<!---非表示
//
// 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 imgB = new Array();
imgB[0] = new Image();imgB[0].src = "img/btp_off.gif";
imgB[1] = new Image();imgB[1].src = "img/btp_on.gif";
}

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

function Bout(nam,num) {
if(NN3 || NN4 || IE4) document.images[nam].src = imgB[num].src;
}
// end--->