// JavaScript Document
 <!-- 
  // array of images 
  var imgs = new Array(12); 
    imgs[0] = "images/nav/pr_aboutus.gif"; 
    imgs[1] = "images/nav/pr_aboutus_on.gif"; 
	imgs[2] = "images/nav/pr_services.gif"; 
	imgs[3] = "images/nav/pr_services_on.gif"; 
	imgs[4] = "images/nav/pr_products.gif"; 
	imgs[5] = "images/nav/pr_products_on.gif"; 
	imgs[6] = "images/nav/pr_promotions.gif"; 
	imgs[7] = "images/nav/pr_promotions_on.gif"; 
	imgs[8] = "images/nav/pr_testimonials.gif"; 		  
	imgs[9] = "images/nav/pr_testimonials_on.gif"; 
	imgs[10] = "images/nav/pr_mapanddirections.gif"
	imgs[11] = "images/nav/pr_mapanddirections_on.gif"
	imgs[12] = "images/nav/pr_contactus.gif"
	imgs[13] = "images/nav/pr_ontactus_on.gif"
  // preload the images 
  function preload() { 
   var tmp = null; 
   for (var j = 0; j < imgs.length; j++) { 
     tmp = imgs[j]; 
     imgs[j] = new Image(); 
     imgs[j].src = tmp; 
   } 
  } 
  void(preload()); 
  
  // swap images 
  function imgSwap(img, swap) { 
   img.src = imgs[swap].src; 
  } 
  //-->