.sortable .head {background:#ccc url(img/sort.gif) 6px center no-repeat; cursor:pointer; padding-left:18px}
.sortable .desc {background:#ccc url(img/desc.gif) 6px center no-repeat; cursor:pointer; padding-left:18px}
.sortable .asc {background:#ccc url(img/asc.gif) 6px  center no-repeat; cursor:pointer; padding-left:18px}