// JavaScript Document

var scrolling = 0;
var heightOffset = 0;

function scrollDown() {
	heightOffset = document.getElementById("archive_list").offsetHeight - document.getElementById("list_container").offsetHeight;
	//if (scrolling == 1) {
		//document.getElementById("archive_list").style.top = (document.getElementById("archive_list").style.top - 1) + "px";
	//}
	var first = document.getElementById("archive_list").offsetTop;
	//alert(first);
	var second = first - 1;
	//alert(second);
	if (second > (0 - heightOffset)) {
		document.getElementById("archive_list").style.top = second + "px";
	}
}

function scrollUp() {
	//alert(document.getElementById("archive_list").offsetHeight);
	//alert(document.getElementById("list_container").offsetHeight);
	//alert(heightOffset);
	//if (scrolling == 1) {
		//document.getElementById("archive_list").style.top = (document.getElementById("archive_list").style.top - 1) + "px";
	//}
	var first = document.getElementById("archive_list").offsetTop;
	//alert(first);
	var second = first + 1;
	//alert(second);
	if (second < 0) {
		document.getElementById("archive_list").style.top = second + "px";
	}
	//alert(document.getElementById("archive_list").style.top);
}

function startScrollDown() {
	//scrolling = 1;
	scrolling = setInterval('scrollDown()',10);
}

function stopScrollDown() {
	//scrolling = 0;
	clearInterval(scrolling);
}

function startScrollUp() {
	//scrolling = 1;
	scrolling = setInterval('scrollUp()',10);
}

function stopScrollUp() {
	//scrolling = 0;
	clearInterval(scrolling);
}
//setInterval('scrollDown()',50);