bg_pgbtn.png找不到

templatedefaultcommoncommon.css
1774 - 1778行

/* 大分页按钮 by theo */
.pgbtn { margin: 5px 0 10px; }
.pgbtn a { display: block; height: 40px; line-height: 40px; letter-spacing: 5px; text-align: center; border: 1px solid #DCDCDC; background: #F5F5F5 url({STYLEIMGDIR}/bg_pgbtn.png) repeat-x 0 0; font-size: 14px; outline: none; border-radius: 5px; box-shadow: 0 1px 0 #F5F5F5; }
.pgbtn a:hover { border-color: #BABABA; text-decoration: none; }
.pgbtn a:active { background: #EEE; border-color: #D0D0D0; box-shadow: none; }

复制代码

staticimagecommonbg_pgbtn.png
请问这个图片在哪里。

http://www.discuz.net/static/image/common/bg_pgbtn.png