// set the class
function setClass(thenewclass, theitemid) {
	var object = document.getElementById(theitemid);
	object.className = thenewclass;
}
// Testimonials
var num=0;

function changeItems(item_num) {
  document.getElementById('customerfeedbackcomment').innerHTML=textItemsArray[item_num];
}

function showNextItem() {
  num++;
  num = num % textItemsArray.length;
  changeItems(num);
  setTimeout("showNextItem()",12000);  
}

function showPrevItem() {
  num--;
  if (num < 0) {num=textItemsArray.length-1;}
  num = num % textItemsArray.length;
  changeItems(num);
}