<script type="text/javascript" language="JavaScript">
<!--
function checkUsername(username,area) {
JsHttpRequest.query('jsloader.php?loader=verify', {action: area, value: username}, function(data,text) {
document.getElementById('checkusername').innerHTML=text;
}, false);
}

function checkPassword(password,area) {
JsHttpRequest.query('jsloader.php?loader=verify', {action: area, value: password}, function(data,text) {
document.getElementById('checkpassword').innerHTML=text;
}, false);
}

function checkMail(email,area) {
JsHttpRequest.query('jsloader.php?loader=verify', {action: area, value: email}, function(data,text) {
document.getElementById('checkmail').innerHTML=text;
}, false);
}

//-->
</script>

<td class="profilright"><input onblur="checkUsername(this.value,'username');" type="text" style="width: 200px" size="35" maxlength="20" name="inmembername">&nbsp;<span id="checkusername"></span></td>

<td class="profilright"><input onblur="checkPassword(this.value,'password');" type="text" size="20" name="password" maxlength="16">&nbsp;<span id="checkpassword"></span></td>

<td class="profilright"><input onblur="checkMail(this.value,'email');" type="text" name="emailaddress" style="width: 200px" size="20" maxlength="255"> &nbsp;<span id="checkmail"></span></td>

if ($fm->input['loader'] === 'karma'){

if ($fm->input['loader'] === 'verify'){

if ($fm->input['action'] === 'username') {

if ($fm->input['value'] == '') {
echo "<img src='./images/wrong.png' border='0'>&nbsp;<span class='warning'>".$fm->LANG['ErrUsernameEmpty']."</span>";
die();
}

$allusers = $fm->_Read('./data/users.php',FALSE);
$user_id = 0;
foreach ($allusers as $u_id=>$info) {
if ($fm->input['value'] == $info['n']) {
$user_id = $u_id;
break;
}
}
$_RESULT["error"] = 0;
if ($user_id != 0) echo "<img src='./images/wrong.png' border='0'>&nbsp;<span class='warning'>".$fm->LANG['ErrUsernameUsed']."</span>";
else echo "<img src='./images/ok.png' border='0'>&nbsp;<span class='ok'>".$fm->LANG['ErrUsernameOk']."</span>";

} elseif ($fm->input['action'] === 'email') {
if ($fm->_Chek_Mail('value') === FALSE) echo "<img src='./images/wrong.png' border='0'>&nbsp;<span class='warning'>".$fm->LANG['ErrEmailWrong']."</span>";
else echo "<img src='./images/ok.png' border='0'>&nbsp;<span class='ok'>".$fm->LANG['ErrEmailOk']."</span>";

} elseif ($fm->input['action'] === 'password') {
if (strlen($fm->input['value']) < 6 ) echo "<img src='./images/wrong.png' border='0'>&nbsp;<span class='warning'>".$fm->LANG['ErrPasswordWrong']."</span>";
else echo "<img src='./images/ok.png' border='0'>&nbsp;<span class='ok'>".$fm->LANG['ErrPasswordOk']."</span>";
}

} elseif ($fm->input['loader'] === 'karma'){

.warning {color: red;}
.ok {color: green;}

$this->LANG['ErrUsernameOk'] = 'Username available';
$this->LANG['ErrUsernameUsed'] = 'Username already used by other user';
$this->LANG['ErrUsernameEmpty'] = 'Username MUST be filled!';

$this->LANG['ErrEmailOk'] = 'E-mail OK';
$this->LANG['ErrEmailWrong'] = 'E-mail not valid !';

$this->LANG['ErrPasswordOk'] = 'valid password';
$this->LANG['ErrPasswordWrong'] = 'password not valid';

<script language="javascript">
function reloadimage() {
var currentTime = new Date()
document.getElementById('captcha').src='regimage.php?ss='+currentTime.getTime();
}
</script>

<div style="float:left;"><img id="captcha" src="regimage.php" border="0" alt="captcha"></div><div style="vertical-align:middle;" class="button"><input type="button" value="{$fm->LANG['CaptchaReload']}" onClick="reloadimage()" /></div>
<br><br><br><input type="text" name="captcha" size="13" maxlength="10">