if (document.images) {

		var img1on = new Image();
		img1on.src = "http://olive.vc/images/blog-mo-top.png"; // ポイント時の画像
		var img1off = new Image();
		img1off.src = "http://olive.vc/images/blog-m-top.png"; // 通常の画像

		var img2on = new Image();
		img2on.src = "http://olive.vc/images/blog-mo-info.png";
		var img2off = new Image();
		img2off.src = "http://olive.vc/images/blog-m-info.png";

		var img3on = new Image();
		img3on.src = "http://olive.vc/images/blog-mo-item.png";
		var img3off = new Image();
		img3off.src = "http://olive.vc/images/blog-m-item.png";

		var img4on = new Image();
		img4on.src = "http://olive.vc/images/blog-mo-coupon.png";
		var img4off = new Image();
		img4off.src = "http://olive.vc/images/blog-m-coupon.png";

		var img5on = new Image();
		img5on.src = "http://olive.vc/images/blog-mo-map.png";
		var img5off = new Image();
		img5off.src = "http://olive.vc/images/blog-m-map.png";

		var img6on = new Image();
		img6on.src = "http://olive.vc/images/blog-mo-blog.png";
		var img6off = new Image();
		img6off.src = "http://olive.vc/images/blog-m-blog.png";

		var img7on = new Image();
		img7on.src = "http://olive.vc/images/blog-mo-news.png";
		var img7off = new Image();
		img7off.src = "http://olive.vc/images/blog-m-news.png";

		var img8on = new Image();
		img8on.src = "http://olive.vc/images/blog-mo-store.png";
		var img8off = new Image();
		img8off.src = "http://olive.vc/images/blog-m-store.png";

		}

		function On(name) {
	
			if (document.images) {
			document.images[name].src = eval(name + 'on.src');
			}
		
		}

		function Off(name) {
	
			if (document.images) {
			document.images[name].src = eval(name + 'off.src');
			}
	
		}