if (document.images) 
{
   img01 = new Image();
   img02 = new Image();
   img03 = new Image();
   img04 = new Image();
   img05 = new Image();
   img06 = new Image();
   img07 = new Image();
   img08 = new Image();
   img09 = new Image();
   img10 = new Image();
   img01.src = "images/mainNav/newsletter-O.png";
   img02.src = "images/mainNav/home-O.png";
   img03.src = "images/mainNav/about-O.png";
   img04.src = "images/mainNav/menu-O.png";
   img05.src = "images/mainNav/location-O.png";
   img06.src = "images/mainNav/careers-O.png";
   img07.src = "images/mainNav/contact-O.png";
   img08.src = "images/mainNav/viewMenu-O.png";
   img09.src = "images/mainNav/giveFeedback-O.png";
   img10.src = "images/mainNav/downloadMenu-O.png";
}