<!-- Hide this from JavaScript non-enabled browsers

// Variables; setting initial values:
var FirstPage = 0;
var LastPage = 37;
var PageArray = new Array("01SunriseFromTrain.html","02PondSuccession.html","03RailsideBurn.html",
	"04Shack.html","05Diversity.html","06Powerline.html","07SWChurchill.html",
	"08VanishingPoint.html","09Pond.html","10HudsonBay01.html","11HudsonBay02.html",
	"12HudsonBay03.html","13Krummholz01.html","14Krummholz02.html","15ForestEdge.html",
	"16SpruceSpires.html","17TwinLakesRoad01.html","18TwinLakesRoad02.html","19DrunkenTree.html",
	"20Ecotone01.html","21Ecotone02.html","22ChristmasLakeEsker01.html","23ChristmasLakeEsker02.html",
	"24ChristmasLake01.html","25ChristmasLake02.html","26ChristmasLakeEsker03.html",
	"27ChristmasLakeEsker04.html","28ChristmasLakeEsker05.html","29ChristmasLakeEsker06.html",
	"30Tundra01.html","31ChristmasLakeEsker07.html","32ChristmasLakeEsker08.html",
	"33CNSC.html","34Kiken01.html","35Kiken02.html","36NelsonRiver.html","37Sticks&Shadows.html",
	"38CanadianNational.html");

function GoToFirstPage() {
	// Opens first page
	parent.location=PageArray[FirstPage];
}

function GoToNextPage() {
	CurrentFile=GetCurrentFile();
	// Determines index of CurrentFile
	CurrentPage = FirstPage;
	for (var i = FirstPage; i <= LastPage; i++) {
	if (PageArray[i] == CurrentFile) {
			CurrentPage = i
		}
		else {
			CurrentPage = CurrentPage
		}
	}
	// Checks if CurrentPage is Last Page
	NextPage = (CurrentPage == LastPage) ? LastPage : CurrentPage+1;
	// Opens next page
	parent.location=PageArray[NextPage];
}

function GoToPreviousPage() {
	CurrentFile=GetCurrentFile();
	// Determines index of CurrentFile
	CurrentPage = LastPage;
	for (var i = LastPage; i >= FirstPage; i--) {
	if (PageArray[i] == CurrentFile) {
			CurrentPage = i
		}
		else {
			CurrentPage = CurrentPage
		}
	}
	// Checks if CurrentPage is FirstPage
	PreviousPage = (CurrentPage == FirstPage) ? FirstPage : CurrentPage-1;
	// Opens previous page
	parent.location=PageArray[PreviousPage];
}

function GoToLastPage() {
	// Opens last page
	parent.location=PageArray[LastPage];
}

function GetCurrentFile() {
	// Determines number of current file
	FileString=location.href;
	StrLength=FileString.length;
	ExtString=FileString.lastIndexOf("/")+1;
	CurrentFile=FileString.substring(ExtString,StrLength);
	return CurrentFile;
}

// End of JavaScript

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