<table>
<tr>
<td onclick="alert('1')">1</td>
<td onclick="alert('2')">2</td>
<td onclick="alert('3')">3</td>
<td onclick="alert('4')">4</td>
<td onclick="alert('5')">5</td>
</tr>
</table>
<tr>
<td onclick="alert('1')">1</td>
<td onclick="alert('2')">2</td>
<td onclick="alert('3')">3</td>
<td onclick="alert('4')">4</td>
<td onclick="alert('5')">5</td>
</tr>
</table>
<tr><td>1</td><td>2</td><td>3</td><td>4</td><td>5</td></tr>
</table>