/*[[
      Name := arrows template
      Separate Window := No
      First Color := Red
      First Draw Type := Symbol
      First Symbol := 234
      Use Second Data := Yes
      Second Color := blue
      Second Draw Type := Symbol
      Second Symbol := 233
]]*/

Vars:Zbars(12);
Vars: lasttrade(0),i(0),line_top(0),line_low(0),bar(0);

SetLoopCount(0);

For i=Bars-Zbars Downto 0 Begin

line_top=iEnvelopes(144,MODE_EMA,0.05,PRICE_CLOSE,MODE_UPPER,i);
line_low=iEnvelopes(144,MODE_EMA,0.05,PRICE_CLOSE,MODE_LOWER,i);

// Blue arrow - buy
   
if 		close[i+2]>line_top 	and 
		open[i+1]>line_top 		and 
		close[i+1]>line_top 	and
		close[i+1]>open[i+1] 		and not 
		lasttrade=OP_BUY  		then
      	{
      	lasttrade=OP_BUY;
      	SetIndexValue2(i,Low[i]-5*Point);
    	};


// Red arrow - sell

if 		close[i+2]<line_low 	and 
		open[i+1]<line_low 		and 
		close[i+1]<line_low 	and
		close[i+1]<open[i+1]	and not 
		lasttrade=OP_SELL 		Then
     	{
     	lasttrade=OP_SELL;
     	SetIndexValue(i,High[i]+5*Point);
   		};
End;