public OnEntityCreated(iEnt, const String:szClassname[])
{
	if(StrEqual(szClassname, "hegrenade_projectile")){
		SDKHook(iEnt, SDKHook_SpawnPost, OnGrenadeSpawn);
	}
}

public OnGrenadeSpawn(iGrenade)
{
	CreateTimer(0.01, ChangeGrenadeDamage, iGrenade, TIMER_FLAG_NO_MAPCHANGE);
}

public Action:ChangeGrenadeDamage(Handle:hTimer, any:iEnt)
{
	if(IsValidEntity(iEnt)){
		new client = GetEntPropEnt(iEnt, Prop_Send, "m_hOwnerEntity");
		if(IsValidClient(client)){
			if(active[client]){
			    if(!GetRandomInt(0,3)){
				SetEntPropFloat(iEnt, Prop_Send, "m_flDamage", FloatAdd(9000.0, float(Cmod_GetINT(client))));
                }
			}
		}
	}
}