MA Cross w

// This is Not Tested , Use At Your Own Risk !

//+--------------------------------------------------------------------------+
//| 3 MA Cross w_alert v2.mq4                                 |
//| Copyright 2005, Jason Robinson (jnrtrading)                    |
//| http://www.jnrtading.co.uk                               |
//| 3 ma conversion and alert , David Honeywell , transport.david@gmail.com |
//| http://finance.groups.yahoo.com/group/metaTrader_Experts_and_Indicators/ |
//+--------------------------------------------------------------------------+

   

#property copyright Copyright 2005, Jason Robinson (jnrtrading)
#property link      http://www.jnrtrading.co.uk

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Aqua
#property indicator_color2 Coral

double CrossUp[];
double CrossDown[];
double prevtime;
double Range, AvgRange;
double fasterMAnow, fasterMAprevious, fasterMAafter;
double mediumMAnow, mediumMAprevious, mediumMAafter;
double slowerMAnow, slowerMAprevious, slowerMAafter;

extern int FasterMA    =    5;
extern int FasterShift =   -5;
extern int FasterMode =    1; // 0 = sma, 1 = ema, 2 = smma, 3 = lwma

extern int MediumMA    =   20;
extern int MediumShift =   -5;
extern int MediumMode =    1; // 0 = sma, 1 = ema, 2 = smma, 3 = lwma

extern int SlowerMA    =   34;
extern int SlowerShift =    0;
extern int SlowerMode =    1; // 0 = sma, 1 = ema, 2 = smma, 3 = lwma

extern int Soundalert =    1; // 0 = disabled

//+------------------------------------------------------------------+
//| Custom indicator initialization function                  |
//+------------------------------------------------------------------+
int init()
 {
//---- indicators
   SetIndexStyle(0, DRAW_ARROW, EMPTY);
   SetIndexArrow(0, 233);
   SetIndexBuffer(0, CrossUp);
   SetIndexStyle(1, DRAW_ARROW, EMPTY);
   SetIndexArrow(1, 234);
   SetIndexBuffer(1, CrossDown);
//----
   return(0);
 }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function               |
//+------------------------------------------------------------------+
int deinit()
 {
//----

//----
   return(0);
 }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                     |
//+------------------------------------------------------------------+
int start()
{
   
   int limit, i, counter;
   
   int counted_bars=IndicatorCounted();
   //---- check for possible errors
   if(counted_bars 0) return(-1);
   //---- last counted bar will be recounted
   if(counted_bars 0) counted_bars--;
   
   limit=Bars-counted_bars;
   
   for(i = 0; i = limit; i++)
    {
     
     counter=i;
     Range=0;
     AvgRange=0;
     for (counter=i ;counter =i+9;counter++)
      {
       AvgRange=AvgRange+MathAbs(High[counter]-Low[counter]);
      }
     Range=AvgRange/10;
     
     fasterMAnow     = iMA(NULL, 0, FasterMA, FasterShift, FasterMode, PRICE_CLOSE, i+1);
     fasterMAprevious = iMA(NULL, 0, FasterMA, FasterShift, FasterMode, PRICE_CLOSE, i+2);
     fasterMAafter    = iMA(NULL, 0, FasterMA, FasterShift, FasterMode, PRICE_CLOSE, i-1);
     
     mediumMAnow     = iMA(NULL, 0, MediumMA, MediumShift, MediumMode, PRICE_CLOSE, i+1);
     mediumMAprevious = iMA(NULL, 0, MediumMA, MediumShift, MediumMode, PRICE_CLOSE, i+2);
     mediumMAafter    = iMA(NULL, 0, MediumMA, MediumShift, MediumMode, PRICE_CLOSE, i-1);
     
     slowerMAnow     = iMA(NULL, 0, SlowerMA, SlowerShift, SlowerMode, PRICE_CLOSE, i+1);
     slowerMAprevious = iMA(NULL, 0, SlowerMA, SlowerShift, SlowerMode, PRICE_CLOSE, i+2);
     slowerMAafter    = iMA(NULL, 0, SlowerMA, SlowerShift, SlowerMode, PRICE_CLOSE, i-1);
     
     if ((fasterMAnow    slowerMAnow     
        fasterMAprevious = slowerMAprevious 
        fasterMAafter    slowerMAafter   
        mediumMAnow      slowerMAnow   )
        ||
        (fasterMAnow    slowerMAnow     
        mediumMAnow      slowerMAnow     
        mediumMAprevious = slowerMAprevious 
        mediumMAafter    slowerMAafter   ))
      {
       CrossUp[i] = Low[i] - Range*0.5;
      }
     
     if ((fasterMAnow    slowerMAnow     
        fasterMAprevious = slowerMAprevious 
        fasterMAafter    slowerMAafter   
        mediumMAnow      slowerMAnow   )
        ||
        (fasterMAnow    slowerMAnow     
        mediumMAnow      slowerMAnow     
        mediumMAprevious = slowerMAprevious 
        mediumMAafter    slowerMAafter   ))
      {
       CrossDown[i] = High[i] + Range*0.5;
      }
     
    }
   
     if ((CrossUp[0] 2000) (CrossDown[0] 2000)) { prevtime = 0; }
     
     if ((CrossUp[0] == Low[0] - Range*0.5) (prevtime != Time[0]) (Soundalert != 0))
      {
       prevtime = Time[0];
       alert(Symbol(), 3 MA Cross Up @ Hour ,Hour(),  Minute ,Minute());
      }
     
     if ((CrossDown[0] == High[0] + Range*0.5) (prevtime != Time[0]) (Soundalert != 0))
      {
       prevtime = Time[0];
       alert(Symbol(), 3 MA Cross Down @ Hour ,Hour(),  Minute ,Minute());
      }
   
   //Comment(  CrossUp[0]  ,CrossUp[0], , CrossDown[0]  ,CrossDown[0], , prevtime  ,prevtime);
   //Comment(
   
   return(0);
}
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