//80行目
$before = "<a href=\"?$urlParamThis\" onclick=\"$func_name('{$this->arrPagenavi['before']}'); return false;\"><<前へ</a> ";
↓
$before = "<li><a href=\"./list.php?$urlParamThis\" onclick=\"$func_name('{$this->arrPagenavi['before']}'); return false;\"><<前へ</a></li> ";


//89行目
$next = " <a href=\"?$urlParamThis\" onclick=\"$func_name('{$this->arrPagenavi['next']}'); return false;\">次へ>></a>";
↓
$next = " <li><a href=\"./list.php?$urlParamThis\" onclick=\"$func_name('{$this->arrPagenavi['next']}'); return false;\">次へ>></a></li>";


//138行目
if ($before && $next) {
  $this->strnavi = $before .(($display_number) ? $page_number : ' | ') .$next;
} else if ($before || $next) {
  $this->strnavi = $before .(($display_number) ? $page_number : '') .$next;
}
↓
if ($before && $next) {
  $this->strnavi = '<ul class="navi">'. $before .(($display_number) ? $page_number : ' | ') .$next . '</ul>';
} else if ($before || $next) {
  $this->strnavi = '<ul class="navi">'. $before .(($display_number) ? $page_number : '') .$next . '</ul>';
}

/*商品一覧ページ
-----------------------------------------------*/
.navi{
background: none;
border: none;
display:inline;
}

.navi li{
display:inline;
border-top: none;
}

.navi li a{
display: inline;
padding: 2px 10px 8px 10px;
margin: 0px -10px 10px -10px;
}