how to download the embedded .swf video with below mentioned url

the url is :http://www.wingslive.com/demo/demoplayer.swf?fname=ws_wl_demo_vcs.swf hello .......hai...i tried to download the .swf video of the above mentioned url by going to media tab in the page info tool bar .and i saved tat file by giving save as......all get completed.......but if i ope the downloaded file .....it doesn"t reveal anything....tell me wat is the solution.and what is the problem in downloading that file.....