Hide/Show if logged in

Hide/Show if logged in

Hi everyone, I can't get this out, i searched everywhere and didn't find solution...


<fieldset id="signin_menu">
    <form action="%%GLOBAL_ShopPath%%/login.php?action=check_login" method="post" id="signin" onsubmit="return check_login_form()">
    <p style="display: %%GLOBAL_HideLoginMessage%%" class="%%GLOBAL_MessageClass%%">
                                                %%GLOBAL_LoginMessage%%
                                        </p>
                <label for="login_email">Email</label>
                <input type="text" class="Textbox Field150 InitialFocus" name="login_email" id="login_email" />
                </p>
      <p>
        <label for="password">Lozinka</label>
        <input type="password" class="Textbox Field150" name="login_pass" id="login_pass" />
      </p>
      <p class="remember">
        <input id="signin_submit" value="Sign in" tabindex="6" type="submit">
      </p>
    </form>
  </fieldset>


I want signin_menu to be switched with some text, based on user login condition. If logged in show signin_menu else hide signin_menu and show welcome_message.

Thanks for help.