function prepareSearch()
{
  if($F('q') == 'Search Tips') {
    $('q').setStyle({color: '#999'});
  } else {
    $('q').setStyle({color: '#333'});
  }
}

function performSearch() 
{
  if(validSearch()) {
    document.forms[0].submit();
  }
}

function validSearch()
{
  return ($F('q') != '' && $F('q') != 'Search Tips');
}

function focusSearch()
{
  if($F('q') == 'Search Tips') {
    $('q').value = '';
    $('q').setStyle({color: '#333'});
  }
}

function blurSearch()
{
  if($F('q') == '') {
    $('q').value = 'Search Tips';
    $('q').setStyle({color: '#999'});
  }
}