麻烦大家帮小弟我检查一上，小弟我的搜索分页哪儿出了有关问题

麻烦大家帮我检查一下，我的搜索分页哪儿出了问题？
// 提交过来，获取到的条数和页数是正确的，按下一页的时候，变成了数据库全部信息分页了，帮我改改,谢谢

  
  $city=$_GET[city];
  $quxian= $_GET[quxian];
  $lx= $_GET[lx];
  $gongqiu= $_GET[gongqiu];
  $spmj= $_GET[spmj];
  $cont= $_GET[cont];
 
$sql = 'select * from new '; 

 if ( $spmj != '商铺面积' ){
$sql .= "where mj $spmj" ; 
  }
if ( $city != '' ){
 $sql .= ( preg_match('/where/' , $sql ) ? ' and ': ' where ' ) . ' city like "%'.$city.'%" ';
}
if ( $quxian != '' ){
 $sql .= ( preg_match('/where/' , $sql ) ? ' and ': ' where ' ) . ' quxian like "%'.$quxian.'%" ';
}
if ( $lx != '商铺类型' ){
 $sql .= ( preg_match('/where/' , $sql ) ? ' and ': ' where ' ) . ' lx like "%'.$lx.'%" ';
}

if ( $gongqiu!= '供求方式' ){
 $sql .= ( preg_match('/where/' , $sql ) ? ' and ': ' where ' ) . ' gongqiu like "%'.$gongqiu.'%" ';
}

if ( $cont!= '' ){
 $sql .= ( preg_match('/where/' , $sql ) ? ' and ': ' where ' ) . ' cont like "%'.$cont.'%" ';
}

 $result = mysql_query($sql);
echo $count = mysql_num_rows($result);
 $Page_size=3;
 $page_count = ceil($count/$Page_size);
if(empty($_GET['page'])||$_GET['page']  $page=1;
 }else {
 $page=$_GET['page'];
}

 $page_len= 3;
 $max_p=$page_count;
 $pages=$page_count;

//判断当前页码
 $offset=$Page_size*($page-1);
  echo $result =$sql."limit $offset,$Page_size ";
 $result=mysql_query($result);
 while ($row=mysql_fetch_array($result)) {
 if($result){
 echo "

";
// echo "

";
 //echo "";
 //echo "

";
 echo "

";
 echo "";
 echo $row[title]."";
 echo '    '."".$row[ns]."
";
 echo substr($row[cont],0,200)."
"."".$row[quxian]."".$row[lx].'    '.$row[time];
 echo "

";
 echo "

";
 echo "

".$row[q].$row[dw]."

";
 echo "

".$row[mj].┫."

";
 echo "

"."