s=60	The surfer has a chance of 60% to be redirected to the gallery, 40% to see a trade
c=0	sends the click always to a gallery
c=3	sends the first 3 click of the surfer to a gallery
l=toptable	set the linktag to toptable
gr=teens	load trades from the group teens
id=15	credit trade id 15 with +1 out (toplist only!)
url=http://...	sets the gallery url

Example gallery links
<a href="/cgi-bin/a2/out.cgi">next site</a>
Send the surfer to a trade in the outlist

<a href="/cgi-bin/a2/out.cgi?l=random">next site</a>
Send the surfer to a trade in the outlist, set the linktag to "random"

<a href="/cgi-bin/a2/out.cgi?s=60&l=teens">next site</a>
Send the surfer to a trade in the outlist, set the linktag to "random".
In this case a skim is set of 60%, but since no gallery url is specified, a trade is loaded

<a href="/cgi-bin/a2/out.cgi?s=60&l=teens&u=http://gallery.com">teens gallery</a>
Send 40% of the clicks to a trade, 60% to the specified gallery. the linktag is set to teens.

<a href="/cgi-bin/a2/out.cgi?s=60&&gr=mgp&l=teens&u=http://gallery.com">teens gallery</a>
Send 40% of the clicks to a trade from the group mgp, 60% to the specified gallery. the linktag is set to teens.

<a href="/cgi-bin/a2/out.cgi?id=147&l=toplist&u=http://mybesttrade.com
Send the surfer to http://mybesttrade.com and give trade 147 +1 in the stats. The linktag is set to toplist

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