kalbot RSI

// copyleft pavel pavlov
// kalbot rsi
//
study(title="kalbot RSI", shorttitle="kalbot RSI", max_bars_back=99)
//Inputs
src = input(close, title="RSI Source")
lengthRSI = input(14,title="RSI Length", minval=1)
Overbought1=input(70,title="Overbought2", minval=60)
Oversold1=input(30,title="Oversold2", minval=40)
Overbought2=input(80,title="Overbought2", minval=80)
Oversold2=input(20,title="Oversold2", minval=20)
line50=input(50,title="line50", minval=49)
//RSI Calculation
rsi1 = rsi(src, lengthRSI)
//Buy and Sell zones
h0 = hline(Overbought1,title="Overbought1",color=red,linestyle=solid,linewidth=1)
h1 = hline(Oversold1,title="Oversold1",color=lime,linestyle=solid,linewidth=1)
h2 = hline(Overbought2,title="Overbought1",color=yellow,linestyle=solid,linewidth=1)
h3 = hline(Oversold2,title="Oversold1",color=yellow,linestyle=solid,linewidth=1)
h4 = hline(line50,title="line50",color=silver,linestyle=dotted,linewidth=1)
fill(h2,h0, color=red, transp=80)
fill(h3,h1, color=lime, transp=80)
//Plot RSI with Buy and Sell zones
plot(rsi1, title="rsi", color=white)