// created by Rustam Babadjanov aka DeV (theplacefordev@gmail.com)
var arrImageNames =["changer_1.jpg","changer_10.jpg","changer_11.jpg","changer_7.jpg","changer_8.jpg","changer_9.jpg"],        
strImagesPath = "http://siteresources.worldbank.org/INTUZBEKISTAN/Images/294086-1138179881586/",        
elChImg;        
function initImageRotator() {        
 elImg = document.getElementById("target_img");
 if (elImg) {         
  window.setInterval(changeImage, 3500);      
 }      
}            
function changeImage () {      
 var iIdx = Math.floor(Math.random() * arrImageNames.length);      
 elImg.src = strImagesPath + arrImageNames[iIdx];    
}    


initImageRotator();