我这代码错了??怎么改?
<%if flag="xs" then %>
<tr>
<td colspan="2"> </td>
<td> </td>
<td> </td>
</tr>
<%elseif flag="审核" then %>
<tr>
<td colspan="2"> </td>
<td><input type="submit" name="Submit" value="审核" onClick="return check1();">
<input type="hidden" name="shenhe_time" value="<%=now()%>">
<input type="hidden" name="no" value="shenhe">
</td>
<td> </td>
</tr>
<%elseif flag="批准" then %>
<tr>
<td colspan="2"> </td>
<td><input type="submit" name="Submit" value="批准" onClick="return check2();">
<input type="hidden" name="pizhun_time" value="<%=now()%>">
<input type="hidden" name="no" value="pizhun">
</td>
<td> </td>
</tr>
<%elseif flag="xm" then %>
<tr>
<td colspan="2"> </td>
<td> </td>
<td> </td>
</tr>
<%end if%>