website/public/login.php

@@ -10,6 +10,10 @@
 <?php
     session_start();
 
+    if(isset($_SESSION["userID"])){
+       window.onload=checkLoggedIn();
+    }
+
     // Define variables and set to empty values
     $uname = $psw ="";
     $loginErr ="";
@@ -42,5 +46,18 @@
 /* This view adds login view */
 include("../views/login-view.php");
 ?>
+
+<script>
+function checkLoggedIn() {
+    if (confirm("You are already logged in!\Do you want to logout?\Press ok to logout.") == true) {
+        unset($_SESSION["userID"]);
+        header("Location: login.php");
+    } else {
+        header("location: profile.php");
+    }
+    document.getElementById("demo").innerHTML = x;
+}
+</script>
+
 </body>
 </html>