How does one make...?

a flash/javascript homepage that you see, such as a "Click to enter" or "Click to visit" or "Click to enter" such as in the following websites: a href="http://www.hospitalityadventures.com/" rel="nofollow"http://www.hospitalityadventures.com//a or a href="http://www.manutd.com/default.sps?pagegid={78F24B85-702C-4DC8-A5D4-2F67252C28AA}&itype=12977&pagebuildpageid=2716&bg=1" rel="nofollow"http://www.manutd.com/default.sps?pagegi…/a