#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red

//---- input parameters
extern int PeriodWATR=10;
extern double Kwatr=1.0000;
extern int HighLow=0;
extern int cbars = 1000;
extern int from  = 0;
extern int period  = PERIOD_M30;


//---- indicator buffers
double LineBuyBuffer[];
double LineSellBuffer[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init(){
   string short_name;
//---- indicator line
   SetIndexStyle(0,DRAW_ARROW,STYLE_SOLID,2);
   SetIndexStyle(1,DRAW_ARROW,STYLE_SOLID,2);
   
   SetIndexEmptyValue(0,0);
   SetIndexArrow(0,233);
   
   SetIndexEmptyValue(1,0);
   SetIndexArrow(1,234);
   SetIndexBuffer(0,LineBuyBuffer);
   SetIndexBuffer(1,LineSellBuffer);
//---- name for DataWindow and indicator subwindow label
   short_name="NinaX";
   IndicatorShortName(short_name);

//----
   return(0);
  }

int start(){
   int i,b,f = iBarShift(NULL,period,Time[from]),l = 0;
   ArrayInitialize(LineBuyBuffer,0);
   ArrayInitialize(LineSellBuffer,0);
   
   for(i=cbars-1;i>=from;i--){	
      b = iBarShift(NULL,period,Time[i]);
      if(l==b){
         LineBuyBuffer[i]  = 0;
         LineSellBuffer[i] = 0;
         }
      else{
         l = b;
         LineBuyBuffer[i]  = iCustom(NULL,period,"aNina",PeriodWATR,Kwatr,HighLow,cbars,f,2,b);
         if(LineBuyBuffer[i]!=0) LineBuyBuffer[i] = Low[i]-10*Point;
         LineSellBuffer[i] = iCustom(NULL,period,"aNina",PeriodWATR,Kwatr,HighLow,cbars,f,3,b);
         if(LineSellBuffer[i]!=0) LineSellBuffer[i] = High[i]+10*Point;
         }
	   }
	return(0);	
 }