php组合highcharts和Ajax获取数据失败

<?php <br />require ('inc/config.php');<br>$page_title = '各区域住宅成交情况-feige数据中心';<br>include ('inc/header.php');<br>require (MYSQL);<br>?><br><div>
<br>	<div>各区域住宅成交情况</div>
<br>	<div>
<br>	<form>
<br>    	<div>
<br>        区域<br>			<select><br>				<?php  <br />				$q = "SELECT city_id, city_name FROM f_city ORDER BY city_id ASC";		<br>				$r = mysqli_query ($conn, $q) or trigger_error("Query: $q\n<br>MySQL Error: " . mysqli_error($conn));<br>				if (@mysqli_num_rows($r) > 0) {<br>					while ($row = mysqli_fetch_array ($r, MYSQLI_NUM)) {<br>						echo "<option>$row[1]</option>\n";<br>					}<br>					mysqli_free_result ($r);<br>				} else {<br>					echo '<option>暂无区域，请添加一个新地区</option>';<br>				}<br>				mysqli_close($conn);<br>				?><br>			</select>     <br>        自定义时间范围<br>        <input>至<input><br>        <input><br>        </div>
<br>	</form>	<br>	<br>	<br><br>	<div></div>
<br>        <table>
<br>        <thead>
<br>            <tr>
<br>                <th></th>
<br>                <th>成交面积</th>
<br>                <th>成交套数（套）</th>                <br>            </tr>
<br>         </thead>
<br>         <tbody>
<br>            <tr>
<br>                <td>2014-08-15</td>
<br>                <td>222</td>
<br>                <td>16670</td>
<br>            </tr>
<br>            <tr>
<br>                <td>2014-08-16</td>
<br>                <td>7167.07</td>
<br>                <td>621</td>               <br>            </tr>
<br>            <tr>
<br>                <td>2014-08-17</td>
<br>                <td>71660.07</td>
<br>                <td>62</td>              <br>            </tr>
<br>            <tr>
<br>                <td>2014-08-18</td>
<br>                <td>21</td>
<br>                <td>716</td>
<br>            </tr>
<br>        </tbody>
<br>        </table>   <br><br><br>        <div class="clear">
                 
              
              
        
            </div>
</div>
</div>