ul {
    list-style-image: url("http://www.yatex.org/lect/css2/nin-list.png")
    }

.img:hover{
	   list-style-image: url("rakugaki1.png")
}

.img2:active{
	     list-style-image: url("chrome://global/skin/media/imagedoc-lightnoise.png")
}