このページの仕組みは、URL に対して GET リクエストが発行されると、javascript スニペットが返され、js スニペットがサーバーに対して POST リクエストを実行するというものです。「ライブ HTTP ヘッダー」Firefox 拡張機能によってキャプチャされた http ヘッダーの出力を参照してください。
http://maya.tase.co.il/bursa/index.asp?view=search&group_first_level=1&company_group=3000&arg_comp=&srh_comp_lb=1349&srh_from=2013-2-2&srh_until=2013-2-12&srh_anaf=-1&srh_event=9999&is_urgent=0&srh_company_press=
GET /bursa/index.asp?view=search&group_first_level=1&company_group=3000&arg_comp=&srh_comp_lb=1349&srh_from=2013-2-2&srh_until=2013-2-12&srh_anaf=-1&srh_event=9999&is_urgent=0&srh_company_press= HTTP/1.1
Host: maya.tase.co.il
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:16.0) Gecko/20100101 Firefox/16.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: keep-alive
Cookie: LBMaya=2; TS7c8b94=21efb14c7892000e308875477ef97a44a4e4ec0c353c57aa511a0278; TSe8eecf=577463c4dff39a4cd00ac387822be6f8a4e4ec0c353c57aa511a06039dbef3f4669e6cc2; ASPSESSIONIDAQRASAAB=APJODHLAKLHBLDBFFIJFBMKD; __utma=204212108.1708073596.1360658775.1360658775.1360658775.1; __utmb=204212108; __utmc=204212108; __utmz=204212108.1360658775.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none); TSe8eecf_75=607adbfcad09964b707d73029eb6c75e:ywvw:I5Krl8W8:448224545; TSe8eecf_31=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
HTTP/1.1 200 OK
Content-Length: 4323
Pragma: no-cache
Date: Tue, 12 Feb 2013 09:02:43 GMT
Connection: keep-alive
----------------------------------------------------------
http://maya.tase.co.il/bursa/index.asp?view=search&group_first_level=1&company_group=3000&arg_comp=&srh_comp_lb=1349&srh_from=2013-2-2&srh_until=2013-2-12&srh_anaf=-1&srh_event=9999&is_urgent=0&srh_company_press=
POST /bursa/index.asp?view=search&group_first_level=1&company_group=3000&arg_comp=&srh_comp_lb=1349&srh_from=2013-2-2&srh_until=2013-2-12&srh_anaf=-1&srh_event=9999&is_urgent=0&srh_company_press= HTTP/1.1
Host: maya.tase.co.il
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:16.0) Gecko/20100101 Firefox/16.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: keep-alive
Referer: http://maya.tase.co.il/bursa/index.asp?view=search&group_first_level=1&company_group=3000&arg_comp=&srh_comp_lb=1349&srh_from=2013-2-2&srh_until=2013-2-12&srh_anaf=-1&srh_event=9999&is_urgent=0&srh_company_press=
Cookie: LBMaya=2; TS7c8b94=21efb14c7892000e308875477ef97a44a4e4ec0c353c57aa511a0278; TSe8eecf=577463c4dff39a4cd00ac387822be6f8a4e4ec0c353c57aa511a06039dbef3f4669e6cc2; ASPSESSIONIDAQRASAAB=APJODHLAKLHBLDBFFIJFBMKD; __utma=204212108.1708073596.1360658775.1360658775.1360658775.1; __utmb=204212108; __utmc=204212108; __utmz=204212108.1360658775.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none); TSe8eecf_75=b1977e80a3c5a7cb63469954c8ac6e05:lmnj:yjv3396F:69895458; TSe8eecf_31=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
Content-Type: application/x-www-form-urlencoded
Content-Length: 69
TSe8eecf_id=1&TSe8eecf_md=1&TSe8eecf_rf=0&TSe8eecf_ct=0&TSe8eecf_pd=0
HTTP/1.1 200 OK
Content-Type: text/html
X-Maya: 2
Vary: Accept-Encoding
X-Powered-By: ASP.NET
Content-Encoding: gzip
Date: Tue, 12 Feb 2013 09:02:45 GMT
Content-Length: 10652
Connection: keep-alive