//MENU画像変換
function chanNaviMenu(ImgName,Switch,NowSrc){
    //alert(ImgName);
    //alert(Switch);
    if (Switch == "on") {
        ImgSrc = "images/" + ImgName + "_on.gif";
    } else {
        compareName = ImgName + "_on";
        //alert(compareName);
        //alert(NowSrc);
        if (compareName != NowSrc) {
            ImgSrc = "images/" + ImgName + ".gif";
        } else {
            ImgSrc = "images/" + NowSrc + ".gif";
        }
    }
    document.images[ImgName].src = ImgSrc;

    var ImgName_Ary = new Array('top','institution','policy','fee','contact')
    //alert(ImgSrc);
    for (i=0; i<ImgName_Ary.length; i++) {
        if (ImgName != ImgName_Ary[i]) {
            offImgName = ImgName_Ary[i];
            offImgSrc = "images/" + offImgName + ".gif";
            if (document.images[offImgName] != undefined) {
                //document.images[offImgName].src = offImgSrc;
            }
        }
    }
}
//SIDEMENU画像変換
function chanSideMenu(ImgName,Switch,pagename){
    //alert(ImgName);
    //alert(Switch);
    if (Switch == "on") {
        ImgSrc = "images/" + ImgName + "_on.gif";
    } else {
        ImgSrc = "images/" + ImgName + ".gif";
    }
    document.images[ImgName].src = ImgSrc;

    if (pagename == "guidance") {
        var ImgName_Ary = new Array('oneday','shortstay','request');
    } else if (pagename == "oneday") {
        var ImgName_Ary = new Array('guidance','shortstay','request');
    } else if (pagename == "shortstay") {
        var ImgName_Ary = new Array('guidance','oneday','request');
    } else if (pagename == "request") {
        var ImgName_Ary = new Array('guidance','oneday','shortstay');
    } else {
        var ImgName_Ary = new Array('guidance','oneday','shortstay','request');
    }
    //alert(ImgSrc);
    for (i=0; i<ImgName_Ary.length; i++) {
        if (ImgName != ImgName_Ary[i]) {
            offImgName = ImgName_Ary[i];
            offImgSrc = "images/" + offImgName + ".gif";
            document.images[offImgName].src = offImgSrc;
        }
    }
}
//SUBMENU画像変換
function chanFlMenu(ImgName,Switch,fl){
    //alert(ImgName);
    //alert(Switch);
    if (Switch == "on") {
        ImgSrc = "images/" + ImgName + "_on.gif";
    } else {
        ImgSrc = "images/" + ImgName + ".gif";
    }
    document.images[ImgName].src = ImgSrc;
    if (fl == 1) {
        var ImgName_Ary = new Array('link2fl','link3fl');
    } else if (fl == 2) {
        var ImgName_Ary = new Array('link1fl','link3fl');
    } else if (fl == 3) {
        var ImgName_Ary = new Array('link1fl','link2fl');
    }
    //alert(ImgSrc);
    for (i=0; i<ImgName_Ary.length; i++) {
        if (ImgName != ImgName_Ary[i]) {
            offImgName = ImgName_Ary[i];
            offImgSrc = "images/" + offImgName + ".gif";
            if (document.images[offImgName] != undefined) {
                document.images[offImgName].src = offImgSrc;
            }
        }
    }
}