function search_focus()
{
  // if the browser doesn't even support document.getElementById, give up now.
  if (!document.getElementById)
  {
    return true;
  }

  var searchbox = document.getElementById('q');
  if (searchbox.value == 'Search STTB')
    searchbox.value = '';
}

function search_blur()
{
  // if the browser doesn't even support document.getElementById, give up now.
  if (!document.getElementById)
  {
    return true;
  }

  var searchbox = document.getElementById('q');
  if (searchbox.value.length == 0)
    searchbox.value = 'Search STTB';
}

function toggle_feedback()
{
  // if the browser doesn't even support document.getElementById, give up now.
  if (!document.getElementById)
  {
    return true;
  }

  // Declare some variables.
  var img = document.getElementById('STTB_feedback_toggle_image');
  var form = document.getElementById('STTB_feedback_expanded');
  var expanded = false;

  // First determine whether or not the feedback is expanded.
  if (form.style.display == 'block')
  {
    expanded = true;
  }

  // Now toggle the elements.
  if (expanded)
  {
    img.src = '/images/expand.gif';    
    form.style.display = 'none';
  }
  else
  {
    img.src = '/images/collapse.gif';
    form.style.display = 'block';
  }
}