//
// ブラウザ and バージョンチェック
//
var ver4 = (navigator.appVersion.charAt(0) >= "4");
var NN4  = ver4 && (navigator.appName == "Netscape");
var IE4 = ver4 && (navigator.appName.charAt(0) == "M");
var NN3 = ((navigator.appVersion.charAt(0) == "3") && (navigator.appName == "Netscape"));
if(NN3 || NN4 || IE4){
        var imgM = new Array();
        imgM[0] = new Image();  imgM[0].src = "images/menu01_on.gif";
        imgM[1] = new Image();  imgM[1].src = "images/menu01.gif";
        imgM[2] = new Image();  imgM[2].src = "images/menu02_on.gif";
        imgM[3] = new Image();  imgM[3].src = "images/menu02.gif";
        imgM[4] = new Image();  imgM[4].src = "images/menu03_on.gif";
        imgM[5] = new Image();  imgM[5].src = "images/menu03.gif";
        imgM[6] = new Image();  imgM[6].src = "images/menu04_on.gif";
        imgM[7] = new Image();  imgM[7].src = "images/menu04.gif";
        imgM[8] = new Image();  imgM[8].src = "images/menu05_on.gif";
        imgM[9] = new Image();  imgM[9].src = "images/menu05.gif";
        imgM[10] = new Image();  imgM[10].src = "images/menu06_on.gif";
        imgM[11] = new Image();  imgM[11].src = "images/menu06.gif";
        imgM[12] = new Image();  imgM[12].src = "images/menu07_on.gif";
        imgM[13] = new Image();  imgM[13].src = "images/menu07.gif";
}

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

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