// JavaScript Document
// menu01
function closeChildWindow() {
    var board = document.getElementById('globalmn04');
    board.style.visibility = 'hidden';
}

function openChildWindow(e) {
    var board = document.getElementById('globalmn04');
    board.style.visibility = 'visible';
}


// イベントリスナーをセットする
function setListeners(e) {
		var menu03 = document.getElementById('menu4');
    addListener(menu03, 'mouseover', openChildWindow, false);
    var menu031 = document.getElementById('menu04_01');
    addListener(menu031, 'mouseover', openChildWindow, false);
		var menu032 = document.getElementById('menu04_02');
    addListener(menu032, 'mouseover', openChildWindow, false);
    var close = document.getElementById('globalmn04');
    addListener(close, 'mouseout', closeChildWindow, false);
}
/*
function setListeners(e) {
    var menu03 = document.getElementById('menu03');
    addListener(menu03, 'mouseover', openChildWindow, false);
    var menu031 = document.getElementById('menu031');
    addListener(menu031, 'mouseover', openChildWindow, false);
    var menu032 = document.getElementById('menu032');
    addListener(menu032, 'mouseover', openChildWindow, false);
    var close = document.getElementById('globalmn03');
    addListener(close, 'mouseout', closeChildWindow, false);
}*/

function addListener(elem, eventType, func, cap) {
    if(elem.addEventListener) {
        elem.addEventListener(eventType, func, cap);
    } else if(elem.attachEvent) {
        elem.attachEvent('on' + eventType, func);
    } else {
        alert('ご利用のブラウザーはサポートされていません。');
        return false;
    }
}

// HTMLがロードされた際に、setListeners()関数を実行させる
addListener(window, 'load', setListeners, false);