Hi Guys, can someone please convert this Scalping Line Indicator to an MT4 indicator It's quite popular, tracked it for a week, but unless you are a premium user changing tf and symbols is irritating.

https://www.tradingview.com/script/irb0NAkB/

So if someone has time please convert it to MT4.

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © KivancOzbilgic

//@version=4
study("Scalping Line", overlay=false)
src = input(close, title="Source")
percent = input(1.0,"Percent", type=input.float, step=0.1, minval=0)
mainperiod = input(100,"Main Period")
signalperiod = input(7,"Signal Period")
MA = sma(sma(src, ceil(mainperiod / 2)), floor(mainperiod / 2) + 1)
ssMA = MA>close+MA*percent/100 ? MA : MA<close-MA*percent/100 ? MA : close
signalline = sma(close,signalperiod)
ScalpLine = signalline-ssMA

k1=plot(ScalpLine,"SLI",color.maroon,2)
k2=plot(0,"")

color1= ScalpLine>=0 ? color.green : color.red
fill(k1,k2,color=color1,transp=80)
alertcondition(crossover(ScalpLine,0), title="BUY ALARM!", message="SLI BUY Signal!")
alertcondition(crossunder(ScalpLine,0), title="SELL ALARM!", message="SLI SELL Signal!")