function showbuttons(form) {
  var agent = navigator.userAgent;
  var Regx = "Gecko";
  if (agent.search(Regx) <1) {
    for (var i = 0; i <form.length; i++) {
      if ((form.elements[i].className == "go1")
          || (form.elements[i].className == "go")
          || (form.elements[i].className == "go2")
          || (form.elements[i].className == "goyellow")) {
        form.elements[i].style.display = "";
      }
    }
  }
  return true;
}

function hidebuttons(form) {
  var agent = navigator.userAgent;
  var Regx = "Gecko";
  if (agent.search(Regx) <1) {
    for (var i = 0; i <form.length; i++) {
      if ((form.elements[i].className == "go1")
          || (form.elements[i].className == "go")
          || (form.elements[i].className == "go2")
          || (form.elements[i].className == "goyellow")) {
        form.elements[i].style.display = "none";
      }
    }
  }
  return true;
}

function high(LinkObject) {
  LinkObject.className = "csshigh";
}

function low(LinkObject) {
  LinkObject.className = "csslow";
}

function high1(LinkObject) {
  LinkObject.className = "csshigh1";
}

function low1(LinkObject) {
  LinkObject.className = "csslow1";
}