//Modified from http://www.calypsotalent.com/
var curY = 0;
var minAmount = 0;

function moveLayer()
{
	if (overDown == "true")
    {
		if (direction == -.5) 
		{
			if (curY >= maxAmount-125){
				curY += direction;
				document.getElementById(curLayer).style.top = curY + "px";
			} else {
				curY = 0;	
			}
		} else if (((curY <= minAmount) && (direction <= -2)) || ((curY >= maxAmount) && (direction >= 2)))
        {
            curY += direction;
            if (curY > minAmount) { curY = minAmount; }
            if (curY < maxAmount) { curY = maxAmount; }
            document.getElementById(curLayer).style.top = curY + "px";
        }
		setTimeout("moveLayer()",30);
	}
}

function autoMoveLayer()
{
	overDown='true';
	direction=-.5;
	curLayer='scrollText';
	moveLayer();
	return false;
}

function pageLoad() {
autoMoveLayer();
}

function addEvent( obj, type, fn ) {
	if (obj.addEventListener) {
		obj.addEventListener( type, fn, false );
		EventCache.add(obj, type, fn);
	}
	else if (obj.attachEvent) {
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
		EventCache.add(obj, type, fn);
	}
	else {
		obj["on"+type] = obj["e"+type+fn];
	}
}
var EventCache = function(){
	var listEvents = [];
	return {
		listEvents : listEvents,
		add : function(node, sEventName, fHandler){
			listEvents.push(arguments);
		},
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				};
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				};
				item[0][item[1]] = null;
			};
		}
	};
}();
function $() {
var elements = new Array();
for (var i = 0; i < arguments.length; i++) {
var element = arguments[i];
if (typeof element == 'string')
element = document.getElementById(element);
if (arguments.length == 1)
return element;
elements.push(element);
}
return elements;
}
addEvent(window,'load',pageLoad);