Fibonacci Fans

Hi pete is it possible to change this Fib Fans script to always start at LOW and end at HIGH  on this Fibonacci Fans?

input price = close;
input high = high;
input low = low;
input onExpansion = Yes;
input Coefficient1 = .382;
input Coefficient_2 = .5;
input Coefficient_3 = .618;

def a = HighestAll(high);
def b = LowestAll(low);
def barnumber = barNumber();
def c = if high == a then barnumber else double.nan;
def d = if low == b then barnumber else double.nan;
rec highnumber = compoundValue(1, if IsNaN(c) then highnumber[1] else c, c);
def highnumberall = HighestAll(highnumber);
rec lownumber = compoundValue(1, if IsNaN(d) then lownumber[1] else d, d);
def lownumberall = LowestAll(lownumber);

def upward = highnumberall > lownumberall;
def downward = highnumberall < lownumberall;

def low382 = b + ((b – a) * Coefficient1);
def low5 = b + ((b – a) * Coefficient_2);
def low618 = b + ((b – a) * Coefficient_3);

def high382 = a – ((a – b) * Coefficient1);
def high5 = a – ((a – b) * Coefficient_2);
def high618 = a – ((a – b) * Coefficient_3);

def x = AbsValue(lownumberall – highnumberall );

def slope = (a – b) / x;
def slope382 = (high382 – b) / x;
def slope5 = (high5 – b) / x;
def slope618 = (high618 – b) / x;

def slopelow = (b – a) / x;
def slopelow382 = (low382 – b) / x;
def slopelow5 = (low5 – b) / x;
def slopelow618 = (low618 – b) / x;

def day = getDay();
def month = getMonth();
def year = getYear();
def lastDay = getLastDay();
def lastmonth = getLastMonth();
def lastyear = getLastYear();
def isToday = if(day == lastDay and month == lastmonth and year == lastyear, 1, 0);
def istodaybarnumber = HighestAll(if isToday then barnumber else double.nan);

def line = b + (slope * (barnumber – lownumber));
def line382 = b + (slope382 * (barnumber – lownumber));
def line5 = b + (slope5 * (barnumber – lownumber));
def line618 = b + (slope618 * (barnumber – lownumber));

def linelow = a + (slopelow * (barnumber – highnumber));
def line382low = a + (slopelow382 * (barnumber – highnumber));
def line5low = a + (slopelow5 * (barnumber – highnumber));
def line618low = a + (slopelow618 * (barnumber – highnumber));

def currentlinelow = if barnumber <= istodaybarnumber then linelow else double.nan;
def currentline382low = if barnumber <= istodaybarnumber then line382low else double.nan;
def currentline5low = if barnumber <= istodaybarnumber then line5low else double.nan;
def currentline618low = if barnumber <= istodaybarnumber then line618low else double.nan;

def currentline = if barnumber <= istodaybarnumber then line else double.nan;
def currentline382 = if barnumber <= istodaybarnumber then line382 else double.nan;
def currentline5 = if barnumber <= istodaybarnumber then line5 else double.nan;
def currentline618 = if barnumber <= istodaybarnumber then line618 else double.nan;

Plot FibFan = if downward and onExpansion then linelow else if downward then currentlinelow else if upward and onExpansion then line else if upward then currentline else double.nan;
FibFan.SetStyle(Curve.SHORT_DASH);
FibFan.AssignValueColor(color.red);

Plot “Coefficient 1” = if (downward and onExpansion) then line382low else if downward then currentline382low else if upward and onExpansion then line382 else if upward then currentline382 else double.nan;
“Coefficient 1”.SetStyle(Curve.Firm);
“Coefficient 1”.AssignValueColor(color.red);
Plot “Coefficient 2” = if downward and onExpansion then line5low else if downward then currentline5low else if upward and onExpansion then line5 else if upward then currentline5 else double.nan;
“Coefficient 2”.AssignValueColor(color.red);
“Coefficient 2”.SetStyle(Curve.Firm);
Plot “Coefficient 3” = if downward and onExpansion then line618low else if downward then currentline618low else if upward and onExpansion then line618 else if upward then currentline618 else double.nan;
“Coefficient 3”.AssignValueColor(color.red);
“Coefficient 3”.SetStyle(Curve.Firm);

alert((price crosses below “Coefficient 1”) , “Price crosses below Coefficient 1”);
alert((price crosses below “Coefficient 2”) , “Price crosses below Coefficient 2”);
alert((price crosses below “Coefficient 3”) , “Price crosses below Coefficient 3”);
alert((price crosses above “Coefficient 1”) , “Price crosses above Coefficient 1”);
alert((price crosses above “Coefficient 2”) , “Price crosses above Coefficient 2”);
alert((price crosses above “Coefficient 3”) , “Price crosses above Coefficient 3”);