//ウインドウ読み込み時に実行
window.onload = function() 
{
	//メニューの画像変更
	change_navi('about');
	change_navi('automobile');
	change_navi('beauty');
	change_navi('health_care');
	change_navi('link');
	change_navi('onlineshop');
	change_navi('product');
	change_navi('shop');
	change_navi('sports_gear');

	change_img('button_more');
}



function change_navi(id)
{
	var obj = document.getElementById(id);

	if(obj){

		obj.onmouseover = function() {
			obj.src = root + 'img/navi_index/' + id + '_on.jpg';
		}

		obj.onmouseout = function() {
			obj.src = root + 'img/navi_index/' + id + '.jpg';
		}
	}
}



function change_img(id)
{
	var obj = document.getElementById(id);

	if(obj){

		obj.onmouseover = function() {
			obj.src = root + 'img/' + id + '_on.jpg';
		}

		obj.onmouseout = function() {
			obj.src = root + 'img/' + id + '.jpg';
		}
	}
}