blut += 1;
if (blut > 21)
{
    image_index = 1;
    blue = 1;
}
if (blut > 42)
{
    blut = 0;
    blue = 0;
    image_index = 0;
}
if (stage == 0 && y < global.idealborder[2])
{
    stage = 1;
    y = global.idealborder[2];
    vspeed = 0;
    hspeed = -4;
}