var ad=new Array()
ad[0]='<a href="#"><img src="http://www.winecop.com/images/homeBaldEagle.jpg" width="288" height="369" alt="Bald Eagle" border="0"></a>';
ad[1]='<a href="#"><img src="http://www.winecop.com/images/homeWinerywineglass.jpg" width="216" height="323" alt="Winery in a Wineglass" border="0"></a>';
ad[2]='<a href="#"><img src="http://www.winecop.com/images/homelighthouse.jpg" width="216" height="324" alt="Lighthouse" border="0"></a>';
ad[3]='<a href="#"><img src="http://www.winecop.com/images/homeBermuda.jpg" width="216" height="324" alt="Bermuda" border="0"></a>';
var xy=Math.floor(Math.random()*ad.length);
document.write(ad[xy]);