// set up scroller objects
function initScrollers() {
	// primary content variables
	tempID = firstArray;
	thumbHeight[tempID] = 213;
	startThumb[tempID] = 117;
	thumbIncrement[tempID] = 3;
	thumbTrip[tempID] = 0;
	startScroll[tempID] = 112;
	bottomClip[tempID] = 350;
	scrollSpeed[tempID] = 60;
	direction[tempID] = 2;
	animationSpeed[tempID] = 1
	endThumb[tempID] = 330;
	thumbChange[tempID] = endThumb[tempID] - startThumb[tempID];
	thumbLoops[tempID] = thumbChange[tempID]/ thumbIncrement[tempID];
	thumbSpot[tempID] = startThumb[tempID];
	thumbStep[tempID] = thumbIncrement[tempID];
	scrollLoops[tempID] = thumbLoops[tempID];
	scrollStep[tempID] = scrollIncrement[tempID];
	scrollSpot[tempID] = startScroll[tempID];
	if (NN4) {
		document.captureEvents(Event.MOUSEMOVE | Event.MOUSEUP);
		buttonNames[1] = document.scrollUp0DIV.document.scrollUp0BUT;
		buttonNames[2] = document.scrollDown0DIV.document.scrollDown0BUT;
		buttonNames[3] = document.thumb0DIV.document.thumb0BUT;
			contentObject[0] = document.content0DIV;
			contentObjectAlt[0] = contentObject[0];
			thumbObject[0] = document.thumb0DIV;
			scrollUpObject[0] = document.scrollUp0DIV;
			scrollDownObject[0] = document.scrollDown0DIV;
			scrollBarObject[0] = document.scrollBack0DIV;
	} else if (IE4) {
		buttonNames[1] = document.all.scrollUp0BUT;
		buttonNames[2] = document.all.scrollDown0BUT;
		buttonNames[3] = document.all.thumb0BUT;
			contentObject[0] = document.all.content0DIV.style;
			contentObjectAlt[0] = document.all['content0DIV'];
			thumbObject[0] = document.all.thumb0DIV.style;
			scrollUpObject[0] = document.all.scrollUp0DIV.style;
			scrollDownObject[0] = document.all.scrollDown0DIV.style;
			scrollBarObject[0] = document.all.scrollBack0DIV.style;
	}
	document.onmousemove = dragThumb;
	document.onmouseup = directMouseUp;
		contentObject[0].active = false;
		thumbObject[0].active = false;
		measureBody(0);
		if ((bottomClip[0] - bodyHeight[0]) < startScroll[0]) {
			scrollable[0] = true;
		} else {
			scrollable[0] = false;
		}
	if (scrollable[0]) {
		thumbObject[0].visibility = (NN4)? "show" : "visible";
		scrollUpObject[0].visibility = (NN4)? "show" : "visible";
		scrollDownObject[0].visibility = (NN4)? "show" : "visible";
		scrollBarObject[0].visibility = (NN4)? "show" : "visible";
	}
	linkMessages[4] = "go to the Logbook";
}