get方式獲取頁碼，id號分頁顯示查詢結果

<?php
	require "../../class/connect.php";
	require "../../data/dbcache/class.php";
	require "../../class/db_sql.php";
	$link = db_connect();
	$empire = new mysqlquery();
	$add = $_GET;
	$tagid = $add[tagid];
	$total="select count(*) as total from {$dbtbpre}enewstagsdata where tagid=$tagid ";
    $res = mysql_query($total); 
    $num=mysql_fetch_array($res);
	$totalNumber=$num[0];	

	$orderby = $_GET["orderby"];
	$perNumber = 20;
	$page = $_GET["page"];
	$totalPage = ceil($totalNumber / $perNumber);
	if (!$page) {
		$page = 1;
	}
	$startCount = ($page - 1) * $perNumber;

    $sql="select id from {$dbtbpre}enewstagsdata where tagid=$tagid order by newstime desc limit $startCount,$perNumber";
	$rst = mysql_query($sql);
	while($str=mysql_fetch_assoc($rst)) {	
	$query = mysql_query("select title,newstime,titlepic,titleurl,smalltext,classid,onclick,befrom from {$dbtbpre}ecms_news where id=$str[id]");
	while ($row = $empire->fetch($query)) {
		$titlepic = ($row["titlepic"] ? $row["titlepic"] : $public_r[newsurl] . "e/data/images/notimg.gif");
		$csql = mysql_query("select classname from {$dbtbpre}enewsclass where classid='" . $row["classid"] . "' limit 1");
		$cr = $empire->fetch($csql);
		echo "<li class=\"item\"> <span id=\"ad_extra\" style=\"display:none;\"></span> 
           <div class=\"y-box item-inner\"> 
            <div class=\"y-left lbox\" ga_event=\"article_img_click\"> 
             <a class=\"img-wrap\" target=\"_blank\" href=\"" . $row["titleurl"] . "\"> <img alt=\"\" src=\"" . $titlepic. "\" /> </a> 
            </div> 
            <div class=\"rbox \"> 
             <div class=\"rbox-inner\"> 
              <div class=\"title-box\" ga_event=\"article_title_click\"> 
               <a class=\"link title\" target=\"_blank\" href=\"" . $row["titleurl"] . "\"> " . $row["title"] . " </a> 
              </div> 
              <div class=\"y-box footer\"> 
               <div class=\"y-left\"> 
                <div class=\"y-left\"> 
                 <a class=\"lbtn tag-hot\" ga_event=\"article_avatar_click\" href=\"/" . $class_r[$row[classid]][classpath] . "/\">" . $class_r[$row[classid]][classname] . "</a> 
                 <a class=\"lbtn source\" ga_event=\"article_name_click\">  " . $row["befrom"] . " </a> 
                </div> 
                <span class=\"lbtn\"> " . date("m-d H:i", $row["newstime"]) . "</span> 
                <span> " . $row["onclick"] . "閱讀</span> 
               </div> 
               <div class=\"y-right\"> 
               </div> 
              </div> 
             </div> 
            </div> 
           </div>";
	}
	}
	$empire = NULL;
	db_close();
?>