{if logged_in}

        You are already registered and logged in.

{if:else}

        {exp:visitor:login_form return="visitor_example/profile"}

                <p>
                        <label for="email">Email:</label>
                        <input type="text" name="username" id="username" />
                </p>
                <p>
                        <label for="password">Password:</label>
                        <input type="password" name="password" id="password" />
                </p>

                {if auto_login}
                <p>
                        <label for="remember_me">Remember me?</label>
                        <input class='checkbox' type='checkbox' name='auto_login' value='1'  />
                </p>
                {/if}

                <input type="submit" name="submit" value="Log in" />

        {/exp:visitor:login_form}

{/if}