Moving RSI by tmr0

//coded by tmr0
//@version=2
strategy("Moving RSI by tmr0",shorttitle="tMRSI", overlay=false, default_qty_type=strategy.cash, default_qty_value=7000,  precision=0)

rsilen=input(3)
smalen=input(20)
chan=input(20, step=5)

s=hl2-sma(hl2,smalen)
z=rsi(s,rsilen)
plot(s, style =areabr, color = #b08040, transp=65)
hline(0, linestyle=dashed)
enterL = z<chan
enterS = z>(100-chan)

plotshape(enterL, "EnterL", style=shape.triangleup, color=teal, location=location.bottom)
plotshape(enterS, "EnterS", style=shape.triangledown, color=maroon, location=location.bottom)
//plotshape(overL and not enterS, "StopL", style=shape.square, color=teal, location=location.bottom)
//plotshape(overS and not enterL, "StopS", style=shape.square, color=maroon, location=location.bottom)

strategy.entry("Long", strategy.long, when=enterL)
strategy.entry("Short", strategy.short, when=enterS)
//strategy.close("Short", when=overS)
//strategy.close("Long", when=overL)