jqury on table div : I have table as follows:

    <table class="mytable">
    <div>
    <tr>
      <th>h1</th>
      <th>h1-1</th>
      <th>h1-2</th>
    </tr>
    <tr>
      <th>h2</th>
      <th>h2-2</th>
      <th>h2-3</th>
    </tr>
    </div>
    <div>
     <tr>
      <td>1</td>
      <td>1</td>
      <td>1</td>
     </tr>
     <tr>
      <td>2</td>
      <td>2</td>
      <td>2</td>
     </tr>
    </div>
    </table>

Now i want two jquery as follows:

1) jquery to get all div present in table.

2) jquery to get first tr's td data in every div. it may be in loop.

Please help me any body i am new to jquery.