bu01_01_on = new Image();
bu01_01_on.src = "../../image/submenu/bu01_01_on.gif";
bu01_01_off= new Image();
bu01_01_off.src= "../../image/submenu/bu01_01_off.gif";

bu01_02_on = new Image();
bu01_02_on.src = "../../image/submenu/bu01_02_on.gif";
bu01_02_off= new Image();
bu01_02_off.src= "../../image/submenu/bu01_02_off.gif";

bu01_03_on = new Image();
bu01_03_on.src = "../../image/submenu/bu01_03_on.gif";
bu01_03_off= new Image();
bu01_03_off.src= "../../image/submenu/bu01_03_off.gif";

bu01_04_on = new Image();
bu01_04_on.src = "../../image/submenu/bu01_04_on.gif";
bu01_04_off= new Image();
bu01_04_off.src= "../../image/submenu/bu01_04_off.gif";

bu01_05_on = new Image();
bu01_05_on.src = "../../image/submenu/bu01_05_on.gif";
bu01_05_off= new Image();
bu01_05_off.src= "../../image/submenu/bu01_05_off.gif";