var navImages = [
    '/img/nav_about_hi.gif',
    '/img/nav_brooklyn_hi.gif',
    '/img/nav_photo_hi.gif',
    '/img/nav_rates_hi.gif',
    '/img/nav_rooms_hi.gif'
]; 


window.addEvent('domready',function() { 
     var loadedImages = []; 
     
     new Asset.images(navImages,{ 

        onProgress: function(i) {
            loadedImages[i] = this;
        },

        onComplete : function() {  
        
        }
    });                
});