var returnValue = true;
var links = ["http://www.adventisthealthclinics.com/",
			"http://www.adventisthealthnw.com/Cardiac%20Care.asp",
			/*"http://www.nyobc.com"*/];
			
var imgs = [
			"/AdPages/HomePage/rotator/EPCC-banner-clinics-2009.jpg",
			"/AdPages/HomePage/rotator/EPCC-banner-heart-2009.jpg"
			/*"/AdPages/HomePage/rotator/minkoff.jpeg"*/];
var len = (links.length + imgs.length) / 2;
if((len*2)%2 == 1){returnValue=false;}
function showAd(){
   if(returnValue==false)
         {document.write('<img src="blank.gif" alt="">');return false;}
   var rand = Math.floor(len*Math.random())
   document.write("<a href=\""+links[rand]+"\" title=\"Go to "+links[rand]+"\"><img src=\""+imgs[rand]+"\" alt=\"Go to "+links[rand]+"\"></a>");
}