I want to redirect all my traffic for a couple of hours to another site but I don't want to redirect the main SE's ie Google,Msn,Yahoo. Is there a way to do this?
Yes there is. You can filter based on IP. If you decide to do that, you might also want to block Google from caching snapshots of your pages. But before you do that... Keep in ming that you are cloaking your content. That is against Google's Webmaster Guidelines and can get you deindexed. Webmasterworld.com got dangerously close to that one.
Thanks for that great advice tschrock. From what you have written I think I will just use a large pop up instead.There's no way I want de-indexing. Thankyou MK