function brainist()
{
//4
var ranNum= Math.round(Math.random() * 4);
if (ranNum == 0){document.write('<a rel="nofollow" class="ad" href="http://www.lumosity.com/landing?refer=335" onClick="_gaq.push([\'_trackEvent\', \'Affiliate Link Click\', \'Lumosity\', \'335\']);"><img src="/bnr/brain_training_text.jpg" alt="Brain Training Games" width="300" height="250" border="0" /></a>'); } // PSC01
if (ranNum == 1){document.write('<a rel="nofollow" class="ad" href="http://www.lumosity.com/landing?refer=335" onClick="_gaq.push([\'_trackEvent\', \'Affiliate Link Click\', \'Lumosity\', \'335\']);"><img src="/bnr/brain_training_text.jpg" alt="Brain Training Games" width="300" height="250" border="0" /></a>'); } // PSC02
if (ranNum == 2){document.write('<a rel="nofollow" class="ad" href="http://www.lumosity.com/landing?refer=335" onClick="_gaq.push([\'_trackEvent\', \'Affiliate Link Click\', \'Lumosity\', \'335\']);"><img src="/bnr/gameIcon_300.jpg" alt="Brain Training Games" width="300" height="250" border="0" /></a>'); } // PSC03
if (ranNum == 3){document.write('<a rel="nofollow" class="ad" href="http://www.lumosity.com/landing?refer=335" onClick="_gaq.push([\'_trackEvent\', \'Affiliate Link Click\', \'Lumosity\', \'335\']);"><img src="/bnr/dualNback_300.jpg" alt="Brain Training Games" width="300" height="250" border="0" /></a>'); } // PSC04
if (ranNum == 4){document.write('<a rel="nofollow" class="ad" href="http://www.lumosity.com/landing?refer=335" onClick="_gaq.push([\'_trackEvent\', \'Affiliate Link Click\', \'Lumosity\', \'335\']);"><img src="/bnr/brainArea_300.jpg" alt="Brain Training Games" width="300" height="250" border="0" /></a>'); } // PSC05
}
