13. The non-transitory machine-readable medium of claim 10 , wherein the request for the first Web page is issued from an original Web page, and the machine-readable medium further comprises instructions that cause the server to: provide the original Web page to the Web browser, the original Web page containing a control feature that contains the first URL-encoded session ID, the control feature being used to issue the request for the first Web page.
13. The non-transitory machine-readable medium of claim 10 , wherein the request for the first Web page is issued from an original Web page, and the machine-readable medium further comprises instructions that cause the server to: provide the original Web page to the Web browser, the original Web page containing a control feature that contains the first URL-encoded session ID, the control feature being used to issue the request for the first Web page. 14. The non-transitory machine-readable medium of claim 13 , wherein the control feature comprises at least one of a menu item, a hyperlink, a button and an image.