calling jQuery from td
<p>i have created a table with a row and 4 columns.i declared attributes class,id for td element. when i click on the td i have to call the jQuery function to load pop up box. here instead load pop up i just want to display the alert box but it doesn't work. here is my code</p>

<p>jQuery</p>

<pre><code>    &lt;script type="text/javascript" src="js/jquery-1.5.2.min.js"&gt;&lt;/script&gt;
&lt;script type="text/javascript"&gt;
     $(document).ready(function(e) {
                alert("jquery");
                $('.tbox').click(function(e) {
            tb_show("ThickBox","hi.html?height=120&amp;width=400","true");  
            }
    });

&lt;/script&gt;
</code></pre>

<p>html code:</p>

<pre><code>&lt;table&gt;
&lt;tr align="center"&gt;
&lt;td class="tbox" id="tbox"&gt; &lt;?=$id?&gt; &lt;/td&gt;
&lt;td class="tbox" id="tbox"&gt;&lt;?=$zoneName?&gt;&lt;/td&gt;
&lt;/tr&gt;&lt;/table&gt;
</code></pre>

<p>how to call the jQuery?</p>
