function DoHScrolling(sScrollAction, scrollingObjId)
{
	var obj = document.getElementById(scrollingObjId);
	
	sScrollAction = sScrollAction || 'scrollbarPageRight';
	
	var offset = 0;
	
	switch (sScrollAction)
	{
		case 'scrollbarPageLeft' : offset = -obj.clientWidth / 3; break;
		case 'scrollbarPageRight': offset = obj.clientWidth / 3;  break;
		//case 'scrollbarPageLeft' : offset = -106; break;
		//case 'scrollbarPageRight': offset = 106;  break;
	}
	obj.scrollLeft += offset;
}

function DoVScrolling(sScrollAction, scrollingObjId)
{
	var obj = document.getElementById(scrollingObjId);
	
	sScrollAction = sScrollAction || 'scrollbarPageDown';
	
	var offset = 0;
	switch (sScrollAction)
	{
		case 'scrollbarPageUp'  : offset = -obj.clientHeight; break;
		case 'scrollbarPageDown': offset = obj.clientHeight;  break;
		//case 'scrollbarPageUp'  : offset = -25; break;
		//case 'scrollbarPageDown': offset = 25;  break;
	}
	obj.scrollTop += offset;
}