//
// メインメニューボタン動作管理クラス
//
function GNavi(name) {

    var image = new Array();
    this.name = name;

    this.init = function() {

        image[name + 0] = '/image/gnavi/gnavi_top';
        image[name + 1] = '/image/gnavi/gnavi_taxi';
        image[name + 2] = '/image/gnavi/gnavi_hyer';
        image[name + 3] = '/image/gnavi/gnavi_saiyou';
        image[name + 4] = '/image/gnavi/gnavi_kaisha';
        image[name + 5] = '/image/gnavi/gnavi_torikumi';
        image[name + 6] = '/image/gnavi/gnavi_kanren';

        for (var i = 0; i <= 6; i++) {

            var navi = document.getElementById(name + i);

            if (navi == null) {
                continue;
            }

            this.setEvent(navi);
        }
    }

    this.setEvent = function(navi) {

        // マウスオーバーイベント
        navi.onmouseover = function() {

            this.src = image[navi.id] + '_on.jpg';
        }

        // マウスアウトイベント
        navi.onmouseout = function() {

            this.src = image[navi.id] + '.jpg';
        }
    }
}