var hoge = new Image();
hoge.src = '/hd_nv_home_ov.png';
hoge.src = '/hd_nv_profile_ov.png';
hoge.src = '/hd_nv_philosophy_ov.png';
hoge.src = '/hd_nv_discription_ov.png';
hoge.src = '/hd_nv_solution_ov.png';
hoge.src = '/hd_nv_access_ov.png';
hoge.src = '/hd_nv_contact_ov.png';
hoge.src = '/hd_nv_recruit_ov.png';
hoge.src = '';