diff --git a/README.md b/README.md
index 3ea431d65a7f3263b01dc4acca1722c9ed3eda60..ca4e1538c202cd764b5d3f5eaee52f1badc2ae5f 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,10 @@
-Projet web: Création d'un forum d'achats et ventes entre les IIEns.
+Projet web
+==
+Création d'un forum d'achats et ventes entre les IIEns.
+-
 
 Membres du groupe :
+==
 Nassim YAICI
 Yixuan ZHANG
 Yao SHEN
diff --git a/addComment.php b/addComment.php
index 7a94945ad989d754903d07fef7b3f82e1b75cb35..fb0f5eb5c9df9a9b23c72e2e096ab3eb79576641 100644
--- a/addComment.php
+++ b/addComment.php
@@ -1,141 +1,16 @@
 <?php
 session_start();
-require_once"fonction.php";
-require_once"./class/addComment.class.php";
-$bdd=bdd();
+require_once("./fonction.php");
+$bdd = bdd();
 
+$toppic=$_POST['id'];
+$toppicN=$_POST['name'];
 if (isset($_POST['content'])) {
-  $content=$_POST['content'];
-    $comment = new addComment($content, $_POST['namet']);
-    $verif = $comment->verify();
+  $content = $_POST['content'];
+  $userid= $_SESSION['id'];
+  $date= date("Y-m-d");
 
-    if ($verif =="ok") {
-      $add = $comment->insert($content, $comment->sujet);
-      header("Location: topiclist.php");
-      
-    }
-    else
-    {
-      $erreur = $verif;
-    } 
-  
+  $requete=pg_query("INSERT INTO comments(content, date, users_id, toppics_id) values('$content', '$date', $userid, $toppic) ");
 }
-
-?>
-
-<!DOCTYPE html>
-<html lang="en">
-<head>
-  <title>Com-Ensiie</title>
-  <meta charset="utf-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1">
-  <link rel="stylesheet" href="./bootstrap/css/bootstrap.css">
-  <link rel="stylesheet" href="./bootstrap/css/mystyle.css">
-  <script type="text/javascript" src="./script.js"></script>
-</head>
-<body>
-  <div class="container-fluid">
-  <div class="jumbotron">
-      <h1><span style="color: white">Com-Ensiie</span></h1>
-<?php
-if(isset($_SESSION['pseudo'])){
-  $pseudo=$_SESSION['pseudo'];
-?>
-       </div>
-       <button type="button" class="btn btn-success btn-right" onclick="location.href='./deconnexion.php'" >Deconnexion</button>
-       <button type="button" class="btn btn-success btn-right" onclick="location.href='./edit.php'" >Edit</button>
-       <button type="button" class="btn btn-success btn-right" onclick="location.href='./newtopics.php'" >Nouveau sujet</button>
-       <label for="hello"><?php echo "Vous êtes connectés entant que : $pseudo";?></label>
-       </div>
-<?php
-}
-else
-{
-?>
-  </div>
-    <button type="button" class="btn btn-success btn-right" onclick="location.href='./login.php'" >Log In</button>
-    <button type="button" class="btn btn-success btn-right" onclick="location.href='./register.php'">Register</button>
-  </div>
-<?php
-}
-?>
-  <nav class="navbar navbar-inverse">
-    <div class="navbar-header">
-      <a class="navbar-brand" href="./accueil.php">Com-Ensiie</a>
-    </div>
-    <?php
-		$dn2 = pg_query("SELECT * FROM keys ORDER BY name asc");
-		while($reponse=pg_fetch_assoc($dn2))
-        {
-    ?>
-    <div class="navbar-header">
-    	<ul class="nav navbar-nav">
-    	<li class="dropdown active"><a href="./topiclist.php?category=<?php echo $reponse['name']; ?>"><?php echo $reponse['name']; ?></a></li>
-    	</ul>
-    </div>            
-    <?php
-    	}
-      ?>
-  </nav>
-</div>
-
-<div class="container-fluid text-center">    
-  <div class="row content">
-    <div class="col-sm-2 sidenav">
-      <?php
-      if(isset($_SESSION['su'])){
-      if ($_SESSION['su']=='t') {
-      ?>
-       <div>
-      <button type="button" class="btn btn-info btn-right" onclick="location.href='./adminEdit.php'" >Edit users</button><br><br>
-      </div>
-      <div>
-      <button type="button" class="btn btn-info btn-right" onclick="location.href='./adminEditTopics.php'" >Edit toppics</button>
-    </div>
-      <?php
-    }
-    }
-      ?>
-    </div>
-    <div class="col-lg-8 text-left"> 
-    	<br>
-        <form class="form-horizontal" role="form" method="post" action="./addComment.php">
-          <?php
-          if (isset($_GET['toppic'])) {
-            $top = htmlspecialchars($_GET['toppic']);
-            $requete=pg_fetch_array(pg_query("SELECT namet FROM toppics WHERE id=$top"));
-          ?>
-            <div class="row comment-create">
-                <label class="col-sm-2 text-right ">Topic </label> 
-                <label class="col-sm-6 text-right"><?php echo $requete['namet'];?></label>
-          </div>
-          <?php
-
-          }
-          ?>
-
-          <div class="row comment-create">
-                <label class="col-sm-2 text-right ">Commentaire</label>
-              <div class="col-sm-10">
-                  <textarea name="content" class="form-control" rows="10" placeholder="Votre commentaire..."required
-                  aria-required="true" spellcheck="false"></textarea>
-              </div>
-          </div>
-          <br>
-          <input type="hidden" name="namet" value="<?php echo $requete['namet'];?>">
-            <button id="submit" class="btn btn-primary topic-create center-block">Ajouter</button>
-            <?php
-            if (isset($erreur)) {
-              echo $erreur;
-            }
-            ?>
-        </form>
-    </div>
-  
-    
-  </div>
-</div>
-    <div class="footer"></div>
-</div>
-</body>
-</html>
\ No newline at end of file
+  header("Location: affichetoppic.php?toppic=$toppicN");
+?>
\ No newline at end of file
diff --git a/adminEdit.php b/adminEdit.php
index fd2ee88f3e71d15c5c3ac1adbb6cbd945c0a7d54..72948d77e63ba177e79b77904aed7648af655630 100644
--- a/adminEdit.php
+++ b/adminEdit.php
@@ -80,8 +80,7 @@ else
       ?>
     </div>
     <div class="col-lg-8 text-left"> 
-      <h1>Modify users</h1>
-        <div class="col-lg-8 lg-8 text-left"> 
+        <div class="col-lg-15 lg-8 text-left"> 
             <table class="table">
               <col width="20%">
               <col width="60%">
diff --git a/adminEditTopics.php b/adminEditTopics.php
index 8aa19efc3bc006ad16e2eddda3aaf1bcbd925f5b..d8822a1d9f6bd33dcb00c9c95bc9185d156ab55b 100644
--- a/adminEditTopics.php
+++ b/adminEditTopics.php
@@ -81,9 +81,9 @@ else
     </div>
     <div class="col-lg-8 text-left"> 
           <?php
-          $sql=pg_query("SELECT * FROM toppics NATURAL JOIN keys ORDER BY (date, name)"); 
+          $sql=pg_query("SELECT * FROM toppics JOIN keys ON(id_key = keys.id) ORDER BY (date, name)"); 
           ?>
-          <div class="col-lg-8 lg-8 text-left"> 
+          <div class="col-lg-15 lg-10 text-left"> 
                 <table class="table">
                   <col width="20%">
                   <col width="60%">
diff --git a/affichetoppic.php b/affichetoppic.php
index fb72ff259b56667a56cf7dd1d254ce66d60c7747..0d9300e8e6694422952bf6c6a13d6e7b178b1bf6 100644
--- a/affichetoppic.php
+++ b/affichetoppic.php
@@ -82,71 +82,103 @@ else
 <?php
 if(isset($_GET['toppic'])){
   $name=htmlspecialchars($_GET['toppic']);
-  $sql=pg_query("SELECT pseudo, content, date, toppics.id FROM toppics JOIN users ON (users_id=users.id) WHERE namet='$name' ORDER BY date");
+  $sql=pg_fetch_assoc(pg_query("SELECT pseudo, adr_mail as mail, toppics.content, toppics.date, toppics.id, comments.date as comment FROM (users JOIN toppics ON (users.id=toppics.users_id)) JOIN comments ON(toppics.id=toppics_id) WHERE namet='$name' ORDER BY (toppics.date, comments.date)"));
+  $auteur=$sql['pseudo'];
+  $id=$sql['id'];
+}
+else{
+  header("Location: topiclist.php");
 }
 
 ?>
 <div class="col-lg-8 lg-8 text-left"> 
-    <table class="table">
-      <col width="20%">
-      <col width="60%">
-      <col width="20%">
-        <thead>
-          <tr>
-          <th class="lead">Auteur</th>
-          <th class="lead">Contenu</th>
-          <th class="lead">Date</th>
-          </tr>
-        </thead>
+  <div class="topic-all">
+      
+      <div class="pagetitle">
+        <h2 style="float:left;">
+           <span class="threadtitle">
+             <font color="black"><?php echo $name; ?></font>
+             <h6>
+               <a style="float: left;padding-top: 6px;margin-left: 10px;" href="./topiclist.php">Retour à la liste des sujets</a>
+             </h6>      
+          </span>
+        </h2>
+       
+       <div class="clear"></div>
+      </div> 
+     
+    
+     <div class="topic-title">
+        
+        <p>
+        <strong>Topic : </strong><?php echo $name; ?></p>
+        
+        <p>
+        <strong>Auteur: </strong><?php echo $sql['pseudo'];?>   </p>
 
-          <?php
+        <p>
+        <strong>Dernier message : </strong> <?php echo $sql['comment'];?> </p>
           
-          while($reponse=pg_fetch_assoc($sql))
-          {
-            $idTop=$reponse['id'];
-            ?>
-          <tr>
-            <td><?php echo $reponse['pseudo'];?></td>
-            <td><?php echo $reponse['content'];?></td>
-            <td><?php echo $reponse['date'];?></td>
-          </tr>
-            <?php
-
-          }
-          ?>
-          <tr>
-              <table class="table">
-                <col width="20%">
-                <col width="60%">
-                <col width="20%">
-              <thead>
-                <tr>
-                  <th class="lead">Pseudo</th>
-                  <th class="lead">Commentaire</th>
-                  <th class="lead">Date</th>
-                  </tr>
-              </thead>
-              <?php
-                 $sql1=pg_query("SELECT pseudo, comments.date, comments.content FROM (comments JOIN toppics ON(toppics.id=toppics_id)) JOIN users ON (comments.users_id=users.id) WHERE namet='$name' ORDER BY date");
-                while($reponse1=pg_fetch_assoc($sql1))
-                {
-                  ?>
-                <tr>
-                  <td><?php echo $reponse1['pseudo'];?></td>
-                  <td><?php echo $reponse1['content'];?></td>
-                  <td><?php echo $reponse1['date'];?></td>
-                </tr>
-                  <?php
-
+          <p>
+          <b>Création:</b><?php echo $sql['date'];?>     </p>
+     </div>
+     <div class="topic-contenu">
+      <p>
+        <strong>Contenu Concret:</strong>
+        <?php echo $sql['content']; ?>
+      </p>
+      <p>
+        Si vous voulez l'acheter ou avoir plus d'informations, connectez-moi!
+         <p>E-mail: <?php echo $sql['mail'];?></p>
+      </p>
+     
+     <p>
+       <img src="./img/photos.jpg" alt="Logo" width="500" height="400">
+     </p>
+    </div>
+          
+          <div id="postlist" class="postlist restrain">
+             <ul class="list-group">
+          
+                     <?php
+                     $sql1=pg_query("SELECT pseudo, comments.date, comments.content FROM (comments JOIN toppics ON(toppics.id=toppics_id)) JOIN users ON (comments.users_id=users.id) WHERE namet='$name' ORDER BY date");
+                    while($reponse1=pg_fetch_assoc($sql1))
+                    {
+                      $date=$reponse1['date'];
+                      $pseudo = $reponse1['pseudo'];
+                      $content = $reponse1['content'];
+                      ?>
+                      <li class="list-group-item">
+                      <div class="Datetime">
+                      <p><?php echo $date;?></p>
+                      </div>
+                      <div class="username">
+                      <h5><?php echo $pseudo; ?><?php if($auteur==$pseudo){?> <span class="badge">hôte</span><?php }?></h5>
+                      </div>
+                      <div class="commentaire">
+                      <p><?php echo $content; ?></p>
+                      </div>
+                      </li>
+                <?php
                 }
                 ?>
-              </table>
-            
-          </tr>
-      </table>  
-  </div>
+                <li class="list-group-item">
+                  <form role="form" method="post" action="addComment.php">
+                    <div class="form-group">
+                     <label for="name">Votre Commentaire:</label>
+                      <textarea class="form-control" rows="4" name="content" required placeholder="Votre commentaire ..."></textarea>
+                    </div>
+                    <input type="hidden" name="id" value="<?php echo $id; ?>">
+                    <input type="hidden" name="name" value="<?php echo $name; ?>">
+                    <input class="btn btn-primary " type="submit" value="Commenter">
+                  </form>
+                  
+                </li>
+          </ul>
+    </div>
+ </div>
   <div>
-<button type="button" class="btn btn-success btn-right" onclick="location.href='./addComment.php?toppic=<?php echo $idTop; ?>'">Commenter</button>    
+  
 
   </div>
 </div>
diff --git a/bootstrap/css/mystyle.css b/bootstrap/css/mystyle.css
index 8c4e20306539a9730bdc31b4b49332dfa82b9ec2..ebb95899b80108ff2a7d8856b161ba67d7666a7d 100644
--- a/bootstrap/css/mystyle.css
+++ b/bootstrap/css/mystyle.css
@@ -18,7 +18,7 @@ and open the template in the editor.
 	.sidenav {
       padding-top: 20px;
       background-color: #f1f1f1;
-      height: 100%;
+      height: 400%;
     }
 	/* Set black background color, white text and some padding */
     .footer {
@@ -36,4 +36,30 @@ textarea[aria-invalid="true"]
 {
   border:1px solid #f00;
   box-shadow:0 0 4px 0 #f00;
-}
\ No newline at end of file
+}
+
+.topic-title {
+       clear: both;
+       line-height: 18px;
+       background-color:#e7e6e6;
+       padding: 6px 10px;
+       margin: 5px 0px;
+       color: #454545;
+   }
+   .topic-contenu {
+       clear: both;
+       line-height: 18px;
+       background-color:#e7e6e6;
+       padding: 6px 10px;
+       margin: 5px 0px;
+       color: #454545;
+   }
+   .pagetitle{
+       padding: 0px 0px 0px 0px;
+       clear: both;
+       padding-top: 5px;
+       background: none;
+       margin-bottom: 5px;
+       width: 100%;
+   }
+   
\ No newline at end of file
diff --git a/class/addComment.class.php b/class/addComment.class.php
deleted file mode 100644
index 313bdfed1bc3dac942eb999061b3e72b72e3d41e..0000000000000000000000000000000000000000
--- a/class/addComment.class.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-require_once("/../fonction.php");
-
-class addComment
-{
-	private $content;
-	private $idTop;
-	private $bdd;
-
-	public function __construct($content, $sujet)
-	{
-		$this->content=pg_escape_string(htmlspecialchars($content));
-		$this->sujet=pg_escape_string(htmlspecialchars($sujet));
-		$this->bdd = bdd();
-	}
-
-	public function verify()
-	{
-		if (empty($this->content)) {
-			return "Veuillez remplir le contenu du commentaire !!!";
-		}
-		else
-		{
-			return "ok";
-		}
-	}
-
-	
-	public function insert($content, $sujet)
-	{
-		$idUser=$_SESSION['id'];
-		$date=date("Y-m-d");
-		$requete = pg_fetch_array(pg_query("SELECT id FROM toppics where namet='$sujet'"));
-		$idTop=$requete['id'];
-		$requete=pg_query("INSERT INTO comments(content, date, users_id, toppics_id) values('$this->content', '$date', $idUser, $idTop)");
-		return 1;
-	}
-}
-?>
\ No newline at end of file
diff --git a/class/inscription.class.php b/class/inscription.class.php
index ba40fc5c05a8457b2131f390402c7bc1e64b4af4..94eacedee1f8d0a055023797cbe5a3ce33e4c548 100644
--- a/class/inscription.class.php
+++ b/class/inscription.class.php
@@ -65,6 +65,22 @@ class inscription
 		return 1;
 	}
 
-
+	public function check()
+	{
+		$requete=pg_fetch_assoc(pg_query("SELECT pseudo, adr_mail as mail FROM users"));
+		if ($this->pseudo == $requete['pseudo']) {
+			return "Ce pseudo est dèjà utilisé";
+		}
+		else
+		{
+			if ($this->mail == $requete['mail']) {
+				return "Cette adresse mail est déjà utilisée";
+			}
+			else
+			{
+				return "ok";
+			}
+		}
+	}
 }
 ?>
\ No newline at end of file
diff --git a/img/photos.jpg b/img/photos.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..701c02fc6e0428269d4c4042bcb69e2c82b1dae3
Binary files /dev/null and b/img/photos.jpg differ
diff --git a/newtopics.php b/newtopics.php
index 1599e5ea8d378523ff4a999f3aa18b9b573c671a..08a3872445ab4886fd55b5e47980f241ed96cb99 100644
--- a/newtopics.php
+++ b/newtopics.php
@@ -133,7 +133,7 @@ else
                 <label class="col-sm-2 text-right ">Déscription</label>
               <div class="col-sm-10">
                   <textarea name="content" class="form-control" rows="15" placeholder="Le contenu ..."required
-                  aria-required="true" spellcheck="false" pattern="^([- \w\d\u00c0-\u024f]+)$"></textarea>
+                  aria-required="true" spellcheck="false" ></textarea>
               </div>
           </div>
           <br>
diff --git a/register.php b/register.php
index e2aaec311fcfcbecb0954a70f76ed827ba6733c7..b6fd13835962638df35c51440df9b619c65deb88 100644
--- a/register.php
+++ b/register.php
@@ -13,9 +13,15 @@ if (isset($_POST['pseudo'], $_POST['mdp'], $_POST['mdpC'], $_POST['mail']))
 
     $verif = $inscription->verify();
     if ($verif=="ok") {
-        $inscription->enregistrer();
-        header("Location: login.php");
-        exit;
+        $test =$inscription->check();
+        if ($test=="ok") {
+            $inscription->enregistrer();
+            header("Location: login.php");
+        }
+        else
+        {
+            $erreur=$test;
+        }
     }
     else
     {