diff --git a/.~lock.brainstorming.odt# b/.~lock.brainstorming.odt#
new file mode 100644
index 0000000000000000000000000000000000000000..530947fd193e00183f01c09852e68b5c08cbaa79
--- /dev/null
+++ b/.~lock.brainstorming.odt#
@@ -0,0 +1 @@
+,koumaar,koumaar-VirtualBox,28.04.2016 19:49,file:///home/koumaar/.config/libreoffice/4;
\ No newline at end of file
diff --git a/authentification.php b/authentification.php
new file mode 100644
index 0000000000000000000000000000000000000000..3e14355ad0cc63a10a2164548b947b9df4083c81
--- /dev/null
+++ b/authentification.php
@@ -0,0 +1,51 @@
+<?php
+include("Miseenpage.php");
+
+entete("Authentification"); 
+if (isset($_POST['connexion'] && $_POST['connexion']=='Se connecter'{
+    if ((isset($_POST['noma']) && !empty($_POST['noma'])) && (isset($_POST['mdpa']) && !empty($_POST['mdpa'])){
+        if( $bd= (pg_connect("host=pgsql2 user))){
+	    $requete='SELECT COUNT(*) FROM compte_client WHERE nom=$_POST['noma'] AND MdP=$_POST['mdpa']';
+	    $response=pg_query($bd,$requete);
+	    if($response){
+		$nbrow=pg_num_rows($response);
+		if($nbrow==0){
+			$erreur="Ce compte n'existe pas, veuillez vérifiez vore nom et votre mot de passe";
+		}
+		else if($nbrow>1){
+		     $erreur="plusieurs comptes de meme nom et mot de passe";
+		}
+		else{
+			session_start();
+			$_SESSION['nom']=$_POST['nom'];
+			header(...);
+			exit();
+			
+		}
+	    }
+	}
+	else{
+	$erreur="problème de connexion au base de données"
+	}
+    }
+    else {
+    	 $erreur="un des champs est vide"
+    }
+}
+
+ ?>
+
+<h1>Connectez vous</h1>
+<p>
+<form action="authentification.php" method="POST">
+Nom <input type="text" name="noma" value="<?php if (isset($_POST['noma'])) echo $_POST['noma']; ?>"><br/>
+Mot de passe <input type="password" name="mdpa"  value="<?php if (isset($_POST['mdpa'])) echo $_POST['mdpa']; ?>"/>
+<input type="submit" name="connexion" value="Se connecter">
+</p>
+</form>
+<a href="creation_compte">Inscription</a>
+
+<?php
+if (isset($erreur)) echo'</br>',$erreur;
+pied();
+?>
\ No newline at end of file
diff --git a/authentification.php~ b/authentification.php~
new file mode 100644
index 0000000000000000000000000000000000000000..9ba9c0e826d8faba15a1166f110d97f9478815a1
--- /dev/null
+++ b/authentification.php~
@@ -0,0 +1,32 @@
+<?php
+include("Miseenpage.php");
+
+entete("Authentification"); 
+if (isset($_POST['connexion'] && $_POST['connexion']=='Se connecter'{
+    if ((isset($_POST['noma']) && !empty($_POST['noma'])) && (isset($_POST['mdpa']) && !empty($_POST['mdpa'])){
+        if( $bd= (pg_connect("host=pgsql2 user))){
+	    $requete='SELECT COUNT(*) FROM compte_client WHERE nom=$_POST['noma'] AND MdP=$_POST['mdpa']';
+	    $response=pg_query($bd,$requete);
+	    
+	}
+    }
+    else {
+    	 $erreur="un des champs est vide"
+    }
+}
+
+ ?>
+
+<h1>Connectez vous</h1>
+<p>
+<form action="authentification.php" method="POST">
+Nom <input type="text" name="noma" value="<?php if (isset($_POST['noma'])) echo $_POST['noma']; ?>"><br/>
+Mot de passe <input type="password" name="mdpa"  value="<?php if (isset($_POST['mdpa'])) echo $_POST['mdpa']; ?>"/>
+<input type="submit" name="connexion" value="Se connecter">
+</p>
+</form>
+
+<?php
+if (isset($erreur)) echo'</br>',$erreur;
+pied();
+?>
\ No newline at end of file
diff --git a/creation_compte.php b/creation_compte.php
new file mode 100644
index 0000000000000000000000000000000000000000..da0139e807b1eca2c4c760b3069d1a81098fa61a
--- /dev/null
+++ b/creation_compte.php
@@ -0,0 +1,54 @@
+<?php
+include("Miseenpage.php");
+
+entete("Création de compte"); 
+
+if (isset($_POST['inscription'] && $_POST['inscription']=='Inscription'{
+   if ((isset($_POST['nom']) && !empty($_POST['nom'])) && (isset($_POST['prenom']) && !empty($_POST['prenom'])) && (isset($_POST['DoB']) && !empty($_POST['DoB'])) && (isset($_POST['mdp']) && !empty($_POST['mdp'])) && (isset($_POST['mdp_c']) && !empty($_POST['mdp_c']))){
+        if ($_POST['mdp']!=$_POST['mdp_c']){
+	 	$erreur="Les deux mot de passes sont différents";
+		}
+	else {
+	     if( $bd= (pg_connect("host=pgsql2 user))){
+	     	 $requete='SELECT COUNT(*) FROM compte_client WHERE nom=$_POST['nom']';
+		 $response=pg_query($bd,$requete);
+		 if ($response){
+		    if(($nbrow=pg_num_rows($response))==0){
+			 $requete='INSERT INTO compte_client VALUES ("",$_POST['nom'],$_POST['prenom'],$_POST['DoB'],$_POST['mdp']);
+		    	 $response=pg_query($bd,$requete);
+			}
+		    else{
+			$erreur="Ce Nom est déjà utilisé";
+			}
+		}
+		else{
+		   $erreur="Requete non effectué"
+		}
+	     	 }
+	     else{
+		$erreur="Problème de connexion au base de données";
+		}
+	     }	
+   	}
+	else{
+	$erreur="au moins un des champs est vide";
+	}
+}
+?>
+
+<h1>Complétez ce formulaire</h1>
+<p>
+<form action="creation_compte.php" method="POST">
+Nom <input type="text" name="nom" value="<?php if (isset($_POST['nom'])) echo $_POST['nom']; ?>"><br/>
+Prénom <input type="text" name="prenom" value="<?php if (isset($_POST['prenom'])) echo $_POST['prenom']; ?>" /><br/>
+Date de Naissance <input type="text" name="DoB" value="<?php if (isset($_POST['DoB'])) echo $_POST['DoB']; ?>" /><br/>
+Mot de passe <input type="password" name="mdp" value="<?php if (isset($_POST['mdp'])) echo $_POST['mdp']; ?>"/><br/>
+Confirmez mot de passe <input type="password" name="mdp_c" value="<?php if (isset($_POST['mdp_c'])) echo $_POST['mdp_c']; ?>" /><br/>
+</p>
+<input type="submit" name="inscription" value="Inscription">
+</form>
+
+<?php
+if (isset($erreur)) echo'</br>',$erreur;
+pied();
+?>
\ No newline at end of file
diff --git a/creation_compte.php~ b/creation_compte.php~
new file mode 100644
index 0000000000000000000000000000000000000000..4eee87be744ef74cb61adffcacb67cbbb374dac5
--- /dev/null
+++ b/creation_compte.php~
@@ -0,0 +1,54 @@
+<?php
+include("Miseenpage.php");
+
+entete("Création de compte"); 
+
+if (isset($_POST['inscription'] && $_POST['inscription']=='Inscription'{
+   if ((isset($_POST['nom']) && !empty($_POST['nom'])) && (isset($_POST['prenom']) && !empty($_POST['prenom'])) && (isset($_POST['DoB']) && !empty($_POST['DoB'])) && (isset($_POST['mdp']) && !empty($_POST['mdp'])) && (isset($_POST['mdp_c']) && !empty($_POST['mdp_c']))){
+        if ($_POST['mdp']!=$_POST['mdp_c']){
+	 	$erreur="Les deux mot de passes sont différents";
+		}
+	else {
+	     if( $bd= (pg_connect("host=pgsql2 user))){
+	     	 $requete='SELECT COUNT(*) FROM compte_client WHERE nom=$_POST['nom']';
+		 $response=pg_query($bd,$requete);
+		 if ($response){
+		    if($nbrow=pg_num_rows($response)==0){
+			 $requete='INSERT INTO compte_client VALUES ("",$_POST['nom'],$_POST['prenom'],$_POST['DoB'],$_POST['mdp']);
+		    	 $response=pg_query($bd,$requete);
+			}
+		    else{
+			$erreur="Ce Nom est déjà utilisé";
+			}
+		}
+		else{
+		   $erreur="Requete non effectué"
+		}
+	     	 }
+	     else{
+		$erreur="Problème de connexion au base de données";
+		}
+	     }	
+   	}
+	else{
+	$erreur="au moins un des champs est vide";
+	}
+}
+?>
+
+<h1>Complétez ce formulaire</h1>
+<p>
+<form action="creation_compte.php" method="POST">
+Nom <input type="text" name="nom" value="<?php if (isset($_POST['nom'])) echo $_POST['nom']; ?>"><br/>
+Prénom <input type="text" name="prenom" value="<?php if (isset($_POST['prenom'])) echo $_POST['prenom']; ?>" /><br/>
+Date de Naissance <input type="text" name="DoB" value="<?php if (isset($_POST['DoB'])) echo $_POST['DoB']; ?>" /><br/>
+Mot de passe <input type="password" name="mdp" value="<?php if (isset($_POST['mdp'])) echo $_POST['mdp']; ?>"/><br/>
+Confirmez mot de passe <input type="password" name="mdp_c" value="<?php if (isset($_POST['mdp_c'])) echo $_POST['mdp_c']; ?>" /><br/>
+</p>
+<input type="submit" name="inscription" value="Inscription">
+</form>
+
+<?php
+if (isset($erreur)) echo'</br>',$erreur;
+pied();
+?>
\ No newline at end of file