math.randomseed(os.time())
math.random(); math.random()
local num = math.random(1,100)
if num <=50 then ScenEdit_SetMission('side', 'mission', {isactive=true})
elseif num > 50 then ScenEdit_SetMission('side', 'mission', {isactive=false})
end

math.randomseed(os.time()) --Inititates a new random seed based on your system time, this makes the numbers more 'random', otherwise you will get fairly similar results every time
unitname = 'xxxx' --Your unit name goes here replacing xxxx, make sure to leave the inverted commas, must be an exact match
unitside = 'yyyy' --Your unit's side name goes here replacing yyyy, same constraints as above
percent = 50 --The percentage chance that the emcon will change turn/remain on

unit = ScenEdit_GetUnit({side=unitside,name=unitname}) --gets the unit data based on what you entered above

if unit ~= nil then --Checks to see if there's a unit with that name/side
roll = math.random(1,100) --generates a random number, simulating a 100 sided dice roll
	if roll <= percent then
		ScenEdit_SetEmcon('Unit',unit.guid,'OECM=Active') --what happens if the percentage threshold is met, in this case set OECM to active
	else
		ScenEdit_SetEmcon('Unit',unit.guid,'OECM=Passive') --what happens if the percentage threshold is not met, in this case set OECM to passive
	end --Ends the 'roll' if/else statement 
else 
ScenEdit_MsgBox("Couldn't find a unit with that name or side -- is it possible the jammer died?", 6) -- An error message to let you know what's wrong if it doesn't fire, you can delete this line once you've got it working in testing if you like and nothing will change
end