if (document.images) {
menu01a = new Image(199,50);menu01a .src = 'img/btn_01.jpg';
menu01b = new Image(199,50);menu01b .src = 'img/btn_01_ov.jpg';
menu02a = new Image(199,50);menu02a .src = 'img/btn_02.jpg';
menu02b = new Image(199,50);menu02b .src = 'img/btn_02_ov.jpg';
menu03a = new Image(199,50);menu03a .src = 'img/btn_03.jpg';
menu03b = new Image(199,50);menu03b .src = 'img/btn_03_ov.jpg';
menu04a = new Image(200,50);menu04a .src = 'img/btn_04.jpg';
menu04b = new Image(200,50);menu04b .src = 'img/btn_04_ov.jpg';

menus00a = new Image(159,50);menus00a .src = '../img/btn_s00.jpg';
menus00b = new Image(159,50);menus00b .src = '../img/btn_s00_ov.jpg';
menus01a = new Image(159,50);menus01a .src = '../img/btn_s01.jpg';
menus01b = new Image(159,50);menus01b .src = '../img/btn_s01_ov.jpg';
menus02a = new Image(159,50);menus02a .src = '../img/btn_s02.jpg';
menus02b = new Image(159,50);menus02b .src = '../img/btn_s02_ov.jpg';
menus03a = new Image(159,50);menus03a .src = '../img/btn_s03.jpg';
menus03b = new Image(159,50);menus03b .src = '../img/btn_s03_ov.jpg';
menus04a = new Image(160,50);menus04a .src = '../img/btn_s04.jpg';
menus04b = new Image(160,50);menus04b .src = '../img/btn_s04_ov.jpg';

mail_a = new Image(250,60);mail_a.src = 'img/title_mail.gif';
mail_b = new Image(250,60);mail_b.src = 'img/title_mail_ov.gif';
}
function di(id,name){
  if (document.images) {document.images[id].src=eval(name+".src"); }
}