ScrollItems = 3;
TotalHeight = 0;
MaxHeight = 0;
ScrollOffset = 10;
ScrollSpeed = 1;
ScrollDelay = 50;
ScrollerStarted = false;
			
if (!document.getElementById) document.getElementById = document.all;
	
function InitScroller () {
	for (var i = 0; i < ScrollItems; i++) {
		elm = document.getElementById ("ScrollItem" + i);
		elm.style.top = (TotalHeight + ScrollOffset) + "px";
		TotalHeight += elm.offsetHeight;
	}
				
	if (TotalHeight - MaxHeight <150) TotalHeight += 150;
	StartScroller ();
}
			
function ScrollUp () {
	if (TotalHeight > 150) {
		for (var i = 0; i < ScrollItems; i++) {
			elm = document.getElementById ("ScrollItem" + i);
			y = parseInt (elm.style.top) - ScrollSpeed;
			if (y < (ScrollOffset - elm.offsetHeight)) y += TotalHeight;
			elm.style.top = y + "px";
		}
	}
}
			
function StopScroller () {
	if (ScrollerStarted) {
		clearInterval (ScrollTimer);
		ScrollerStarted = false;
	}
}
		
function StartScroller () {
	if (!ScrollerStarted && ScrollItems > 0) {
		ScrollTimer = window.setInterval ("ScrollUp ()", ScrollDelay);
		ScrollerStarted = true;
	}
}