//specify total # of random links
var totallinks=7

var urls=new Array(totallinks)
var descriptions=new Array(totallinks)
var titles=new Array(totallinks)

descriptions[0]="<img src='http://www.duke.edu/web/centralcampus/images/rotation/image1.jpg' width='225' border='0' alt='Central Campus Planning'/>"
descriptions[1]="<img src='http://www.duke.edu/web/centralcampus/images/rotation/image2.jpg' width='225' border='0' alt='Central Campus Planning'/>"
descriptions[2]="<img src='http://www.duke.edu/web/centralcampus/images/rotation/image3.jpg' width='225' border='0' alt='Central Campus Planning'/>"
descriptions[3]="<img src='http://www.duke.edu/web/centralcampus/images/rotation/image4.jpg' width='225' border='0' alt='Central Campus Planning'/>"
descriptions[4]="<img src='http://www.duke.edu/web/centralcampus/images/rotation/image5.jpg' width='225' border='0' alt='Central Campus Planning'/>"
descriptions[5]="<img src='http://www.duke.edu/web/centralcampus/images/rotation/image6.jpg' width='225' border='0' alt='Central Campus Planning'/>"
descriptions[6]="<img src='http://www.duke.edu/web/centralcampus/images/rotation/image7.jpg' width='225' border='0' alt='Central Campus Planning'/>"

var CentralRandom=Math.floor(Math.random()*totallinks)