/*
 * Version 1.0
 */

var $rp_timer = 0;

function rp_timer_click()
{
    rp_change_text(window.rp_current_post + 1);
    rp_start_timer();
}

function rp_start_timer()
{
    $rp_timer = setTimeout("rp_timer_click()", window.rp_timer_sec * 1000);
    document.getElementById("rp_nav_pause").onclick = rp_stop_timer;
    document.getElementById("rp_nav_pause_normal").style.display = "inline";
    document.getElementById("rp_nav_pause_pressed").style.display = "none";
}

function rp_stop_timer()
{
    clearTimeout($rp_timer);
    document.getElementById("rp_nav_pause").onclick = rp_restart_timer;
    document.getElementById("rp_nav_pause_normal").style.display = "none";
    document.getElementById("rp_nav_pause_pressed").style.display = "inline";
}

function rp_restart_timer()
{
    rp_timer_click();
}

function rp_change_text($rp_current)
{
    rp_stop_timer();

    if ($rp_current < 0)
    {
        $rp_current = window.rp_number_posts - 1;
    }
    $rp_current = $rp_current % window.rp_number_posts;

    window.rp_current_post = $rp_current;

    for (i = 0; i < window.rp_number_posts; i++)
    {
        if (i == $rp_current)
        {
            document.getElementById('rp_post' + i).style.display = "block";
            document.getElementById('rp_nav_thumbnail' + i).className = "rp_nav_thumbnail_on";
        }
        else
        {
            document.getElementById('rp_post' + i).style.display = "none";
            document.getElementById('rp_nav_thumbnail' + i).className = "rp_nav_thumbnail_off";
        }
    }
}