function ScrollTop()
{
	var element = document.getElementById("librarybrowser");

	element.style.top = "0px";
}

function ScrollMove()
{
	var element = document.getElementById("librarybrowser");
	var mouseY = window.event.offsetY + parseInt(element.style.top);
	var viewHeight = parseInt(element.parentNode.style.height);
	var imgHeight = -element.height+viewHeight;
	
	element.style.top = mouseY/(viewHeight-1)*imgHeight + "px";
}

function ScrollBottom()
{
	var element = document.getElementById("librarybrowser");
	var viewHeight = parseInt(element.parentNode.style.height);
	var imgHeight = -element.height+viewHeight;

	element.style.top = imgHeight+"px";
}