a.navimain_link_1 {
                                   background: url(images/navi/img0.png) no-repeat;

                                }
                        a.navimain_link_2 {
                                   background: url(images/navi/img1.png) no-repeat;

                                }
                                a.navimain_link_2:hover {
                                   background: url(images/navi/img2.png) no-repeat;

                                }
                        a.navimain_link_6 {
                                   background: url(images/navi/img3.png) no-repeat;

                                }
                                a.navimain_link_6:hover {
                                   background: url(images/navi/img4.png) no-repeat;

                                }
                        a.navimain_link_3 {
                                   background: url(images/navi/img5.png) no-repeat;

                                }
                                a.navimain_link_3:hover {
                                   background: url(images/navi/img6.png) no-repeat;

                                }
                        a.navimain_link_4 {
                                   background: url(images/navi/img7.png) no-repeat;

                                }
                                a.navimain_link_4:hover {
                                   background: url(images/navi/img8.png) no-repeat;

                                }
                        a.navimain_link_5 {
                                   background: url(images/navi/img9.png) no-repeat;

                                }
                                a.navimain_link_5:hover {
                                   background: url(images/navi/img10.png) no-repeat;

                                }