function ChangeMemberEntity(subscribe_kind_a,subscribe_present)
{
var index = 0;
var index2 = 0;
key = subscribe_kind_a.options[subscribe_kind_a.options.selectedIndex].value;
if (key =='')
{
subscribe_present.length = 1;
subscribe_present.options[index].value = ''; subscribe_present.options[index].text = '--請選擇--'; index++;
}

if (key =='小作家月刊三個月600元')
{
subscribe_present.length = 1;
subscribe_present.options[index].value = '無'; subscribe_present.options[index].text = '沒有贈品';

//document.form1.subscribe_pay.length = 4;
document.form1.subscribe_pay.length = 2;
document.form1.subscribe_pay.options[index2].value = ''; document.form1.subscribe_pay.options[index2].text = '--請選擇--'; index2++;
document.form1.subscribe_pay.options[index2].value = '信用卡傳真刷卡'; document.form1.subscribe_pay.options[index2].text = '信用卡傳真刷卡'; index2++;
//document.form1.subscribe_pay.options[index2].value = '郵政劃撥'; document.form1.subscribe_pay.options[index2].text = '郵政劃撥'; index2++;
//document.form1.subscribe_pay.options[index2].value = '送報生到府收費'; document.form1.subscribe_pay.options[index2].text = '送報生到府收費'; index2++;

document.all.ShowPresent.innerHTML = '';

}


if (key =='小作家月刊一年份2500元(含贈品處理費100元)')
{

subscribe_present.length = 21 ;
subscribe_present.options[index].value = ''; subscribe_present.options[index].text = '--請選擇--'; index++;

subscribe_present.options[index].value = '國語日報學生字典＋精華版國語日報造句辭典 *推薦好禮*'; subscribe_present.options[index].text = '國語日報學生字典＋精華版國語日報造句辭典 *推薦好禮*'; index++;

subscribe_present.options[index].value = '新編國語日報辭典  *推薦好禮*'; subscribe_present.options[index].text = '新編國語日報辭典  *推薦好禮*'; index++;

subscribe_present.options[index].value = '國語日報週刊半年26期 〈物超所值、推薦好禮〉'; subscribe_present.options[index].text = '國語日報週刊半年26期 〈物超所值、推薦好禮〉'; index++;

subscribe_present.options[index].value = '小作家月刊6期 〈物超所值、推薦好禮〉'; subscribe_present.options[index].text = '小作家月刊6期 〈物超所值、推薦好禮〉'; index++;

subscribe_present.options[index].value = '中國古典文學名著----水滸傳&西遊記'; subscribe_present.options[index].text = '中國古典文學名著----水滸傳&西遊記'; index++;

subscribe_present.options[index].value = '唐詩300首&兒童36計'; subscribe_present.options[index].text = '唐詩300首&兒童36計'; index++;

subscribe_present.options[index].value = '哈利波特兒童錶(妙麗造型)'; subscribe_present.options[index].text = '哈利波特兒童錶(妙麗造型)'; index++;

subscribe_present.options[index].value = '讀者文摘雙語選粹第二套'; subscribe_present.options[index].text = '讀者文摘雙語選粹第二套'; index++;

subscribe_present.options[index].value = '(最熱門)讀者文摘中文版一年12期〈物超所值、推薦好禮〉'; subscribe_present.options[index].text = '(最熱門)讀者文摘中文版一年12期〈物超所值、推薦好禮〉'; index++;

subscribe_present.options[index].value = '英文酷小子（多語國文化版，一年12期，每期附CD）'; subscribe_present.options[index].text = '英文酷小子（多語國文化版，一年12期，每期附CD）'; index++;

subscribe_present.options[index].value = '威酷少年美語（多語國文化版，一年12期，每期附CD）'; subscribe_present.options[index].text = '威酷少年美語（多語國文化版，一年12期，每期附CD）'; index++;

subscribe_present.options[index].value = '大驚奇發現之旅 (書型精裝VCD8片)'; subscribe_present.options[index].text = '大驚奇發現之旅 (書型精裝VCD8片)'; index++;

subscribe_present.options[index].value = '科學、保育叢書─ 帶你以新奇有趣的角度重新看科學與生命'; subscribe_present.options[index].text = '科學、保育叢書─ 帶你以新奇有趣的角度重新看科學與生命'; index++;

subscribe_present.options[index].value = '神奇樹屋─ 來一次超棒的時空探險！'; subscribe_present.options[index].text = '神奇樹屋─ 來一次超棒的時空探險！'; index++;

subscribe_present.options[index].value = '快樂學習作文─ 啟動孩子輕鬆的寫作計畫'; subscribe_present.options[index].text = '快樂學習作文─ 啟動孩子輕鬆的寫作計畫'; index++;

subscribe_present.options[index].value = '亞森˙羅蘋系列套書(共五組供選，請任選一組)'; subscribe_present.options[index].text = '亞森˙羅蘋系列套書(共五組供選，請任選一組)'; index++;

subscribe_present.options[index].value = '典藏世界文學名著(共五組供選，請任選一組)'; subscribe_present.options[index].text = '典藏世界文學名著(共五組供選，請任選一組)'; index++;

subscribe_present.options[index].value = '(最新)第七屆牧笛獎圖畫故事組'; subscribe_present.options[index].text = '(最新)第七屆牧笛獎圖畫故事組'; index++;

subscribe_present.options[index].value = '(最新)林明進作文組'; subscribe_present.options[index].text = '(最新)林明進作文組'; index++;

subscribe_present.options[index].value = '柯達個人專屬迪士尼小熊維尼桌曆'; subscribe_present.options[index].text = '柯達個人專屬迪士尼小熊維尼桌曆'; index++;

/*
document.form1.subscribe_pay.length = 4;
document.form1.subscribe_pay.options[index2].value = ''; document.form1.subscribe_pay.options[index2].text = '--請選擇--'; index2++;
document.form1.subscribe_pay.options[index2].value = '信用卡'; document.form1.subscribe_pay.options[index2].text = '信用卡'; index2++;
document.form1.subscribe_pay.options[index2].value = '郵政劃撥'; document.form1.subscribe_pay.options[index2].text = '郵政劃撥'; index2++;
document.form1.subscribe_pay.options[index2].value = '送報生到府收費'; document.form1.subscribe_pay.options[index2].text = '送報生到府收費'; index2++;
*/
document.all.ShowPresent.innerHTML = '<a href="#" class="link" OnClick="window.open(\'good_2.asp?year=1\',\'good\',\'width=500,height=300,scrollbars=yes\')">一年份贈品介紹</a>';

}
if (key =='小作家月刊二年份4900元(含贈品處理費100元)')
{

subscribe_present.length = 5 ;
subscribe_present.options[index].value = ''; subscribe_present.options[index].text = '--請選擇--'; index++;

subscribe_present.options[index].value = '小作家月刊一年份12期'; subscribe_present.options[index].text = '小作家月刊一年份12期'; index++;

subscribe_present.options[index].value = '國語日報週刊一年52期'; subscribe_present.options[index].text = '國語日報週刊一年52期'; index++;

subscribe_present.options[index].value = '一年贈品任選兩項'; subscribe_present.options[index].text = '一年贈品任選兩項'; index++;

subscribe_present.options[index].value = '一年訂戶贈品兩項(選擇本項者請電02-23514742)'; subscribe_present.options[index].text = '一年訂戶贈品兩項(選擇本項者請電02-23514742)'; index++;

/*
document.form1.subscribe_pay.length = 4;
document.form1.subscribe_pay.options[index2].value = ''; document.form1.subscribe_pay.options[index2].text = '--請選擇--'; index2++;
document.form1.subscribe_pay.options[index2].value = '信用卡'; document.form1.subscribe_pay.options[index2].text = '信用卡'; index2++;
document.form1.subscribe_pay.options[index2].value = '郵政劃撥'; document.form1.subscribe_pay.options[index2].text = '郵政劃撥'; index2++;
document.form1.subscribe_pay.options[index2].value = '送報生到府收費'; document.form1.subscribe_pay.options[index2].text = '送報生到府收費'; index2++;
*/
document.all.ShowPresent.innerHTML = '<a href="#" class="link" OnClick="window.open(\'good_2.asp?year=2\',\'good\',\'width=500,height=300,scrollbars=yes\')">二年份贈品介紹</a>';

}
if (key =='小作家月刊三年份7300元(含贈品處理費100元)')
{
subscribe_present.length = 4 ;
subscribe_present.options[index].value = ''; subscribe_present.options[index].text = '--請選擇--'; index++;


subscribe_present.options[index].value = '小作家月刊18期'; subscribe_present.options[index].text = '小作家月刊18期'; index++;

subscribe_present.options[index].value = '國語日報週刊78期'; subscribe_present.options[index].text = '國語日報週刊78期'; index++;

subscribe_present.options[index].value = '一年與二年訂戶贈品組合(選擇本項者請電02-23514742)'; subscribe_present.options[index].text = '一年與二年訂戶贈品組合(選擇本項者請電02-23514742)'; index++;

/*
document.form1.subscribe_pay.length = 4;
document.form1.subscribe_pay.options[index2].value = ''; document.form1.subscribe_pay.options[index2].text = '--請選擇--'; index2++;
document.form1.subscribe_pay.options[index2].value = '信用卡'; document.form1.subscribe_pay.options[index2].text = '信用卡'; index2++;
document.form1.subscribe_pay.options[index2].value = '郵政劃撥'; document.form1.subscribe_pay.options[index2].text = '郵政劃撥'; index2++;
document.form1.subscribe_pay.options[index2].value = '送報生到府收費'; document.form1.subscribe_pay.options[index2].text = '送報生到府收費'; index2++;
*/
document.all.ShowPresent.innerHTML = '<a href="#" class="link" OnClick="window.open(\'good_2.asp?year=3\',\'good\',\'width=500,height=300,scrollbars=yes\')">三年份贈品介紹</a>';

}
}