function rihanna_500x500(tracking_link){ 
		adFlash("http://ad.jamster.com/creatives/campaigns/0707/rihanna/rihanna_500x500.swf", "http://ad.jamster.com/creatives/campaigns/0707/rihanna/rihanna_500x500_alt.gif", "http://www.jamster.com/jcw/go/", 500, 500, "opaque", tracking_link);
}