小數點之後進行轉化
   if(Num.indexOf(".")!=-1){
   if(part[1].length > 2) {
    alert("小數點之後只能保留兩位,系統將自動截段");
    part[1] = part[1].substr(0,2)
    }
   for(i=0;i<part[1].length;i++){
    tmpnewchar = ""
    perchar = part[1].charAt(i)
    switch(perchar){
    case "0": tmpnewchar="零" + tmpnewchar ;break;
    case "1": tmpnewchar="壹" + tmpnewchar ;break;
    case "2": tmpnewchar="貳" + tmpnewchar ;break;
    case "3": tmpnewchar="三" + tmpnewchar ;break;
    case "4": tmpnewchar="肆" + tmpnewchar ;break;
    case "5": tmpnewchar="伍" + tmpnewchar ;break;
    case "6": tmpnewchar="陸" + tmpnewchar ;break;
    case "7": tmpnewchar="柒" + tmpnewchar ;break;
    case "8": tmpnewchar="捌" + tmpnewchar ;break;
    case "9": tmpnewchar="玖" + tmpnewchar ;break;
    }
    if(i==0)tmpnewchar =tmpnewchar + "角";
    if(i==1)tmpnewchar = tmpnewchar + "分";
    newchar = newchar + tmpnewchar;
   }
   }
   //替換所有無用漢字
   while(newchar.search("零零") != -1)
    newchar = newchar.replace("零零", "零");
   newchar = newchar.replace("零億", "億");
   newchar = newchar.replace("億萬", "億");
   newchar = newchar.replace("零萬", "萬");
   newchar = newchar.replace("零元", "元");
   newchar = newchar.replace("零角", "");
   newchar = newchar.replace("零分", "");

   if (newchar.charAt(newchar.length-1) == "元" || newchar.charAt(newchar.length-1) == "角")
    newchar = newchar+"整"
   return newchar;
  }