set(blend1, %1);
sub(blend2, 1.0, %1);
copy(hotspot[pano1_f].alpha, blend1);
copy(hotspot[pano1_l].alpha, blend1);
copy(hotspot[pano1_r].alpha, blend1);
copy(hotspot[pano1_b].alpha, blend1);
copy(hotspot[pano1_u].alpha, blend1);
copy(hotspot[pano1_d].alpha, blend1);
copy(hotspot[pano2_f].alpha, blend2);
copy(hotspot[pano2_l].alpha, blend2);
copy(hotspot[pano2_r].alpha, blend2);
copy(hotspot[pano2_b].alpha, blend2);
copy(hotspot[pano2_u].alpha, blend2);
copy(hotspot[pano2_d].alpha, blend2);
setblend(0);