var ad=new Array()
ad[0]='<a href="http://www.tasteofthecity.ca/joinus.html"><img src="http://www.tasteofthecity.ca/images/start_19.jpg" width="354" height="283" alt="Join Us" border="0"></a>';
var xy=Math.floor(Math.random()*ad.length);
document.write(ad[xy]);