function disableSubmit(form)
{
  inputs = form.getElementsByTagName('input');
  for (var i = 0; i < inputs.length; i++)
  {
    if (inputs[i].type == "submit")
    {
      inputs[i].disabled = true;
    }
  }
}

function enableSubmit(form)
{
  inputs = form.getElementsByTagName('input');
  for (var i = 0; i < inputs.length; i++)
  {
    if (inputs[i].type == "submit" && inputs[i].className != "disabled")
    {
      inputs[i].disabled = false;
    }
  }
}

window.onload = function () 
{
  if (!document.getElementById)
    alert("TrackChair is not fully compatible with your browser. Please try again using Firefox, Safari, or Internet Explorer 6.");
  else
  {
    var a = document.getElementsByClassName("fade");
    for (var i = 0; i < a.length; i++) 
    {
      new Effect.Highlight(a[i]);
    }
  }
}