blank_home = new Image();
blank_home.src = 'images/menu_home.jpg';
blank_profiles = new Image();
blank_profiles.src = 'images/menu_profiles.jpg';
blank_map = new Image();
blank_map.src = 'images/menu_map.jpg';
blank_events = new Image();
blank_events.src = 'images/menu_events.jpg';
blank_FAQ = new Image();
blank_FAQ.src = 'images/header_FAQ.jpg';