var current_slide = -1;
var num_reviews = 10;

$(document).ready(function() {
  change_slide();
  var interval = window.setInterval(change_slide, 7000);
});

function change_slide() {
  if (current_slide >= 0) {
    $('#testimonial-' + current_slide).fadeOut(500);
    $('#testimonial-author-' + current_slide).fadeOut(500);
  }
  /* current_slide = Math.floor(Math.random() * num_reviews); */
  current_slide = current_slide + 1;
  if (current_slide > 9) { current_slide = 0; }
  $('#testimonial-' + current_slide).fadeIn(500);
  $('#testimonial-author-' + current_slide).fadeIn(500);
}