Predict cycle

Guys,

Please some one convert this afl to mt4.

Want to test 1 method which useful for NSE.
I got from marketcalls.
please help me.

Dont change any parameter, functionality or any value. I need exactly same in MT4.

PHP Code:

---

_SECTION_BEGIN("Market Trend");
SetChartOptions(0,chartShowArrows|chartShowDates);

_N(Title = StrFormat(" -   Open %g, Hi %g, Lo %g, Close %g (%.1f%%)  - Cycle analysis indicator from www.marketcalls.in", O, H, L, C, SelectedValue( ROC( C, 1 ) ) ));

Plot( C, "Close", colorDefault, styleNoTitle | ParamStyle("Style") | GetPriceStyle() ); 


function predictCycle( arg1, arg2 )
{
  local var1, var2; 

  result = arg1 + arg2; 

  return result;
}

Predict=0;
P = ParamField("Price field",-1);
Periods = Param("Periods", 15, 2, 300, 1, 10 );
Predict = PredictCycle(C,Periods);

Buy = Predict>Ref(Predict,-1);
Sell = Predict<Ref(Predict,-1);

Buy = ExRem(Buy,Sell);
Sell = ExRem(Sell,Buy);

Plot(Predict,"Predict",colorwhite,styleLine | styleThick);

PlotShapes(IIf(Buy, shapeUpArrow, shapeNone),colorGreen, 0,L, Offset=-5); 
PlotShapes(IIf(Sell, shapeDownArrow, shapeNone),colorRed, 0,H, Offset=-5);

 _SECTION_END(); 


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Predict cycle