HL_MA_v04

//+------------------------------------------------------------------+ 
//|                                                     High&Low.mq4 | 
//|                                  Copyright © 2007, Shadow Trader | 
//|                                   e-mail: ShadowTrader@fxmail.ru | 
//+------------------------------------------------------------------+ 
// Ýêñïåðò ïðåäíàçíà÷åí äëÿ ðàáîòû íà äíåâêàõ.
// Ïàðàìåòðû óñòàíîâëåíû äëÿ ïàðû EURUSD
extern int ma_period = 20;
extern double SL_percent_of_channel = 2.1;
double lots   = 0.1;
double sl;
double tp;


int init ()
{ 
   return(0);
} 

int deinit()
{
   return(0);
}

int day=1;

int start()
{
   if (AccountFreeMargin() < 120)
      return (0);

   double mah = iMA(Symbol(), 0, ma_period, 0, MODE_LWMA, PRICE_HIGH, 1);
   double mal = iMA(Symbol(), 0, ma_period, 0, MODE_LWMA, PRICE_LOW,  1);
      
   if (OrdersTotal() > 0)
   {
      if (Volume[0]>day)
         return (0);
      else
      {
         for (int i = 0; i < OrdersTotal(); i++)
         {
            if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES) == TRUE)
            {
               if (OrderType() == OP_BUY)
               {
                  if (OrderStopLoss() < mal)
                      OrderModify(OrderTicket(), Ask, mal, OrderTakeProfit(), 0, Gold);
               }

               if (OrderType() == OP_SELL)
               {
                  if (OrderStopLoss() > mah)
                      OrderModify(OrderTicket(), Bid, mah, OrderTakeProfit(), 0, Green);
               }
            }
         }
         return (0);
      }
   }

   // Ïîêóïêà
   if ( Close[1] > mah && Low [0] > mah )
   {
      sl = Ask-SL_percent_of_channel*(mah-mal);
      tp = Ask + (mah - mal);
      OrderSend(Symbol(), OP_BUY, lots, Ask, 3, sl, tp, "", 0, 0, Blue);
   }

   // Ïðîäàæà
   if ( Close[1] < mal && High[0] < mal )
   {
      sl = Bid+SL_percent_of_channel*(mah-mal);
      tp = Bid - (mah - mal);
      OrderSend(Symbol(), OP_SELL, lots, Bid, 3, sl, tp, "", 0, 0, Red);
   }

   return(0);
}