function games_728x90(tracking_link){ 
	adFlash("http://ad.jamster.com.au/creatives/default/games/games_728x90.swf", "http://ad.jamster.com.au/creatives/default/games/games_728x90_alt.gif", "http://www.jamster.com.au/jcw/go/", 728, 90, "opaque", tracking_link);
}