background colour not changing on mouseover
please suggest
<table align="left" class="clsborder" border="0" cellpadding="0" cellspacing="0" >
<tr class="grhd">
<th class="grhd" align="left" style="height: 17px; width:10%">STATE</th>
</tr>
<tr ondblclick="getvalues(this);" onmouseover="this.bgColor='gold';" >
<td class="clstd" style="height: 17px; width:10%">ANDHRA PRADESH</td>
</tr>
<tr ondblclick="getvalues(this);" onmouseover="this.bgColor='gold';" >
<td class="clstd" style="height: 17px; width:10%">ARUNACHAL PRADESH</td>
</tr>
<tr ondblclick="getvalues(this);" onmouseover="this.bgColor='gold';" >
<td class="clstd" style="height: 17px; width:10%">ASSAM</td>
</tr>
<tr ondblclick="getvalues(this);" onmouseover="this.bgColor='gold';" >
<td class="clstd" style="height: 17px; width:10%">BIHAR</td>
</tr>
</table>