/*[[
	Name := ATRBurts
	Author := Hapsa
	Link := http://finance.groups.yahoo.com/group/MetaTrader_Experts_and_Indicators
	Separate Window := Yes
	First Color := MistyRose
	First Draw Type := Line
	First Symbol := 217
	Use Second Data :=No
	Second Color := Red
	Second Draw Type := Line
	Second Symbol := 218
]]*/

Input : prd(5);
Variable : shift(0);
Variable : CurrATR(0), PrevATR(0), ATRburst(0);

SetLoopCount(0);
For shift = Bars-1 Downto 0 Begin
  SetIndexValue(shift, 0);  
  
  CurrATR = iATR(prd, shift);
  PrevATR = iATR(prd, shift+1);
  ATRburst = CurrATR - PrevATR;
 
  SetIndexValue(shift, ATRburst);
  
End;