help please

[4ex]

thank you very much for your help roger!

[Alexander]

//+------------------------------------------------------------------+
//| delta MA bar driver.mq4 |
//| Leyoye trading corp. |
//| |
//+------------------------------------------------------------------+
//| Lionel HOUBA |
//| |
//+------------------------------------------------------------------+
#property copyright "Lionel HOUBA"
#property link ""

//----The goal of this EA is to catch a market returnment after a strong market reaction
//----analysing the delta between the MA and the bar 
//----You can set the trading hours, Take profit, Stop loss, delta MA bar, volatility level.

//---- input parameters 

extern double lotsize = 0.1;
extern double MAXORDERS = 1;
int ticket;
extern double take_profit = 0.003;
extern double stop_loss = 0.003;
extern double hour_start = 0;
extern double hour_end = 24;
extern double moving_period = 14;
int delta_MAbar ;
extern double delta_MAbarchoice = 0.004;
extern double ATR_value = 0.0004;
double MA; 
return;
//+------------------------------------------------------------------+
//| expert initialization function |
//+------------------------------------------------------------------+
int init()
{
//----

//----
return(0);
}
//+------------------------------------------------------------------+
//| expert deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----

//----
return(0);
}
//+------------------------------------------------------------------+
//| expert start function |
//+------------------------------------------------------------------+
int start()
{
int open=OrdersTotal();
for(int qw=0;qw<open;qw++)
{
OrderSelect(qw,SELECT_BY_POS,MODE_TRADES);
if(OrderSymbol()==Symbol())
return(0);
}


//----
double MA;
double delta_MAbar;

//----defining MA :

MA=iMA(NULL,0,moving_period,0,MODE_SMA,PRICE_OPEN,0);

//----defining delta MA/bar = mobile average - last open

delta_MAbar = MA-Open[0];


//---BUY conditions-------------------------------------------------------
// if the delta betwwen the MA and the last is more than the defined GAP (enter this value previously)

if (

(delta_MAbar>delta_MAbarchoice)

//---- limitation of the number of open positions (not more than one open position simultaneously) 
&&(OrdersTotal() < MAXORDERS)

//---- if volatility (ATR) is enough (enter this value - put 0.0001 to neutralise this function)

&& (iATR(NULL,0,12,0)>ATR_value) 

)

OrderSend (Symbol(),OP_BUY,lotsize,Ask,3,Open[0]-stop_loss,Open[0]+take_profit,"",0,0,Red);


//----SELL conditions------------------------------------------------------------------------+

if (

(delta_MAbar<-delta_MAbarchoice)

//---- limitation of the number of open positions 

&&(OrdersTotal() < MAXORDERS)

//---- volatility (ATR) is enough

&& (iATR(NULL,0,12,0)>ATR_value) 

)

OrderSend(Symbol(),OP_SELL,lotsize,Bid,3,Open[0]+stop_loss,Open[0]-take_profit,"",0,0,Green);


return(0);
}
//+------------------------------------------------------------------+