www.zfire.com/Ainaphp/Tpl/Admin/Default/Config_mail.html

<form method='post'  id="form1" action="{:U('Config/dosite')}">
<table width="100%"  cellpadding=0 cellspacing=0  class="table_form">
  <tr>
    <th width="120">{:L('config_mail_md')}</th>
    <td class="y-bg">
     <input name="mail_type"   value="1" onclick="showsmtp(this)" type="radio"  <if condition="$mail_type == 1">  checked</if>> {:L('config_mail_smtp')}
	 <input name="mail_type"  value="2" onclick="showsmtp(this)" type="radio"  <if condition="$mail_type == 2">  checked</if>  <?php if(substr(strtolower(PHP_OS), 0, 3) == 'win') echo 'disabled'; ?>/> {:L('config_mail_mailfun')}
	 <input name="mail_type"   value="3" onclick="showsmtp(this)" type="radio"  <if condition="$mail_type == 3">  checked</if>> sendmail
	</td>
  </tr>
  <tbody id="smtpconfig" style="">
  <tr>
    <th>{:L('config_mail_server')}</th>
    <td class="y-bg"><input type="text" class="input-text" name="mail_server" id="mail_server" size="30" value="{$mail_server}"/></td>
  </tr>
  <tr>
    <th>{:L('config_mail_port')}</th>
    <td class="y-bg"><input type="text" class="input-text" name="mail_port" id="mail_port" size="30" value="{$mail_port}"/></td>
  </tr>
  <tr>
    <th>{:L('config_mail_from')}</th>
    <td class="y-bg"><input type="text" class="input-text" name="mail_from" id="mail_from" size="30" value="{$mail_from}"/></td>
  </tr>
  <tr>
    <th>{:L('config_mail_auth')}</th>
    <td class="y-bg">
    <input name="mail_auth" id="mail_auth" value="1" type="radio" <if condition="$mail_auth == 1">  checked</if>> {:L('open_select')}	<input name="mail_auth" id="mail_auth" value="0" type="radio" <if condition="$mail_auth == 0">  checked</if> > {:L('close_select')}</td>
  </tr>

	  <tr>
	    <th>{:L('config_mail_user')}</th>
	    <td class="y-bg"><input type="text" class="input-text" name="mail_user" id="mail_user" size="30" value="{$mail_user}"/></td>
	  </tr>
	  <tr>
	    <th>{:L('config_mail_password')}</th>
	    <td class="y-bg"><input type="password" class="input-text" name="mail_password" id="mail_password" size="30" value="{$mail_password}"/></td>
	  </tr>

 </tbody>

<tbody id="sendmailconfig" style="">
 <!-- <tr>
    <th>{:L('config_mail_sendmail')}</th>
    <td class="y-bg"><input type="text" class="input-text" name="mail_sendmail" id="mail_sendmail" size="30" value="{$mail_sendmail}"/></td>
  </tr> -->
 </tbody>

  <tr>
    <th>{:L('config_mail_test')}</th>
    <td class="y-bg"><input type="text" class="input-text" name="mail_to" id="mail_to" size="30" value=""/> <input type="button" class="button" onClick="javascript:test_mail();" value="{:L('config_mail_testsed')}"></td>
  </tr>
  </table>
<div class="btn">
<INPUT TYPE="submit"  value="{:L('save')}" class="button buttonBtn" >
<input TYPE="reset"  value="{:L('reset')}" class="button">
</div>
</form>
</div>
<script>
function showsmtp(obj){

	if(obj){
	var issmtp  = $(obj).val();
	}else{
	var issmtp = $("input[name=mail_type][checked]").val();
	}

	if(issmtp==1){
		$('#smtpconfig').show();
		$('#sendmailconfig').hide();
	}else if(issmtp==3){
		$('#smtpconfig').hide();
		$('#sendmailconfig').show();
	}else{
		$('#smtpconfig').hide();
		$('#sendmailconfig').hide();
	}
}
function test_mail(){

 	var mail_type =  $("input[name=mail_type][checked]").val();


    $.post('{:U("Config/testmail")}&mail_to='+$('#mail_to').val(),{mail_type:mail_type,mail_sendmail:$('#mail_sendmail').val(),mail_server:$('#mail_server').val(),mail_port:$('#mail_port').val(),mail_user:$('#mail_user').val(),mail_password:$('#mail_password').val(),mail_auth:$('#mail_auth').val(),mail_auth:$('#mail_auth').val(),mail_from:$('#mail_from').val()}, function(data){
	alert(data.info);
	},"json");

}
showsmtp();
</script>