// JavaScript Document
if (document.images) 
{
   img1 = new Image();
   img2 = new Image();
   img3 = new Image();
   img4 = new Image();
   img1.src = "images/home_button_over.jpg";
   img2.src = "images/aboutus_button_over.jpg";
   img3.src = "images/contactus_button_over.jpg";
   img4.src = "images/industrylinks_button_over.jpg";
}