var img_01 = new Image();
img_01.src = "gfx/navi/layout3_01-over.jpg";
var img_02 = new Image();
img_02.src = "gfx/navi/layout3_02-over.jpg";
var img_03 = new Image();
img_03.src = "gfx/navi/layout3_03-over.jpg";
var img_04 = new Image();
img_04.src = "gfx/navi/layout3_04-over.jpg";
var img_05 = new Image();
img_05.src = "gfx/navi/layout3_05-over.jpg";
var img_06 = new Image();
img_06.src = "gfx/navi/layout3_06-over.jpg";
var img_07 = new Image();
img_07.src = "gfx/navi/layout3_07-over.jpg";