Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If this card is Normal or Flip Summoned: Change this card to Defense Position. Negate the effects on the field of Continuous Spells/Traps. * The above text is unofficial and describes the card's functionality in the OCG.
--静寂虫
--Silent Insect
local s,id=GetID()
function s.initial_effect(c)
	--Change battle position
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_POSITION)
	e1:SetType(EFFECT_TYPE_TRIGGER_F+EFFECT_TYPE_SINGLE)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetTarget(s.postg)
	e1:SetOperation(s.posop)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EVENT_FLIP_SUMMON_SUCCESS)
	c:RegisterEffect(e2)
	--Negate effect
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_FIELD)
	e3:SetCode(EFFECT_DISABLE)
	e3:SetRange(LOCATION_MZONE)
	e3:SetTargetRange(LOCATION_SZONE,LOCATION_SZONE)
	e3:SetTarget(s.distarget)
	c:RegisterEffect(e3)
	--Negate effect
	local e4=Effect.CreateEffect(c)
	e4:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e4:SetCode(EVENT_CHAIN_SOLVING)
	e4:SetRange(LOCATION_MZONE)
	e4:SetOperation(s.disop)
	c:RegisterEffect(e4)
	--Disable trap monster
	local e5=Effect.CreateEffect(c)
	e5:SetType(EFFECT_TYPE_FIELD)
	e5:SetCode(EFFECT_DISABLE_TRAPMONSTER)
	e5:SetRange(LOCATION_MZONE)
	e5:SetTargetRange(LOCATION_MZONE,LOCATION_MZONE)
	e5:SetTarget(s.distarget)
	c:RegisterEffect(e5)
	aux.DoubleSnareValidity(c,LOCATION_MZONE)
end
function s.postg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chk==0 then return e:GetHandler():IsAttackPos() end
	Duel.SetOperationInfo(0,CATEGORY_POSITION,e:GetHandler(),1,0,0)
end
function s.posop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsFaceup() and c:IsAttackPos() and c:IsRelateToEffect(e) then
		Duel.ChangePosition(c,POS_FACEUP_DEFENSE)
	end
end
function s.distarget(e,c)
	return c~=e:GetHandler() and c:IsType(TYPE_CONTINUOUS)
end
function s.disop(e,tp,eg,ep,ev,re,r,rp)
	local tl=Duel.GetChainInfo(ev,CHAININFO_TRIGGERING_LOCATION)
	if tl==LOCATION_SZONE and re:IsActiveType(TYPE_CONTINUOUS) then
		Duel.NegateEffect(ev)
	end
end