function doThis() {
  if (parent.parent.location.search) {
    var sStr = parent.parent.location.search.toLowerCase().substring(1);
    if (parent.parent.frames[2].frames[1].location.href.toLowerCase().indexOf(sStr) == -1) {
      parent.parent.frames[2].frames[1].location.replace("computer/" + sStr);
    }
  }
}; // END doThis()

window.onload = doThis;