DHTML menu with pop up

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Joined: Mar 2001

Hello, the menu I am emulating is http://www.simplythebest.net/info/dhtmscript51.html the problem is on my page I can get the rollover to work but I can't see the pop-up menu when I put my mouse on the up or down arrow. My page is http://www.gocog.com/portfolio.htm

thanks in advance,
bijoux