Html para la fila:
Código HTML:
<tr id="hiderow" style="display:none;"> <td> </td> <td><span class="style2">Email Destino </span></td> <td colspan="3"><input name="emaildest" type="text" id="emaildest" size="30"> <input name="Submit" type="submit" class="style2" value="Enviar"></td> <td><img src="../Images/spacer.gif" alt="" name="undefined_2" width="1" height="12" border="0" /></td> </tr>
Código HTML:
<button value="Button" type="button" style="cursor:hand;" onClick="document.getElementById('hiderow').style.display='block';"></button>