N Period high/low breakout

strategy(title="N Period Highs and Low breakout" , shorttitle="N Period Highs and Low breakout", overlay=true)

//Variable definition
periodhigh = input(title="Period High", type=integer, defval=2)
periodlow = input(title="Period Low", type=integer, defval=2)
Period = input(title="Other Period", type=resolution,defval="D")
src = input(close, title="Source")

//Define N Period High and Low
Period_High = security(tickerid, Period, highest(high,periodhigh)[1])
Period_Low = security(tickerid, Period, lowest(low,periodlow)[1])

//Plot N Period High and N Period Low
plot(isintraday ? Period_High : na, title="N day High",style=line, color=black,linewidth=2)
plot(isintraday ? Period_Low : na, title="N day Low",style=line, color=black,linewidth=2)

//Long Entry condition
longentry=src>Period_High
strategy.entry("Long",strategy.long, when=longentry==true,stop=high)

//Short entry condition
shortentry=src<Period_Low
strategy.entry("Short",strategy.short, when=shortentry==true,stop=low)