//一番上階層相対パス・メニューボタン画像すり替え
window.onerror = null;

var ver4 = (navigator.appVersion.charAt(0) >= "4");
var NN4  = ver4 && (navigator.appName.charAt(0) == "N");
var IE4  = ver4 && (navigator.appName.charAt(0) == "M");
var NN3  = ((navigator.appVersion.charAt(0) == "3") &&
            (navigator.appName.charAt(0) == "N"));

if(NN3 || NN4 || IE4){
var img_b = new Array();
img_b[1] = new Image(); img_b[1].src = "images/menu/menu01_01.gif"
img_b[2] = new Image(); img_b[2].src = "images/menu/menu01_02.gif"
img_b[3] = new Image(); img_b[3].src = "images/menu/menu01_03.gif"
img_b[4] = new Image(); img_b[4].src = "images/menu/menu01_04.gif"
img_b[5] = new Image(); img_b[5].src = "images/menu/menu01_05.gif"
img_b[6] = new Image(); img_b[6].src = "images/menu/menu01_06.gif"
img_b[7] = new Image(); img_b[7].src = "images/menu/menu01_07.gif"
img_b[8] = new Image(); img_b[8].src = "images/menu/menu01_08.gif"
img_b[9] = new Image(); img_b[9].src = "images/top/topon_05.jpg"
img_b[10] = new Image(); img_b[10].src = "images/top/topon_06.jpg"


img_b[11] = new Image(); img_b[11].src = "images/menu/menu02_01.gif"
img_b[12] = new Image(); img_b[12].src = "images/menu/menu02_02.gif"
img_b[13] = new Image(); img_b[13].src = "images/menu/menu02_03.gif"
img_b[14] = new Image(); img_b[14].src = "images/menu/menu02_04.gif"
img_b[15] = new Image(); img_b[15].src = "images/menu/menu02_05.gif"
img_b[16] = new Image(); img_b[16].src = "images/menu/menu02_06.gif"
img_b[17] = new Image(); img_b[17].src = "images/menu/menu02_07.gif"
img_b[18] = new Image(); img_b[18].src = "images/menu/menu02_08.gif"
img_b[19] = new Image(); img_b[19].src = "images/top/topoff_05.jpg"
img_b[20] = new Image(); img_b[20].src = "images/top/topoff_06.jpg"


}

function B_in(nam,num){
if(NN3 || NN4 || IE4) document.images[nam].src = img_b[num].src;
}

function B_out(nam,num){
if(NN3 || NN4 || IE4) document.images[nam].src = img_b[num].src;
return false;
}