像百度这样的php分页代码，跪求

类似google和baidu风格的分页php代码!
<?
$setid = 0;
$list_num=50;
$list_page_num=20;
// 计算页数
$pages = ceil($num/$list_num);
$page = ceil($pages/$list_page_num);
if ($setid > 0):
$setpage1 = ceil($setid/$list_num);
$setpage = ceil(($setpage1+1)/$list_page_num);
else:
$setpage = 1;
endif;
if ($pages > $list_page_num):
$pagenum = $list_page_num;
else:
$pagenum = $pages;
endif;
$issetid = ceil(($setid+1)/$list_num);
$issetpage = $issetid % $list_page_num;
// 第一页
if ($setpage > 1):
echo "[<a title='第一页' href='当前页.php?nj=".$nj1."&setpage=1&setid=0'><font face=Verdana color=#006699 style=\"font-size: 8pt;\">1</font></a>]...\n";
endif;
// 上一列
if ($setpage > 1):
$lastpage = $setpage-1;
$lastsetid = ($setpage-2)*$list_page_num*$list_num;
echo "[<a title='