var image="";
var banners=0;
var logos=new Array("nwu", "siemens", "mda", "uw", "shmc", "uop", "directv", "t-mobile", "su", "noa");
function cycle() {
  if (banners > logos.length-1) banners=0;
    loadbanners();
    document.banner1.src = image;
    banners++ 
    window.setTimeout('cycle();',3000);
  }
function loadbanners() {
    image="images/customers/" + logos[banners] + ".png";
}

function show(div){document.getElementById(div).style.display='';}
function hide(div){document.getElementById(div).style.display='none';}