// fog limits update
if (*sky_fogend>*sky_camclipfar)
{
*sky_fogend = *sky_camclipfar;
}
if (*sky_fogstart>*sky_fogend)
{
*sky_fogstart = *sky_fogend;
}
pan_setslider(sky_lowpanel, 10, 100+22,365+2, horiz_slider_bmp,slider_knob_bmp, 0,*sky_fogend, *sky_fogstart);
pan_setslider(sky_lowpanel, 11, 100+22,385+2, horiz_slider_bmp,slider_knob_bmp, *sky_fogstart,*sky_camclipfar, *sky_fogend);