Code Help

I need a little help. This code is supposed to plot arrows on top of or below the price bars when the RSI values are met. I'm having trouble with a parenthesis issue. Can someone fix this bug for me and make sure it works? I have no clue right now. I'm still in Chapter 1 MQL...

//+------------------------------------------------------------------+
//|                               RSIValuePlotl.mq4                  |
//|                               Copyright © 2006, ???)             |
//|                               http://www.-----------.com         |
//+------------------------------------------------------------------+
 
/*
  +------------------------------------------------------------------+
  | Arrows indicate where RSI input values are                       |
  +------------------------------------------------------------------+
*/   
#property copyright "Copyright © 2006, ???"
#property link      "http://www.-----------.com"
 
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Lime
#property indicator_color2 Red
 
double rsiup[];
double rsidown[];
extern int rsihi = 74.99; //rsi >= 75
extern int rsilo = 25.01; //rsi <= 25 
 
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   SetIndexStyle(0, DRAW_ARROW, EMPTY);
   SetIndexArrow(0, 233);
   SetIndexBuffer(0, rsiup);
   SetIndexStyle(1, DRAW_ARROW, EMPTY);
   SetIndexArrow(1, 234);
   SetIndexBuffer(1, rsidown);
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- 
 
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start() 
{
   int limit, i, counter;
   double Range, AvgRange;
   
   int counted_bars = IndicatorCounted(); 
//---- check for possible errors
   if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
   if(counted_bars>0) counted_bars--;
 
   limit=Bars-counted_bars;
   for(i = 0; i <= limit; i++) 
   {
   
   counter = i;
   Range=0;
   AvgRange=0;
   for(counter=i ;counter <+i+9;counter++)
   {
   AvgRange=AvgRange+MathAbs(High[counter] - Low[counter]);
   }
   Range=AvgRange/10;
   
   if (iRSI(NULL,0,14,PRICE_CLOSE,0) < rsilo
   {
   rsiup[i]=Low[i] - Range * 0.6;
   
   }
   else if (iRSI(NULL,0,14,PRICE_CLOSE,0) > rsihi
   {
  
   rsidown[i]=High[i] + Range * 0.6;
   }
   }
   
   return(0);
  }