Colocar uma mensagem personalizada de boas-vindas

<script>
var nnome = "Convidado" ;
if ( nnome != "Convidado"){
document.write(' <style> ');
document.write(' #loginn{display:none!important;} ');
document.write(' </style> ');
}
</script>


<!-- The CSS -->
<link rel="stylesheet" href="http://web-kreation.com/demos/login_form_mootools_1.2/fx.slide.css" type="text/css" media="screen" />
<style>
#login {
overflow: visible;
height: auto;
-webkit-transition: margin-top 0.5s ease-in-out 0s;
-moz-transition: margin-top 0.5s ease-in-out 0s;
-o-transition: margin-top 0.5s ease-in-out 0s;
transition: margin-top 0.5s ease-in-out 0s;

}

/* Login Panel I */
#topp {
height: 38px;
position: relative;
}

#topp ul.login {
display: block;
position: relative;
float: right;
clear: right;
height: 38px;
width: auto;
font-weight: bold;
line-height: 38px;
margin: 0;
right: 150px;
color: white;
font-size: 80%;
text-align: center;
padding-right: 45px;
}

#topp ul.login li.left {
height: 38px;
width: 45px;
padding: 0;
margin: 0;
display: block;
float: left;
}

#topp ul.login li {
text-align: left;
padding: 0 6px;
display: block;
float: left;
height: 38px;
}
#topp ul.login li a {color: #33CCCC;}
#topp ul.login li a:hover {color: white;}

/* Login Panel */
#topp {
background: url(http://web-kreation.com/demos/login_form_mootools_1.2/images/login_top.jpg) repeat-x 0 0;}

#topp ul.login {
background: url(https://2img.net/r/ihimizer/img18/3017/loginrw.png) no-repeat right 0;}

#topp ul.login li.left {
background: url(https://2img.net/r/ihimizer/img41/3439/loginlc.png) no-repeat left 0;}

#topp ul.login li {
background: url(http://web-kreation.com/demos/login_form_mootools_1.2/images/login_m.jpg) repeat-x 0 0;}

/*Login*/
/* toggle effect - show/hide login*/
#login {
background: #1E1E1E;}

#login .loginContent input:focus.field {
background: #545454;}

#login .loginContent input.button_login {
background: transparent url(http://web-kreation.com/demos/login_form_mootools_1.2/images/button_login.jpg) no-repeat 0 0;}

#login .loginClose a {
background: url(http://web-kreation.com/demos/login_form_mootools_1.2/images/button_close.jpg) no-repeat right 0;}

#login .loginClose a:hover {
background: url(http://web-kreation.com/demos/login_form_mootools_1.2/images/button_close.jpg) no-repeat right -20px;}
</style>

<!-- Login --><div id="loginn" style="display: block;position: absolute;left: 0px;top: 0px;width: 100%;"><div id="login" style="margin-top:-105px;"><div class="loginContent">

<form action="/login.forum" method="post" enctype="multipart/form-data" name="form_login" id="form_login2">

<label for="log"><b>Username: </b></label>
<input name="username" size="23" class="field" maxlength="25" type="text" style="clear: both;" />

<label for="pwd"><b>Password:</b></label>
<input name="password" class="field" size="23" maxlength="25" type="password" style="clear: both;" />

<input class="menuoption button_login" type="submit" name="login" value=" " />

<input type="hidden" name="redirect" value="" />

</form><div class="left">

<label for="rememberme">
<input name="autologin" id="autologin" type="checkbox" tabindex="4" checked="checked" class="radio" /> Conexão automática
</label>

</div><div class="right">Não é um membro? <a href="/profile.forum?mode=register">Registar-me</a> | <a class="gensmall" href="/profile.forum?mode=sendpassword"> Recuperar Senha</a></div>

</div><div class="loginClose"><a href="#" id="closeLogin" onclick="document.getElementById('login').style.marginTop=((document.getElementById('login').style.marginTop=='0px')? '-105px' : '0px');">Fechar Painel</a></div>

</div>


<!-- /login --><div id="container"><div id="topp">

<!-- login -->

<ul class="login">

<li class="left"> </li>

<li>Olá Visitante!</li>

<li>|</li>

<li><a id="toggleLogin" href="#" onclick="document.getElementById('login').style.marginTop=((document.getElementById('login').style.marginTop=='0px')? '-105px' : '0px');">Entrar</a></li>

</ul> <!-- / login -->

</div> <!-- / topp --><div class="clearfix"></div>
</div>



</div>

<script>
var nnome = "Convidado" ;
if ( nnome != "Convidado"){
document.write(' <style> ');
document.write(' #loginn{display:none!important;} ');
document.write(' </style> ');
}
</script>


<!-- The CSS -->
<link rel="stylesheet" href="http://web-kreation.com/demos/login_form_mootools_1.2/fx.slide.css" type="text/css" media="screen" />
<style>
#login {
overflow: visible;
height: auto;
-webkit-transition: margin-top 0.5s ease-in-out 0s;
-moz-transition: margin-top 0.5s ease-in-out 0s;
-o-transition: margin-top 0.5s ease-in-out 0s;
transition: margin-top 0.5s ease-in-out 0s;

}

/* Login Panel */
#topp {
background: url(http://web-kreation.com/demos/login_form_mootools_1.2/images/login_top.jpg) repeat-x 0 0;}

#topp ul.login {
background: url(https://2img.net/r/ihimizer/img18/3017/loginrw.png) no-repeat right 0;}

#topp ul.login li.left {
background: url(https://2img.net/r/ihimizer/img41/3439/loginlc.png) no-repeat left 0;}

#topp ul.login li {
background: url(http://web-kreation.com/demos/login_form_mootools_1.2/images/login_m.jpg) repeat-x 0 0;}

/*Login*/
/* toggle effect - show/hide login*/
#login {
background: #1E1E1E;}

#login .loginContent input:focus.field {
background: #545454;}

#login .loginContent input.button_login {
background: transparent url(http://web-kreation.com/demos/login_form_mootools_1.2/images/button_login.jpg) no-repeat 0 0;}

#login .loginClose a {
background: url(http://web-kreation.com/demos/login_form_mootools_1.2/images/button_close.jpg) no-repeat right 0;}

#login .loginClose a:hover {
background: url(http://web-kreation.com/demos/login_form_mootools_1.2/images/button_close.jpg) no-repeat right -20px;}
</style>

<!-- Login -->
<div id="loginn" style="display: block;position: absolute;left: 0px;top: 0px;width: 100%;">

<div id="login" style="margin-top:-105px;">

<div class="loginContent">

<form action="/login.forum" method="post" enctype="multipart/form-data" name="form_login" id="form_login2">

<label for="log"><b>Username: </b></label>
<input name="username" size="23" class="field" maxlength="25" type="text" style="clear: both;" />

<label for="pwd"><b>Password:</b></label>
<input name="password" class="field" size="23" maxlength="25" type="password" style="clear: both;" />

<input class="menuoption button_login" type="submit" name="login" value=" " />

<input type="hidden" name="redirect" value="" />

</form>

<div class="left">

<label for="rememberme">
<input name="autologin" id="autologin" type="checkbox" tabindex="4" checked="checked" class="radio" /> Conexão automática
</label>

</div>

<div class="right">Não é um membro? <a href="/profile.forum?mode=register">Registar-me</a> | <a class="gensmall" href="/profile.forum?mode=sendpassword"> Recuperar Senha</a></div>

</div>

<div class="loginClose"><a href="#" id="closeLogin" onclick="document.getElementById('login').style.marginTop=((document.getElementById('login').style.marginTop=='0px')? '-105px' : '0px');">Fechar Painel</a></div>

</div>


<!-- /login -->



<div id="container">

<div id="topp">

<!-- login -->

<ul class="login">

<li class="left"> </li>

<li>Olá Visitante!</li>

<li>|</li>

<li><a id="toggleLogin" href="#" onclick="document.getElementById('login').style.marginTop=((document.getElementById('login').style.marginTop=='0px')? '-105px' : '0px');">Entrar</a></li>

</ul> <!-- / login -->

</div> <!-- / topp -->



<div class="clearfix"></div>
</div>



</div>

Código:

var nnome = "kekelvinho" ;

Código:

.user_login_form {
-moz-background-clip:border;
-moz-background-inline-policy:continuous;
-moz-background-origin:padding;
background:#555555 none repeat scroll 0 0;
left:0;
opacity:0.75;
position:fixed;
top:0;
width:100%;
}

.user_login_form label {
color:#FFFFFF;
opacity:1;
}