function initMaps() {

  var parent = document.getElementById('network-carriers');
  var maps = new Array();
  
  if(!parent) return;
  
  var anchors = parent.getElementsByTagName('A');
  
  for(var i=0; i < anchors.length; i++) {
    anchors[i].onclick = changeMap;

    var img = anchors[i].firstChild;
    findex = img.src.lastIndexOf('/') + 1;
    lindex = img.src.lastIndexOf('-');
    maps[i] = new Image();
    maps[i].src = 'images/carriers/' + img.src.substring(findex, lindex) + '-map.jpg';
  }
}

function changeMap() {
  var image = document.getElementById('network-map');

  var img = this.firstChild;
  
  findex = img.src.lastIndexOf('/') + 1;
  lindex = img.src.lastIndexOf('-');
  
  image.src = 'images/carriers/' + img.src.substring(findex, lindex) + '-map.jpg';
  
  return false;
}

function bookmarkSite() {
  var title = 'ATCI Hosting';
  var url = 'http://www.atcihosting.com/';
  if (document.all)
    window.external.AddFavorite(url, title);
  else if (window.sidebar)
    window.sidebar.addPanel(title, url, "");
}

window.onload = initMaps;