if (document.images) 
{
   img1 = new Image();
   img2 = new Image();
   img3 = new Image();
   img4 = new Image();
   img5 = new Image();
   img6 = new Image();
   img7 = new Image();
   img8 = new Image();
   img9 = new Image();
   img10 = new Image();
   img11 = new Image();
   img12 = new Image();
   img13 = new Image();
   img14 = new Image();
   img15 = new Image();
   img16 = new Image();
   
   img1.src = "../images/n-home-over.gif";   
   img2.src = "../images/n-services-over.gif";
   img3.src = "../images/n-clients-over.gif";
   img4.src = "../images/n-aboutus-over.gif";
   img5.src = "../images/n-resources-over.gif";
   img6.src = "../images/n-register-over.gif";
   img7.src = "../images/n-contact-over.gif";
   img8.src = "../images/n-workshops.gif";
   img9.src = "../images/n-testimonials.gif";
   img10.src = "../images/n-ourteam.gif";
   img11.src = "../images/n-articles.gif";
   img12.src = "../images/logo.jpg";
   img13.src = "../images/nn-2img.jpg";
   img14.src = "../images/nn-3img.jpg";
   img15.src = "../images/nn-4img.jpg";
   img16.src = "../images/nn-5img.jpg";
   
}