#image_area div#accordion ul{
   background: black url(../images/7.jpg) no-repeat scroll right top;  
}

#image_area div#accordion ul li.one {
   background: url(../images/3.jpg) no-repeat;
}

#image_area div#accordion ul li.two {
   background: url(../images/4.jpg) no-repeat;
}

#image_area div#accordion ul li.three {
   background: url(../images/5.jpg) no-repeat;
}

#image_area div#accordion ul li.four {
   background: url(../images/6.jpg) no-repeat;
}

#image_area div#accordion ul li.five {
    border: none;
}