<!-- 
var imgs = new Array(1); 
  imgs[0] = "images/nav/home.gif"; 
  imgs[1] = "images/nav/home_m.gif"; 
  imgs[2] = "images/nav/caravans.gif"; 
  imgs[3] = "images/nav/caravans_m.gif"; 
  imgs[4] = "images/nav/accessories.gif"; 
  imgs[5] = "images/nav/accessories_m.gif"; 
  imgs[6] = "images/nav/bookings.gif"; 
  imgs[7] = "images/nav/bookings_m.gif"; 
  imgs[8] = "images/nav/contact.gif"; 
  imgs[9] = "images/nav/contact_m.gif"; 

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()); 

function imgSwap(img, swap) { 
 img.src = imgs[swap].src; 
}
//-->