function step_2_select_all_guests()
{
    var items = document.getElementById("step_2_table_passenger_list").getElementsByTagName("input");

    for(var i = 0; i < items.length; i++)
    {
        items[i].checked = true;
    }
}

function step_2_deselect_all_guests()
{
    var items = document.getElementById("step_2_table_passenger_list").getElementsByTagName("input");
    for(var i = 0; i < items.length; i++)
    {
        items[i].checked = false;
    }
}

function step_2_open_add_new()
{
    $('#step_2_add_new_passenger').slideDown('slow');
    $('#step_2_close_new_passenger_link').slideDown('slow');
    $('#step_2_add_new_passenger_link').slideUp('slow');

}

function step_2_close_add_new()
{
    $('#step_2_add_new_passenger').slideUp('slow');
    $('#step_2_close_new_passenger_link').slideUp('slow');
    $('#step_2_add_new_passenger_link').slideDown('slow');
}

function step_4_open_email()
{
    $('#step_4_email').slideDown('slow');
    $('#step_4_close_email_link').slideDown('slow');
}

function step_4_close_email()
{
    $('#step_4_email').slideUp('slow');
    $('#step_4_close_email_link').slideUp('slow');
}

function changeSeat(btn)
{
    document.getElementById("s" + document.getElementById("step_3_seat_change_current_seat_txt").value).style.backgroundColor = "#FFFFFF";
    document.getElementById(btn.id).style.backgroundColor = "#00FF00";
    document.getElementById("step_3_seat_change_current_seat_txt").value = (btn.id).substring(1);
}