用javascript怎样获取PHP超链接里的参数

while ($row = mysql_fetch_array($result)){
echo "<tr>";
echo "<td align=center>".$row['id']."</td>";
echo "<td align=center>$row[name]</td>";
echo "<td align=center>$row[usermail]</td>";
echo "<td align=center>$row[userurl]</td>";
echo "<td align=center>$row[sitename]</td>";
echo "<td align=center>$row[company]</td>";
echo "<td align=center>$row[phone]</td>";
echo "<td align=center><a href='#' onClick='getID($row[id])'>编辑</a>|
<a href='delete.php?id=$row[id]' onClick='return del()'>删除</a></td></tr>";
}

<script language="javascript">
function getID(ID){
window.location.href="update.php?id

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