function doTestimonial(i) {
  var t = document.getElementById('testimonial');
  t.innerHTML = '<div style="float:left;">&#8220;</div>' + testimonials[i][0] + '<div style="float:right;">&#8221;</div>' + '<span>' + testimonials[i][1] + '</span>';
  i++; if(i==testimonials.length) { i=0; }
  setTimeout('doTestimonial('+i+')', 8000);
 }