var imgsa = new Array("Fastenal","CBC Radio","CN")
var lnksa = new Array("http://www.fastenal.com/web/Employment.ex","http://cbc.radio-canada.ca/jobs/","http://www.cn.ca/about/careers/en_index.shtml")
var alta = new Array()
var currentAda = 0
var imgCta = 3
function cyclea() {
  if (currentAda == imgCta) {
    currentAda = 0
  }
	 document.getElementById('adLinka').innerHTML = imgsa[currentAda]
  document.getElementById('adLinka').href=lnksa[currentAda]
  currentAda++
}
  window.setInterval("cyclea()",6000)