var ad=new Array() 
ad[0]="<a href=\"http://urlpin.com/b0eb88\"><img src=\"http://commissionxchange.directtrack.com/42/2260/95\" alt=\"Surveys\" border=\"0\"></a>";

ad[1]="<a href=\"http://urlpin.com/77e6e7\"><img src=\"http://commissionxchange.directtrack.com/42/2260/3990\" alt=\"Free Laptop\" border=\"0\"></a>";

ad[2]="<a href=\"http://urlpin.com/6c9c5b\"><img src=\"http://commissionxchange.directtrack.com/42/2260/6306\" alt=\"Free Ipod\" border=\"0\"></a>"

var Q = ad.length
var whichad=Math.round(Math.random()*(Q-1))
document.write(ad[whichad])