#property indicator_chart_window 
#property indicator_buffers  1 
#property indicator_color1 Red 
double ExtMapBuffer1[]; 
int init() 
  { 
   SetIndexStyle(0,DRAW_LINE); 
   SetIndexBuffer(0,ExtMapBuffer1); 
   return(0); 
  } 
int start() 
  { 
   int cnt; 
   for (cnt=0 ; cnt<=iBars(NULL,0); cnt++) { 
      ExtMapBuffer1[cnt] = iClose( "GBPUSD", 0, cnt)*iClose( "EURGBP", 0, cnt); 
     }//for 
  ExtMapBuffer1[0] = MarketInfo( "GBPUSD", MODE_BID)*MarketInfo( "EURGBP", MODE_BID); 
  return(0); 
  } 

