function maisEmail() {
	var el = '<tr>' +
				'<td height="20" align="left">E-mail:</td>' +
				'<td height="20" colspan="3" align="left">' +
					'<input name="email[]" type="text" class="form" size="62" />' +
				'</td>'+
			'</tr>';
	         
	jQuery(el).insertBefore('#mais-email');
}