img1 = new Image();
	img1.src = "../images/navi_k9_over.jpg";
	img2 = new Image();
	img2.src = "../images/navi_futsal_over.jpg";
	img3 = new Image();
	img3.src = "../images/navi_activities_over.jpg";
	img4 = new Image();
	img4.src = "../images/navi_schedule_over.jpg";
	img5 = new Image();
	img5.src = "../images/navi_members_over.jpg";
	img6 = new Image();
	img6.src = "../images/navi_home_over.jpg";
	img7 = new Image();
	img7.src = "../images/fontsize_s_over.gif";
	img8 = new Image();
	img8.src = "../images/fontsize_m_over.gif";
	img9 = new Image();
	img9.src = "../images/fontsize_b_over.gif";