function scr_sideb_get_phase()
{
    var phase = 0;
    if (global.flag[916] == 0)
    {
        if (global.flag[915] > 0 && global.flag[915] < 4)
            phase = 1;
        if (global.flag[915] >= 4 && global.flag[915] < 7)
            phase = 2;
        if (global.flag[915] >= 7 && global.flag[915] < 20)
            phase = 3;
        if (global.flag[915] >= 20)
            phase = 4;
    }
    return phase;
}