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 btimg = new Array();
// btimg[1] = new Image(); btimg[1].src = "img/menu_01.gif"
// btimg[2] = new Image(); btimg[2].src = "img/menu_01v.gif"
// btimg[3] = new Image(); btimg[3].src = "img/menu_02.gif"
// btimg[4] = new Image(); btimg[4].src = "img/menu_02v.gif"
// btimg[5] = new Image(); btimg[5].src = "img/menu_03.gif"
// btimg[6] = new Image(); btimg[6].src = "img/menu_03v.gif"
// btimg[7] = new Image(); btimg[7].src = "img/menu_04.gif"
// btimg[8] = new Image(); btimg[8].src = "img/menu_04v.gif"
// btimg[9] = new Image(); btimg[9].src = "img/menu_05.gif"
// btimg[10] = new Image(); btimg[10].src = "img/menu_05v.gif"
// btimg[11] = new Image(); btimg[11].src = "img/menu_06.gif"
// btimg[12] = new Image(); btimg[12].src = "img/menu_06v.gif"

btimg[21] = new Image(); btimg[21].src = "img/head01.gif"
btimg[22] = new Image(); btimg[22].src = "img/head01v.gif"
btimg[23] = new Image(); btimg[23].src = "img/head02.gif"
btimg[24] = new Image(); btimg[24].src = "img/head02v.gif"

btimg[31] = new Image(); btimg[31].src = "img/top_btn01.jpg"
btimg[32] = new Image(); btimg[32].src = "img/top_btn01v.jpg"
btimg[33] = new Image(); btimg[33].src = "img/top_btn02.jpg"
btimg[34] = new Image(); btimg[34].src = "img/top_btn02v.jpg"
btimg[35] = new Image(); btimg[35].src = "img/top_btn03.jpg"
btimg[36] = new Image(); btimg[36].src = "img/top_btn03v.jpg"
btimg[37] = new Image(); btimg[37].src = "img/top_btn04.jpg"
btimg[38] = new Image(); btimg[38].src = "img/top_btn04v.jpg"

}

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

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

//オープンウィンドウ
function openWindow(Url,Name,Set){
window.open(Url,Name,Set);
}

//<A HREF="#"onMouseOver="openWindow('aaa.html','win01','scrollbars=yes,width=600,height=420')">