<div class="login_form">
                <?php

                    if($_COOKIE['username']!='')
                    {
                        $cookieUsername = $_COOKIE['username'];
                        echo "username cookie is set: $cookieUsername <br />";

                        $verified=true;

                        //set $verified boolean to true, because even
                    }

                    //be ready to accept username/password for login, sent by previous page
                    else if(isset($_POST['login_username']))
                    {
                            $login_username=$_POST[login_username];
                            $login_password=$_POST[login_password];

                             //connecting to db servers
                              $dbCon=mysql_connect('localhost','root','');
                              //connecting to our db
                              $selDB=mysql_select_db('test',$dbCon);

                              if(!$dbCon || !$selDB)
                              {
                                exit("<br /> ! Error connecting DataBase or DataBase server for login authentication !<br />");
                              }

                              $getUsers=mysql_query("SELECT username,password FROM users");
                              if(!$getUsers)
                              {
                                exit("<br /> !! unable to fetch user accounts from database !! <br />");
                              }

                              $verified = false;

                              while($row=mysql_fetch_array($getUsers))
                              {
                                    $username=$row['username'];
                                    $password=$row['password'];

                                    echo $username." | ".$password."<br />";

                                    if(($username == $login_username) && ($password == $login_password))
                                    {
                                        echo "<br />--LOGIN SUCCESSFUL--<br />";
                                        $verified = true;
                                        setcookie('username',$username,259200); //3 days , in seconds
                                        setcookie('password',$password,259200);
                                        //move the values to the set cookies again now, the following way, when followed,
                                        // we don't need to refresh the page to be able to use the cookies.
                                        $_COOKIE['username'] = $username;
                                        $_COOKIE['password'] = $password;
                                    }

                             }

                            if(!$verified)
                                echo "Wrong username / password<br />";

                    }


                    //show form only if user not verified
                    if(!$verified)
                    {


                ?>
                <form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">
                Username <input class="lico" type="text" name="login_username" /><br />
                Password <input class="lico" type="password" name="login_password" /><br />
                <input type="image" value="submit" src="../images/submit_button.png" /><br />
                <a href="registration.php" title="Sign Up for a new client account">Sign Up for new account</a><br />
                </form>

                <?php
                //end of if(!$verified) statement
                    }

                ?>
                </div>