clickimg = new Array()
clickimg[0] = new Image(); clickimg[0].src ="img/sisutemubotton02.jpg"
clickimg[1] = new Image(); clickimg[1].src ="img/sisutemubotton.jpg"

clickimg[2] = new Image(); clickimg[2].src ="img/tourokubotton02.jpg"
clickimg[3] = new Image(); clickimg[3].src ="img/tourokubotton.jpg"

clickimg[4] = new Image(); clickimg[4].src ="img/kyuujinbotton02.jpg"
clickimg[5] = new Image(); clickimg[5].src ="img/kyuujinbotton.jpg"