<div style='background: #CCCCCC; width: 200px; height: 200px' onclick='var target = event.target || events.srcElement; if (event.target != this) return; this.style.backgroundColor = "red";'>
<a href='javascript://'>Click</a></div>
<table width=100% bgcolor='#ebebeb' border=1>
<tr onclick='var target = event.target || events.srcElement; if (event.target != this) return; this.style.backgroundColor = "red";'>
<td>text</td>
<td id=tt onclick="null"><a href='pict.jpg' target="_blank">pict.jpg</a></td>
</tr>
</table>