2MA Crossover

/*
  +------------------------------------------------------------------+
  | Allows you to enter two ema periods and it will then show you at |
  | Which point they crossed over. It is more usful on the shorter   |
  | periods that get obscured by the bars / candlesticks and when    |
  | the zoom level is out. Also allows you then to remove the emas   |
  | from the chart. (emas are initially set at 5 and 6)              |
  +------------------------------------------------------------------+
*/   

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 SkyBlue
#property indicator_width1 3
#property indicator_color2 Magenta
#property indicator_width2 3

extern string note1 = "First Moving Average";
extern int MA1 =   4;
extern string note2 = "0=sma, 1=ema, 2=smma, 3=lwma";
extern int MA1Mode = 1; //0=sma, 1=ema, 2=smma, 3=lwma
extern string note3 = "--------------------------------------------";
extern string note4 = "Second Moving Average";
extern int MA2 =   8;
extern string note5 = "0=sma, 1=ema, 2=smma, 3=lwma";
extern int MA2Mode = 1; //0=sma, 1=ema, 2=smma, 3=lwma
extern string note6 = "--------------------------------------------";
extern string note7 = "Arrow Type";
extern string note8 = "0=Thick, 1=Thin, 2=Hollow, 3=Round";
extern string note9 = "4=Fractal, 5=Diagonal Thin";
extern string note10 = "6=Diagonal Thick, 7=Diagonal Hollow";
extern string note11 = "8=Thumb, 9=Finger";
extern int ArrowType=3;
extern string note12 = "--------------------------------------------";
extern string note13 = "turn on Alert = true; turn off = false";
extern bool AlertOn = false;
extern string note14 = "--------------------------------------------";
extern string note15 = "send Email Alert = true; turn off = false";
extern bool SendAnEmail=false;

double CrossUp[];
double CrossDown[];
string AlertPrefix, MA1short_name, MA2short_name;
string GetTimeFrameStr() {
   switch(Period())
   {
      case 1 : string TimeFrameStr="M1"; break;
      case 5 : TimeFrameStr="M5"; break;
      case 15 : TimeFrameStr="M15"; break;
      case 30 : TimeFrameStr="M30"; break;
      case 60 : TimeFrameStr="H1"; break;
      case 240 : TimeFrameStr="H4"; break;
      case 1440 : TimeFrameStr="D1"; break;
      case 10080 : TimeFrameStr="W1"; break;
      case 43200 : TimeFrameStr="MN1"; break;
      default : TimeFrameStr=Period();
   } 
   return (TimeFrameStr);
   }

int init()
  {
      // код доступен только после оплаты
   }

   if (ArrowType == 0) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 233);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 234);
   }
   else if (ArrowType == 1) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 225);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 226);
   }
   else if (ArrowType == 2) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 241);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 242);
   }
   else if (ArrowType == 3) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 221);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 222);
   }
   else if (ArrowType == 4) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 217);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 218);
   }
   else if (ArrowType == 5) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 228);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 230);
   }
   else if (ArrowType == 6) {
    

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