true==function()
{

var CalculateRSI =function(period){

  var len=20;

  for (var i = 0; i < len ; i++) {
     var rec=[ih][len-1-i];

     var change=rec.PClosing-rec.PriceYesterday;         

     if (change> 0) {
    rec.gain=change;
            rec.loss=0;
     }
     else
     {
    rec.gain=0;
            rec.loss=-change;
     }
  }

  // Calculate first "average gain" and "average loss"
  var gainSum=0;
  var lossSum=0;

  for (var i = 0; i < period; i++) {
     var rec=[ih][len-1-i];
 gainSum += rec.gain;
 lossSum += rec.loss;
  }

  var averageGain=gainSum /period;
  var averageLoss=lossSum / period;

  // Calculate subsequent "average gain" and "average loss" values
  for (var i = period + 1; i < len; i++) {
     var rec=[ih][len-1-i];

     averageGain=(averageGain* (period - 1) + rec.gain) / period;
     averageLoss=(averageLoss* (period - 1) + rec. loss)/  period;

     rec.averageGain=averageGain;
     rec.averageLoss=averageLoss;
  }

  // Calculate RSI
  var RS = 0; // Relative strength
  var RSIndex = 0; // Relative strength index

  for (var i = period + 1; i < len; i++) {
     var rec=[ih][len-1-i];

     RS = rec.averageGain/ rec.averageLoss;
 RSIndex = 100 - 100 / (1 + RS);
 rec.rsi=RSIndex;
  }

};

  if(typeof [ih][0].rsi=="undefined")  
    CalculateRSI(14);

     (cfield0)= [ih][0].rsi;  

     return true;       

}()
&& (ct).Buy_I_Volume/(ct).Buy_CountI>1.3*(ct).Sell_I_Volume/(ct).Sell_CountI