var imgs1 = new Array();
var lnks1 = new Array();
var alt1 = new Array();

imgs1[0] = "/rddc/img/banner01.gif";
lnks1[0] = "http://rddc.hkbrda.org/";
alt1[0]  = "Route Display Download Centre - A Service Provided by Hong Kong Bus Route Display Alliance";

imgs1[1] = "http://rgb.meric.hk/adv/public_square/public_square.png";
lnks1[1] = "http://rgb.meric.hk/forum/";
alt1[1]  = "Public Square";

imgs1[2] = "http://colocusis.meric.hk/images/05adv/05adv_2a_1st.png";
lnks1[2] = "http://rgb.meric.hk/ihs/";
alt1[2]  = "Imhosis - An Image Hosting Solution provided by Project Meric III";

imgs1[3] = "http://www.hkbf.org/adv/joinus1.gif";
lnks1[3] = "http://www.hkbf.org/viewtopic.php?f=11&t=225744";
alt1[3]  = "Hong Kong Bus Forum";

var currentAd1 = 0
var imgCt1 = imgs1.length;

function cycle1() {
  currentAd1 = Math.floor(Math.random()*imgCt1);
  var banner1 = document.getElementById('adBanner1');
  var link1 = document.getElementById('adLink1');
  banner1.src=imgs1[currentAd1]
  banner1.alt=alt1[currentAd1]
  document.getElementById('adLink1').href=lnks1[currentAd1]
}
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