diff --git a/TODO b/TODO
index 10f1db0..1fb4f90 100755
--- a/TODO
+++ b/TODO
@@ -3,7 +3,7 @@
 * tokens + ban system
 * remember me
 * Display names
-* htmlspecialchars
+* htmlspecialchars => on users objects
 
 install.php :
 =============
diff --git a/data/notice b/data/notice
new file mode 100755
index 0000000..e69de29
diff --git a/inc/Storage.class.php b/inc/Storage.class.php
index 1539e59..ae5e598 100644
--- a/inc/Storage.class.php
+++ b/inc/Storage.class.php
@@ -1,5 +1,5 @@
 <?php
-require_once('config.php');
+require_once('data/config.php');
 
 class Storage {
     private $connection = null;
diff --git a/inc/User.class.php b/inc/User.class.php
index 552c779..d60f578 100644
--- a/inc/User.class.php
+++ b/inc/User.class.php
@@ -1,5 +1,5 @@
 <?php
-require_once('config.php');
+require_once('data/config.php');
 require_once('Storage.class.php');
 
 class User extends Storage {
diff --git a/inc/config.php b/inc/config.php
deleted file mode 100644
index aa81090..0000000
--- a/inc/config.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-    define('VERSION_NUMBER', '2.0');
-    define('MYSQL_HOST', 'localhost');
-    define('MYSQL_LOGIN', 'root');
-    define('MYSQL_PASSWORD', 'lv:05/02/93-mariadb');
-    define('MYSQL_DB', 'Bouffe@Ulm');
-    define('MYSQL_PREFIX', 'bouffeatulm_');
-    define('INSTANCE_TITLE', 'Bouffe@Ulm');
-    define('BASE_URL', 'http://localhost/Bouffe@Ulm/');
-    define('SALT', '$2a$10$Cg7T08hTORaxZgfCua1xyQ==');
\ No newline at end of file
diff --git a/inc/functions.php b/inc/functions.php
new file mode 100644
index 0000000..f49e381
--- /dev/null
+++ b/inc/functions.php
@@ -0,0 +1,12 @@
+<?php
+    function getNotice() {
+        if(!file_exists('data/notice')) {
+            file_put_contents('data/notice');
+        }
+
+        return file_get_contents('data/notice');
+    }
+
+    function setNotice($notice) {
+        return file_put_contents('data/notice', $notice);
+    }
diff --git a/index.php b/index.php
index 4701124..06d150e 100644
--- a/index.php
+++ b/index.php
@@ -1,9 +1,10 @@
 <?php
     // Include necessary files
-    if(!file_exists('inc/config.php')) header('location: install.php');
-    require_once('inc/config.php');
+    if(!file_exists('data/config.php')) header('location: install.php');
+    require_once('data/config.php');
     require_once('inc/User.class.php');
     require_once('inc/rain.tpl.class.php');
+    require_once('inc/functions.php');
     raintpl::$tpl_dir = 'tpl/';
     raintpl::$cache_dir = 'tmp/';
 
@@ -11,8 +12,10 @@
     $tpl = new raintpl();
     $tpl->assign('instance_title', htmlspecialchars(INSTANCE_TITLE));
     $tpl->assign('connection', false);
-    $tpl->assign('notice', '');
+    $tpl->assign('notice', nl2br(getNotice()));
     $tpl->assign('error', '');
+    $tpl->assign('base_url', htmlspecialchars(BASE_URL));
+    $tpl->assign('currency', htmlspecialchars(CURRENCY));
 
     // Handle current user status
     session_start();
@@ -42,8 +45,10 @@
                 header('location: index.php');
             }
             if(!empty($_POST['login']) && !empty($_POST['password'])) {
-                if($current_user->exists($_POST['login']) && $current_user->checkPassword($_POST['password'])) {
-                    $_SESSION['current_user'] = $current_user->sessionStore();
+                $user = new User();
+                $user->setLogin($_POST['login']);
+                if($user->exists($_POST['login']) && $user->checkPassword($_POST['password'])) {
+                    $_SESSION['current_user'] = $user->sessionStore();
                     header('location: index.php');
                     exit();
                 }
@@ -109,7 +114,7 @@
                     $user->load_user(array('id'=>$user_id));
                     $tpl->assign('user_data', $user);
                 }
-                $tpl->assign('user_id', (!empty($user_id) ? $user_id : -1));
+                $tpl->assign('user_id', (!empty($user_id) ? (int) $user_id : -1));
                 $tpl->assign('view', 'edit_user');
             }
             else {
@@ -135,6 +140,62 @@
             }
             break;
 
+        case 'edit_notice':
+            if(isset($_POST['notice'])) {
+                setNotice($_POST['notice']);
+    
+                header('location: index.php');
+                exit();
+            }
+
+            $tpl->assign('notice', getNotice());
+            $tpl->assign('show_settings', false);
+            $tpl->draw('settings');
+            break;
+
+        case 'settings':
+            if(!empty($_POST['mysql_host']) && !empty($_POST['mysql_login']) && !empty($_POST['mysql_db']) && !empty($_POST['currency']) && !empty($_POST['instance_title']) && !empty($_POST['base_url'])) {
+                if(!is_writable('data/')) {
+                    $tpl>assign('error', 'The script can\'t write in data/ dir, check permissions set on this folder.');
+                }
+                $config = file('data/config.php');
+
+                foreach($config as $line_number=>$line) {
+                    if(strpos($line, "MYSQL_HOST") !== FALSE)
+                        $config[$line_number] = "\tdefine('".$_POST['mysql_host']."');\n";
+                    elseif(strpos($line, "MYSQL_LOGIN") !== FALSE)
+                        $config[$line_number] = "\tdefine('".$_POST['mysql_login']."');\n";
+                    elseif(strpos($line, "MYSQL_PASSWORD") !== FALSE && !empty($_POST['mysql_password']))
+                        $config[$line_number] = "\tdefine('".$_POST['mysql_password']."');\n";
+                    elseif(strpos($line, "MYSQL_DB") !== FALSE)
+                        $config[$line_number] = "\tdefine('".$_POST['mysql_db']."');\n";
+                    elseif(strpos($line, "MYSQL_PREFIX") !== FALSE && !empty($_POST['mysql_prefix']))
+                        $config[$line_number] = "\tdefine('".$_POST['mysql_prefix']."');\n";
+                    elseif(strpos($line, "INSTANCE_TITLE") !== FALSE)
+                        $config[$line_number] = "\tdefine('".$_POST['instance_title']."');\n";
+                    elseif(strpos($line, "BASE_URL") !== FALSE)
+                        $config[$line_number] = "\tdefine('".$_POST['base_url']."');\n";
+                    elseif(strpos($line, "CURRENCY") !== FALSE)
+                        $config[$line_number] = "\tdefine('".$_POST['currency']."');\n";
+                }
+
+                if(file_put_contents("data/config.php", $config)) {
+                    header('location: index.php');
+                    exit();
+                }
+                else {
+                    $tpl->assign('error', 'Unable to write data/config.php file.');
+                }
+            }
+
+            $tpl->assign('mysql_host', MYSQL_HOST);
+            $tpl->assign('mysql_login', MYSQL_LOGIN);
+            $tpl->assign('mysql_db', MYSQL_DB);
+            $tpl->assign('mysql_prefix', MYSQL_PREFIX);
+            $tpl->assign('show_settings', true);
+            $tpl->draw('settings');
+            break;
+
         default:
             $users_list = new User();
             $users_list = $users_list->load_users();
diff --git a/install.php b/install.php
index 0eed6fb..ce8e61a 100644
--- a/install.php
+++ b/install.php
@@ -1,17 +1,17 @@
 <?php
-    if(file_exists('inc/config.php')) exit("Your Bouffe@Ulm instance is already configured. You should either delete inc/config.php to access this page or delete the install.php for security reasons if you are ok with the configuration.");
+    if(file_exists('data/config.php')) exit("Your Bouffe@Ulm instance is already configured. You should either delete data/config.php to access this page or delete the install.php for security reasons if you are ok with the configuration.");
 
     if(!function_exists("file_get_contents") && !function_exists("file_put_contents")) {
         $error = "Functions <em>file_get_contents</em> and <em>file_put_contents</em> seems to not be available on your PHP installation. You should enable them first.";
         $block_form = true;
     }
 
-    if(!is_writable('inc/')) {
-        $error = "The script seems to be unable to write to <em>inc/</em> folder (to write the <em>inc/config.php</em> configuration file). You should give write access during install and disable them after (chmod 777 -R inc/ to install and chmod 755 -R inc/ after installation for example).";
+    if(!is_writable('data/')) {
+        $error = "The script seems to be unable to write to <em>data/</em> folder (to write the <em>data/config.php</em> configuration file). You should give write access during install and disable them after (chmod 777 -R data/ to install and chmod 755 -R data/ after installation for example).";
         $block_form = true;
     }
 
-    if(!empty($_POST['mysql_host']) && !empty($_POST['mysql_login']) && !empty($_POST['mysql_db']) && !empty($_POST['admin_login']) && !empty($_POST['admin_password']) && !empty($_POST['currency'])) {
+    if(!empty($_POST['mysql_host']) && !empty($_POST['mysql_login']) && !empty($_POST['mysql_db']) && !empty($_POST['admin_login']) && !empty($_POST['admin_password']) && !empty($_POST['currency']) && !empty($_POST['instance_title']) && !empty($_POST['base_url'])) {
         $mysql_host = $_POST['mysql_host'];
         $mysql_login = $_POST['mysql_login'];
         $mysql_db = $_POST['mysql_db'];
@@ -53,7 +53,7 @@
     define('SALT', '".$salt."');
     define('CURRENCY', '".$_POST['currency']."');";
 
-            if(file_put_contents("inc/config.php", $config)) {
+            if(file_put_contents("data/config.php", $config) && file_put_contents("data/notice", '')) {
                 try {
                     require_once('inc/User.class.php');
                     $admin = new User();
@@ -68,7 +68,7 @@
                 }
             }
             else
-                $error = 'Unable to write configuration to config file inc/config.php.';
+                $error = 'Unable to write configuration to config file data/config.php.';
         }
     }
 ?>
diff --git a/tmp/header.36ba0f7e771a8681573a91518b54b424.rtpl.php b/tmp/header.36ba0f7e771a8681573a91518b54b424.rtpl.php
index 119aa57..1f64560 100644
--- a/tmp/header.36ba0f7e771a8681573a91518b54b424.rtpl.php
+++ b/tmp/header.36ba0f7e771a8681573a91518b54b424.rtpl.php
@@ -9,13 +9,7 @@
 <body>
 <?php if( !$connection ){ ?>
 
-<h1 id="title"><?php echo $instance_title;?></h1>
-
-<?php if( $notice != '' ){ ?>
-
-    <p><?php echo $notice;?></p>
-<?php } ?>
-
+<h1 id="title"><a href="<?php echo $base_url;?>"><?php echo $instance_title;?></a></h1>
 
 <div id="menu">
     <ul>
@@ -29,7 +23,8 @@
     <ul>
         <li><a href="index.php?do=manage_paybacks">Manage paybacks</a></li>
         <li><a href="index.php?do=edit_users">Edit users</a></li>
-        <li><a href="index.php?do=edit_notics">Edit notice on homepage</a></li>
+        <li><a href="index.php?do=edit_notice">Edit notice on homepage</a></li>
+        <li><a href="index.php?do=settings">Settings</a></li>
     </ul>
     <?php } ?>
 
diff --git a/tmp/index.af3906cfde643ae7f290cfdc51cc9342.rtpl.php b/tmp/index.af3906cfde643ae7f290cfdc51cc9342.rtpl.php
index 4452ac4..2d0cb60 100644
--- a/tmp/index.af3906cfde643ae7f290cfdc51cc9342.rtpl.php
+++ b/tmp/index.af3906cfde643ae7f290cfdc51cc9342.rtpl.php
@@ -1,9 +1,15 @@
 <?php if(!class_exists('raintpl')){exit;}?><?php $tpl = new RainTPL;$tpl_dir_temp = self::$tpl_dir;$tpl->assign( $this->var );$tpl->draw( dirname("header") . ( substr("header",-1,1) != "/" ? "/" : "" ) . basename("header") );?>
 
 
+<?php if( $notice != '' ){ ?>
+
+    <div id="notice"><p><?php echo $notice;?></p></div>
+<?php } ?>
+
+
 <div id="quick_summary">
     <h2>Balance</h2>
-    <p class="center">Read <em>line</em> owes <em>case</em>€ to <em>column</em>. You can click on links to confirm the payback.
+    <p class="center">Read <em>line</em> owes <em>case</em><?php echo $currency;?> to <em>column</em>. You can click on links to confirm the payback.
     <table> 
         <tr>
             <th>Owes\To</th>
@@ -50,3 +56,6 @@
 
     </table>
 </div>
+
+<?php $tpl = new RainTPL;$tpl_dir_temp = self::$tpl_dir;$tpl->assign( $this->var );$tpl->draw( dirname("footer") . ( substr("footer",-1,1) != "/" ? "/" : "" ) . basename("footer") );?>
+
diff --git a/tpl/connexion.html b/tpl/connexion.html
index 18d1c68..884560c 100644
--- a/tpl/connexion.html
+++ b/tpl/connexion.html
@@ -7,3 +7,5 @@
     <p><label for="password" class="label-block">Password : </label><input type="password" name="password" id="password"/></p>
     <p><input type="submit" value="Connect"/></p>
 </form>
+
+{include="footer"}
diff --git a/tpl/css/style.css b/tpl/css/style.css
index bb4185c..a4c26cd 100644
--- a/tpl/css/style.css
+++ b/tpl/css/style.css
@@ -47,7 +47,7 @@ input[type=submit] {
     border-radius: 10px;
 }
 
-#title {
+#title, #title a:visited, #install h1 {
     background-color: #333;
     border-bottom: 0.3em solid green;
     color: white;
@@ -56,6 +56,10 @@ input[type=submit] {
     text-align: center;
 }
 
+#title a {
+    text-decoration: none;
+}
+
 #menu ul {
     text-align: center;
 }
@@ -66,6 +70,13 @@ input[type=submit] {
     margin-right: 1em;
 }
 
+#notice {
+    text-align: center;
+    font-size: 1.5em;
+    background-color: green;
+    padding: 0.1em;
+}
+
 #connexion_form {
     margin: auto;
     width: 67%;
@@ -81,23 +92,19 @@ input[type=submit] {
     text-align: center;
 }
 
+#textarea_notice {
+    width: 50%;
+}
+
 #install {
     margin: 0;
 }
 
-#install form {
+#install form, #settings_form {
     width: 67%;
     margin: auto;
 }
 
-#install h1 {
-    background-color: #333;
-    border-bottom: 0.3em solid green;
-    color: white;
-    padding: 0.5em;
-    margin: 0;
-}
-
 .error {
     font-size: 1.5em;
     color: red;
diff --git a/tpl/header.html b/tpl/header.html
index e49010a..6b378df 100755
--- a/tpl/header.html
+++ b/tpl/header.html
@@ -8,11 +8,7 @@
 </head>
 <body>
 {if condition="!$connection"}
-<h1 id="title">{$instance_title}</h1>
-
-{if condition="$notice != ''"}
-    <p>{$notice}</p>
-{/if}
+<h1 id="title"><a href="{$base_url}">{$instance_title}</a></h1>
 
 <div id="menu">
     <ul>
@@ -25,7 +21,8 @@
     <ul>
         <li><a href="index.php?do=manage_paybacks">Manage paybacks</a></li>
         <li><a href="index.php?do=edit_users">Edit users</a></li>
-        <li><a href="index.php?do=edit_notics">Edit notice on homepage</a></li>
+        <li><a href="index.php?do=edit_notice">Edit notice on homepage</a></li>
+        <li><a href="index.php?do=settings">Settings</a></li>
     </ul>
     {/if}
 </div>
diff --git a/tpl/index.html b/tpl/index.html
index 39ade83..16cf1df 100755
--- a/tpl/index.html
+++ b/tpl/index.html
@@ -1,8 +1,12 @@
 {include="header"}
 
+{if condition="$notice != ''"}
+    <div id="notice"><p>{$notice}</p></div>
+{/if}
+
 <div id="quick_summary">
     <h2>Balance</h2>
-    <p class="center">Read <em>line</em> owes <em>case</em>€ to <em>column</em>. You can click on links to confirm the payback.
+    <p class="center">Read <em>line</em> owes <em>case</em>{$currency} to <em>column</em>. You can click on links to confirm the payback.
     <table> 
         <tr>
             <th>Owes\To</th>
@@ -43,3 +47,5 @@
         {/loop}
     </table>
 </div>
+
+{include="footer"}
diff --git a/tpl/settings.html b/tpl/settings.html
new file mode 100644
index 0000000..67d8ff9
--- /dev/null
+++ b/tpl/settings.html
@@ -0,0 +1,50 @@
+{include="header"}
+
+{if condition="!$show_settings"}
+<h2>Edit homepage notice</h2>
+<form method="post" id="notice_form" action="index.php?do=edit_notice">
+    <p>
+        <label for="textarea_notice">Homepage notice :</label><br/>
+        <textarea name="notice" rows="15" id="textarea_notice">{$notice}</textarea>
+    </p>
+    <p><em>Note :</em> You can use HTML formatting in this form.</p>
+    <input type="submit" value="Submit"/>
+</form>
+
+{else}
+
+<h2>Change settings of your Bouffe@Ulm installation</h2>
+<form method="post" action="index.php?do=settings" id="settings_form">
+    <fieldset>
+        <legend>Database</legend>
+        <p><em>Note :</em> Use these settings carefully. Your database won't be updated by the script as it was during install and you'll have to manually update it.</p>
+        <p><label for="mysql_host">MySQL host : </label><input type="text" name="mysql_host" id="mysql_host" value="{$mysql_host}"/></p>
+
+        <p><label for="mysql_login">MySQL login : </label><input type="text" name="mysql_login" id="mysql_login" value="{$mysql_login}"/></p>
+        <p>
+            <label for="mysql_password">MySQL password : </label><input type="password" name="mysql_password" id="mysql_password"/><br/>
+            <em>Note :</em> Leave the above field blank if you don't want to change your password.
+        </p>
+        <p>
+            <label for="mysql_db">Name of the MySQL database to use : </label><input type="text" name="mysql_db" id="mysql_db" value="{$mysql_db}"/><br/>
+            <em>Note :</em> You <em>must</em> create this database first.
+        </p>
+        <p>
+            <label for="mysql_prefix">Prefix for the created tables : </label><input type="text" name="mysql_prefix" id="mysql_prefix" value="{$mysql_prefix}"/><br/>
+            <em>Note :</em> Leave the field blank to not use any.</p>
+    </fieldset>
+    <fieldset>
+        <legend>General options</legend>
+        <p><label for="instance_title">Title to display in pages : </label><input type="text" name="instance_title" id="instance_title" value="{$instance_title}"/></p>
+        <p>
+        <label for="base_url">Base URL : </label><input type="text" size="30" name="base_url" id="base_url" value="{$base_url}"/><br/>
+            <em>Note :</em> This is the base URL from which you access this page. You must keep the trailing "/" in the above address.
+        </p>
+        <p><label for="currency">Currency : </label><input type="text" name="currency" id="currency" size="3" value="{$currency}"/></p>
+    </fieldset>
+    <p class="center"><input type="submit" value="Update settings"></p>
+</form>
+
+{/if}
+
+{include="footer"}