/*[[
	Name := PriceChannel
	Author := Renato Fiche Junior.
	Link := http://www.equipeforex.com
	Separate Window := No
	First Color := Red
	First Draw Type := Line
	Use Second Data := Yes
	Second Color := Red
	Second Draw Type := Line
]]*/
Inputs: ChannelPeriod (60);
Vars: i (0), j (0);

SetLoopCount(0);

i = (Bars - ChannelPeriod - 1);

While (i >= 0) {
	j = (i - 1 + ChannelPeriod); 
	SetIndexValue(i, High[Highest(MODE_HIGH, j, ChannelPeriod)]);
	SetIndexValue2(i, Low[Lowest(MODE_LOW, j, ChannelPeriod)]);
	i--;
};