Var1:=(CLOSE*2+HIGH+LOW)/4;SK:=EMA(Var1,13)-EMA(Var1,34);SD:=EMA(SK,34);DF:=(SK-SD);KF:=(-1)*(SK-SD);FILLRGN(DF>KF,DF,KF),coloryellow;FILLRGN(DF<KF,DF,KF),Color808080;