CCI OB and OS

//Modified by Ivan Labrie on 04-11-2015
//Created by ChrisMoody on 10-17-2014 by user request.

study(title="CCI OB and OS signals", shorttitle="CCI OB and OS", overlay=true)
length2 = input(11, minval=1, title="CCI Length")
cciT = input(100, minval=50, maxval=200, title="CCI Trigger Lines, Converts to +100,-100 - +200,-200 etc.")
scci = input(true, title="Show CCI BackGround Highlight")
//CCI Code
ma = sma(close, length2)
cci = (close - ma) / (0.015 * dev(close, length2))
cciTA = 0 + cciT
cciTB = 0 - cciT
//CCI Criteria Definitions
cciA = cci > cciTA ? 1 : 0
cciB = cci < cciTB ? 1 : 0
//CCI Color Plots
condCCI = scci and cciA ? green : scci and cciB ? red : na
//Background Highlights
bgcolor(condCCI, transp=50)