bdis_01= new Image();
bdis_01.src = "images/bdis_01.jpg";

nav_01 = new Image();
nav_01.src = "images/nav_01.jpg";

nav_02 = new Image();
nav_02.src = "images/nav_02.jpg";

nav_03 = new Image();
nav_03.src = "images/nav_03.jpg";

nav_04 = new Image();
nav_04.src = "images/nav_04.jpg";

nav_05 = new Image();
nav_05.src = "images/nav_05.jpg";

bdiscyc_01 = new Image();
bdiscyc_01.src = "images/bdiscyc_01.jpg";

bdiscyc_03 = new Image();
bdiscyc_03.src = "images/bdiscyc_03.jpg";

bdiscyc_04 = new Image();
bdiscyc_04.src = "images/bdiscyc_04.jpg";

bdis_03 = new Image();
bdis_03.src = "images/bdis_03.jpg";