#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color2 Blue
#property indicator_color3 Red

double BufSAR[];
double BufBuy[];
double BufSell[];


int init()
{
	SetIndexBuffer(0,BufSAR);
	SetIndexBuffer(1,BufBuy);
	SetIndexBuffer(2,BufSell);
	

	SetIndexStyle(1,DRAW_ARROW,STYLE_SOLID,2,Blue);
	SetIndexArrow(1,233);

	SetIndexStyle(2,DRAW_ARROW,STYLE_SOLID,2,Red);
	SetIndexArrow(2,234);

	return(0);
}

int start()
{
	int counted_bar = IndicatorCounted();
	int limit = Bars-counted_bar;

	if(counted_bar == 0) limit -= 1;
	for (int i = limit-1; i>=0; i--)
	{
		BufSAR[i] = iSAR(NULL,0,0.02,0.2,i);
	}

	if(counted_bar == 0) limit -= 2;
	for (i = limit-1; i>=0; i--)
	{
	BufBuy[i] = EMPTY_VALUE;
	if(BufSAR[i+1] >= Close[i+1] && BufSAR[i] <= Close[i])
	{
	BufBuy[i] = Low[i]-20*Point;
	}
	
	BufSell[i] = EMPTY_VALUE;
	if(BufSAR[i+1] <= Close[i+1] && BufSAR[i] >= Close[i])
	{
	BufSell[i] = High[i]+20*Point;
	}
}
	return(0);
}