var myImages = new Array ("/images/nav/about_up.jpg", "/images/nav/plan_up.jpg","/images/nav/visit_up.jpg", "/images/nav/wetland_up.jpg","/images/nav/map_up.jpg", "/images/nav/gallery_up.jpg","/images/nav/kids_up.jpg", "/images/nav/social_up.jpg","/images/nav/about_down.jpg", "/images/nav/plan_down.jpg","/images/nav/visit_down.jpg", "/images/nav/wetland_down.jpg","/images/nav/map_down.jpg", "/images/nav/gallery_down.jpg","/images/nav/kids_down.jpg", "/images/nav/social_down.jpg");
 
var myPreload = new Array ();
 
for (var i = 0; i < myImages.length; i++ )
{
myPreload[ i ]= new Image();
myPreload[ i ].src = myImages[ i ];
}