3/8 EMA CROSSOVER for Amibroker (AFL)

_SECTION_BEGIN("Price");
SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g, Close %g (%.1f%%) {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 ) ) ));
Plot( C, "Close", ParamColor("Color", colorBlack ), styleNoTitle | ParamStyle("Style") | GetPriceStyle() ); 
_SECTION_END();


_SECTION_BEGIN("ema_crossover");
x = EMA(Close,3);
y = EMA(Close,8);
Plot(EMA(Close,3),"",colorRed,styleLine);
Plot(EMA(Close,8),"",colorDarkGreen,styleLine);

Buy=Cross(x,y);
PlotShapes(shapeUpArrow*Buy,colorGreen);
XR=(EMA(Close,3) * (2 / 6 - 1) - EMA(Close,8) * (2 / 11 - 1)) / (2 / 6 - 2 / 11);
Title = Name() + " " + Date()+" " + EncodeColor( colorBlue ) +"3/8 EMA " +EncodeColor( colorRed )
+ " O " + O + " H " + H + " L " + L + " C "+ C + "\n";

Sell=Cross(y,x);
PlotShapes(shapeDownArrow*Sell,colorRed);
AlertIf( Sell, "SOUND C:\\Windows\\Media\\chord.wav", "Audio alert", 2 );
XR=(EMA(Close,8) * (2 / 6 - 1) - EMA(Close,3) * (2 / 11 - 1)) / (2 / 6 - 2 / 11);
Title = Name() + " " + Date()+" " + EncodeColor( colorBlue ) +"3/8 EMA " +EncodeColor( colorRed )
+ " O " + O + " H " + H + " L " + L + " C "+ C + "\n";

_SECTION_END();