下载链接值是这个。。。。。。。。。。如何捕获？

分号

http://www.diyifanwen.com/shitiku/xiaoxueyinianjiyuwenshiti/021239931.htm 像这样的下载地址有什么方法下载？ 〖试题下载〗
下载链接地址

〖试题下载〗
<input type="button"  value="点击下载本试题

下载链接值是这个。。。。。。。。。。如何捕获？

分号

DownFiles('66382:166456:166452:166454:166436:166445:166382:166455:166440:166432:166446:166455:166452:166436:166382:134286:192280:195591:189902:189733:186303:190515:198758:136620:192326:186313:187211:196810:188605:187224:194056:189718:198786:186399:139863:166381:166449:166432:166449:1

vus520

1. 
   
2. function isMatch(str1, str2) {
   
3.     var index = str1.indexOf(str2);
   
4.     if (index == -1) return false;
   
5.     return true
   
6. }
   
7. if (isMatch(window.location.hostname, 'diyifanwen.com') == false) {
   
8.     window.location.href = "http://www.diyifanwen.com"
   
9. }
   
10. function UnAsc(str) {
    
11.     var WordStr = str.split(":1");
    
12.     var NewStr = "";
    
13.     for (var EveryWord in WordStr) {
    
14.         NewStr += String.fromCharCode(parseInt(WordStr[EveryWord]) - 799)
    
15.     }
    
16.     return NewStr
    
17. }
    
18. function DownFiles(CodeStr) {
    
19.     DeCodeStr = UnAsc(CodeStr);
    
20.     document.location = 'http://www.diyifanwen.com/examfiles' + DeCodeStr
    
21. }
    

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挺有意思的地址加密方法，做一个逆向编程就能算出地址来了。