Outsourcing Indicator from script

//Vitali Aprine HHSLLS Indicator TASC 02/2016

var HHS(int Length)
	{
		vars Highs = series(priceH());
		var HHH = ifelse(Highs[0] > Highs[1], 
                  (Highs[0] - MinVal(Highs,Length)) / (MaxVal(Highs,Length) - MinVal(Highs,Length)),0);
		return EMA(HHH,Length)*100;
	}
	
var LLS(int Length)
	{
		vars Lows = series(priceL());
		var LLL = ifelse(Lows[0] < Lows[1], 
                  (MaxVal(Lows,Length)-Lows[0]) / (MaxVal(Lows,Length) - MinVal(Lows,Length)),0);
		return EMA(LLL,Length)*100;
	}


function run()
{
             ***some code here***

                  plot("HHS",HHS(20),LINE,BLUE);
		  plot("LLS",LLS(20),LINE,RED);
}