Filter overStochastic

//+------------------------------------------------------------------+
//|                                               Filter overWPR.mq4 |
//|                   Copyright © 2006, Indoforex Groups - Primajaya |
//|                                   http://primaforex.blogspot.com |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, Indoforex Groups"
#property link      "http://primaforex.blogspot.com"

#property indicator_separate_window
#property indicator_minimum -0.05
#property indicator_maximum 1.00
#property indicator_buffers 4
#property indicator_color1 Red
#property indicator_color2 Blue
#property indicator_color3 SteelBlue
#property indicator_color4 Orange



//---- input parameters
extern int PeriodeStoch=14;
extern int PercentD=3;
extern int Smooth=5;
//---- indicator buffers
double UpBuffer1[];
double DnBuffer1[];
double UpBuffer2[];
double DnBuffer2[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
  int init()
  {
   string short_name;
//---- indicator line
   SetIndexStyle(0,DRAW_HISTOGRAM,STYLE_SOLID,2);
   SetIndexStyle(1,DRAW_HISTOGRAM,STYLE_SOLID,2);
   SetIndexStyle(2,DRAW_HISTOGRAM,STYLE_SOLID,2);
   SetIndexStyle(3,DRAW_HISTOGRAM,STYLE_SOLID,2);
   
   SetIndexBuffer(0,UpBuffer1);
   SetIndexBuffer(1,DnBuffer1);
   SetIndexBuffer(2,UpBuffer2);
   SetIndexBuffer(3,DnBuffer2);
   
   IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS));
//---- name for DataWindow and indicator subwindow label
   short_name="Primajaya overSTOCH("+PeriodeStoch+")";
   IndicatorShortName(short_name);
   SetIndexLabel(0,"Strong Bears");
   SetIndexLabel(1,"Strong Bulls");
   SetIndexLabel(2,"Potential to Bulls");
   SetIndexLabel(3,"Potential to Bears");
   
//----
   SetIndexDrawBegin(0,PeriodeStoch);
   SetIndexDrawBegin(1,PeriodeStoch);
   SetIndexDrawBegin(2,PeriodeStoch);
   SetIndexDrawBegin(3,PeriodeStoch);  
//----
   return(0);
  }

//+------------------------------------------------------------------+
//| ProSol Confirmation                                              |
//+------------------------------------------------------------------+
int start()
  {
   int shift,trend;
   double PK;
   double PD;

   
   for(shift=Bars-PeriodeStoch-1;shift>=0;shift--)
   {	
   PK=iStochastic(NULL, 0,PeriodeStoch,PercentD,Smooth,MODE_EMA,1,MODE_MAIN,shift);
   PD=iStochastic(NULL, 0,PeriodeStoch,PercentD,Smooth,MODE_EMA,1,MODE_SIGNAL,shift);

   	
	  if (PK>20 && PK>PD && PK<40 && PD<40)  trend=1;
	  if (PK<=20)  trend=2;  
	  if (PK<80 && PK<PD && PK>60 && PD>60) trend=3;
	  if (PK>=80)  trend=4;
	  
	  if (trend==1) 
	  {
	  
	  UpBuffer1[shift]=0;
	  UpBuffer2[shift]=1;
	  DnBuffer1[shift]=0;
	  DnBuffer2[shift]=0;
	  
	  }
	  if (trend==2) 
	  {
	  
	  UpBuffer1[shift]=1;
	  UpBuffer2[shift]=0;
	  DnBuffer1[shift]=0;
	  DnBuffer2[shift]=0;
	  
	  }
	  if (trend==3) 
	  {
	   
	  UpBuffer1[shift]=0;
	  UpBuffer2[shift]=0;
	  DnBuffer1[shift]=0;
	  DnBuffer2[shift]=1;
	  }
	  
	  if (trend==4) 
	  {
	  
	  UpBuffer1[shift]=0;
	  UpBuffer2[shift]=0;
	  DnBuffer1[shift]=1;
	  DnBuffer2[shift]=0; 
	  
	  }
	}
	return(0);	
 }