function preloadImages()
{
  for (var i = 0; i < arguments.length; i++)
  {
    preloaded[i] = document.createElement('img');
    preloaded[i].setAttribute('src',arguments[i]);
  }
}

function checkSearchQuery()
{
  var e = $('q');
  
  if (e.value == '')
  {
    alert('Please enter search terms');
    return false;
  }
  
  return true;
}

function clearSearchQuery()
{
  var e = $('q');
  e.value = '';
}