anchor.diff:  						src.density = 0
   						update_icon()
   
  -						if(!istype(src, /obj/machinery/door/airlock/glass))
  +						if(!glass)
   							src.sd_SetOpacity(0)
   						src.operating = 0
   					return
  
positive.code: 							sleep(15)
  							update_icon()
  
  							if((src.visible) && (!istype(src, /obj/machinery/door/airlock/glass)))
  								src.sd_SetOpacity(1)
  							src.operating = 0
  					else
  
negative.code: 					src.density = 0
  					update_icon()
  
  					if(!glass)
  						src.sd_SetOpacity(0)
  					src.operating = 0
  					return
  