/* cross browser method to set opacity */
    function setOpacity(level) {
      element.style.opacity = level;
      element.style.MozOpacity = level;
      element.style.KhtmlOpacity = level;
      element.style.filter = "alpha(opacity=" + (level * 100) + ");";
    }

    /* rotate and create timers to fade the testimonial in */
    function fadeIn(){
      element.innerHTML = comments[current];
      current = (current + 1) % comments.length;
      for (i = 0; i <= 1; i = i + 0.05) {
        setTimeout("setOpacity(" + i + ")", i * 1000);
      }
      setTimeout("fadeOut()", 9000);
    }

    /* create timers to fade the testimonial away */
    function fadeOut() {
      for (i = 0; i <= 1; i = i + 0.05) {
        setTimeout("setOpacity(" + (1 - i) + ")", i * 1000);
      }
      setTimeout("fadeIn()", 1000);
    }