var imgs1 = new Array("images/client1.jpg","images/client2.jpg","images/client3.jpg","images/client4.jpg","images/client5.jpg","images/client6.jpg");
var lnks1 = new Array("http://www.chevron.com/","http://www.shell.com.org/","http://www.ng.total.com/","http://www.afren.com/","http://www.slb.com/","http://www.exxonmobil.com/");
var alt1 = new Array("Chevron","Shell","Total","Afren","Schlumberger","ExxonMobil");
var currentAd1 = 0;
var imgCt1 = 6;
function cycle1() {
  if (currentAd1 == imgCt1) {
    currentAd1 = 0;
  }
var banner1 = document.getElementById('adBanner1');
var link1 = document.getElementById('adLink1');
  banner1.src='http://gilautomation.com/wp-content/themes/gtm-theme/'+imgs1[currentAd1]
  banner1.title=alt1[currentAd1]
  document.getElementById('adLink1').href=lnks1[currentAd1]
  currentAd1++;
}
  window.setInterval("cycle1()",3000);
 
function randomImg() { 
var img_name = new Array("images/rt-image1.jpg", "images/rt-image2.jpg", "images/rt-image3.jpg", "images/rt-image4.jpg", "images/rt-image5.jpg");

var l = img_name.length;

var rnd_no = Math.floor(l*Math.random());

document.r_img.src = 'http://gilautomation.com/wp-content/themes/gtm-theme/'+img_name[rnd_no];
}