var iScrollSpeed = 1;
var vih=0;
var iScrollLength = 30;
var iCurrentScrollLength = 0;

function PrepareScrollTimeLine(iDirection) {
	iCurrentScrollLength = 0;
	setTimeout('DoScrollTimeLine('+iDirection+')', 10);
}

function DoScrollTimeLine(iDirection) {
	iScrollAmount = (iDirection?1:-1)*iScrollSpeed;
	iCurrentScrollLength += iScrollSpeed;
	if(document.getElementById("GalleryScroller").scrollHeight<=document.getElementById("GalleryScroller").scrollTop) return;
	document.getElementById("GalleryScroller").scrollTop+=iScrollAmount;
	if(vih==1) {
		return;
	}
	setTimeout('DoScrollTimeLine('+iDirection+')', 10);
}