if(otype == OP_BUY)
             
        if(OrderOpenPrice()>= Bid - TrailingStop  || OrderStopLoss () == 0 )
             {
               if(OrderStopLoss() == (OrderOpenPrice() + NormalizeDouble(Bid - TrailingStop*Point,Digits )))
                  if(Bid - OrderStopLoss() < Bid - OrderStopLoss() + TrailingStep*Point)
                     {
                      
                    if(OrderSymbol() == Symbol() && OrderMagicNumber() == Magic && OrderType() == otype)
                      if(OrderModify(OrderTicket(), OrderOpenPrice(),  OrderStopLoss(), 0, 0, Yellow))
                               Print(" OrderModify Ok!");
                          else
                               Print(" OrderModify Error!");
           
                     }
                  
             }
           
     if(otype == OP_SELL)
     
       if(OrderOpenPrice()<= Ask + TrailingStop  || OrderStopLoss () == 0 )
             {
               if(OrderStopLoss() == (OrderOpenPrice() - NormalizeDouble(Ask + TrailingStop*Point,Digits )))
                  if(Ask + OrderStopLoss() < Ask + OrderStopLoss() - TrailingStep*Point)
                     {
                       
                    if(OrderSymbol() == Symbol() && OrderMagicNumber() == Magic && OrderType() == otype)
                      if(OrderModify(OrderTicket(), OrderOpenPrice(),  OrderStopLoss(), 0, 0, Yellow))
                               Print(" OrderModify Ok!");
                          else
                               Print(" OrderModify Error!");
           
                     }
                  
             }
    RefreshRates(); 
}