var httpTestimonial = null;
function loadTestimonial( testId, sid )
{
  httpTestimonial = createRequestObject();
  if ( !httpTestimonial ) return;

  httpTestimonial.open( 'GET', 'index.php?action=displayTestimonialComponent&testId=' + testId + '&sid=' + sid + randomParam() );
  httpTestimonial.onreadystatechange = function()
  {
    if ( httpTestimonial.readyState != gReadyStateFinished ) return;

    document.getElementById( "testimonial" ).innerHTML = httpTestimonial.responseText;
  }
  httpTestimonial.send( null );
}