Well, that's easy enough. But what happens in November? Do the prices become 0, 50, 100? I think I'll wait until November to buy. <grin/>
Seriously, tell us the *algorigthm* you are using to determine the prices.
By the by: In actuality, the dropdown will *NOT* "display these prices". The user can't see the prices as those <option>s are coded. So you *could* just us
<option value="1">Product 1</option>
<option value="2">Product 2</option>
<option value="3">Product 3</option>
and then have your "backend" code (PHP? ASP? whatever) do the matchup of product id to cost.