function preloader() {

       people_button = new Image();
       people_button.src = "img/universal/people_on.jpg";
	   
       weddings_button = new Image(); 
       weddings_button.src = "img/universal/weddings_on.jpg";
	   
       nature_button = new Image(); 
       nature_button.src = "img/universal/nature_on.jpg";

       bands_button = new Image(); 
       bands_button.src = "img/universal/bands_on.jpg";

      }