adrotation = new Array ("/ads/delcoursesw.gif","/ads/delvideosw.gif")

adURL = new Array ("/del/continuinged/courses.html","/insider/mynicholas/experience/delvideos")


adrotation2 = new Array ("/ads/sp09.mag1.gif", "/ads/sp09.mag2.gif")

adURL2 = new Array ("/dukenvironment/sp09/economy","/dukenvironment/sp09/raising-the-question-of-safety")


imgCt = adrotation.length

imgCt2 = adrotation2.length


function chooseAd() {
  if (document.images) {
  randomNum = Math.floor ((Math.random()* imgCt))
  document.ad.src = adrotation[randomNum]
}
}

function chooseAd2() {
  if (document.images) {
  randomNum2 = Math.floor ((Math.random()* imgCt2))
  document.ad2.src = adrotation2[randomNum2]
}
}

function newLocation() {
   document.location.href = adURL[randomNum]
}

function newLocation2() {
   document.location.href = adURL2[randomNum2]
}