diff --git a/header.php b/header.php
index 6f6732b038ba3696a61391e994d0e81e22b6b583..5cf73db225327b096bae4045ec49409e7c1c7634 100644
--- a/header.php
+++ b/header.php
@@ -4,6 +4,6 @@
   <meta charset="utf-8" />
   <title>secours retraité</title>
   <link rel="script/javascript" src="./FrontEnd/js/jquery.min.js"/>
-  <link rel="shortcut icon" type="image/x-icon" href="Annoying_Dog.gif" /
+  <link rel="shortcut icon" type="image/x-icon" href="Annoying_Dog.gif" />
  </head>
- <body>
\ No newline at end of file
+ <body>
diff --git a/index.php b/index.php
index bf22b71dc96ba78f8457dd72a773bf476f8526cf..17e42b4dda94289aba2853498a491537d7976df5 100644
--- a/index.php
+++ b/index.php
@@ -3,21 +3,17 @@ session_start();
 require_once 'header.php';
 ?>
 
-<!DOCTYPE html>
-<html>
- <head>
-  <meta charset="utf-8" />
-  <title>secours retraité</title>
-  <link rel="script/javascript" src="./FrontEnd/js/jquery.min.js"/>
-  <link rel="shortcut icon" type="image/x-icon" href="Annoying_Dog.gif" />
- </head>
- <body>
- 
   <nav>
 
-
-   <a id="login" href="./login.php"/>Login</a>
-
+<?php
+  if(isset($_POST['login']))
+  {
+    echo '<a id="login" href="./login.php"/>hello'.$_POST['login'].'</a>';
+  } else
+  {
+    echo '<a id="login" href="./login.php"/>Login</a>';
+  }
+?>
 
   </nav>
 
diff --git a/login_backend.php b/login_backend.php
new file mode 100644
index 0000000000000000000000000000000000000000..46f4fcaf1600221b75112047a1fafe022c1cc8da
--- /dev/null
+++ b/login_backend.php
@@ -0,0 +1,34 @@
+<?php
+require_once 'class/BackEnd/User/monitoreduser.class.php';
+require_once 'class/BackEnd/User/supervisoruser.class.php';
+
+session_start();
+
+if(isset($_POST['login']) && isset($_POST['password']) && !empty($_POST['login']) && !empty($_POST['password']))
+{
+	try
+	{
+		$user= new MonitoredUser('login', $_POST['password']);
+		if ($user->password === $_POST['password'])
+		{
+			$_SESSION['login']=$user->getLogin();
+		}
+	}
+	catch(Exception $e){
+		try
+		{
+			$user= new SupervisorUser('login', $_POST['password']);
+			if ($user->password === $_POST['password'])
+			{
+				$_SESSION['login']=$user->getLogin();
+			}
+		}
+		catch(Exception $e){
+			header('Location: index.php?err=1');
+		}
+		header('Location: index.php');
+	}
+	
+} else {
+	header('Location: index.php?err=1');
+}
\ No newline at end of file