//kudos and props to dynamicdrive.com which this script has been adapted from

var restarea=200;
var maxspeed=3;
var iedom=document.all||document.getElementById;
var scrollspeed=0;
var movestate="";

if (iedom)
	document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-10000;"></span>')

var actualwidth='';
var cross_scroll, ns_scroll;
var loadedyes=0;

function ietruebody() {
	return (document.compatMode && document.compatMode!="BackCompat") ? document.documentElement : document.body
}

function getposOffset(what, offsettype) {
	var totaloffset=(offsettype=="left") ? what.offsetLeft : what.offsetTop;
	var parentEl=what.offsetParent;
	while (parentEl!=null) {
		totaloffset=(offsettype=="left") ? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
		parentEl=parentEl.offsetParent;
	}
	return totaloffset;
}

function moveleft() {
	if (loadedyes) {
		movestate="left"
	if (iedom&&parseInt(cross_scroll.style.left)>(menuwidth-actualwidth))
		cross_scroll.style.left=parseInt(cross_scroll.style.left)-scrollspeed+"px"
	}
	lefttime=setTimeout("moveleft()",10)
}

function moveright() {
	if (loadedyes) {
		movestate="right"
	if (iedom&&parseInt(cross_scroll.style.left)<0)
		cross_scroll.style.left=parseInt(cross_scroll.style.left)+scrollspeed+"px"
	}
	righttime=setTimeout("moveright()",10)
}

function motionengine(e) {
	var dsocx=(window.pageXOffset) ? pageXOffset : ietruebody().scrollLeft;
	var dsocy=(window.pageYOffset) ? pageYOffset : ietruebody().scrollTop;
	var curposy=window.event ? event.clientX : e.clientX ? e.clientX : ""
	curposy-=mainobjoffset-dsocx
	var leftbound=(menuwidth-restarea)/2
	var rightbound=(menuwidth+restarea)/2
	if (curposy>rightbound) {
		scrollspeed=(curposy-rightbound)/((menuwidth-restarea)/2) * maxspeed
		if (window.righttime) clearTimeout(righttime)
		if (movestate!="left") moveleft()
		}
		else if (curposy<leftbound) {
		scrollspeed=(leftbound-curposy)/((menuwidth-restarea)/2) * maxspeed
		if (window.lefttime) clearTimeout(lefttime)
		if (movestate!="right") moveright()
	}
	else
		scrollspeed=0
}

function contains_ns6(a, b) {
	while (b.parentNode)
	if ((b = b.parentNode) == a)
	return true;
	return false;
}

function stopmotion(e) {
	if ((window.event && !crossmain.contains(event.toElement)) || (e && e.currentTarget && e.currentTarget!= e.relatedTarget && !contains_ns6(e.currentTarget, e.relatedTarget))) {
		if (window.lefttime) clearTimeout(lefttime)
		if (window.righttime) clearTimeout(righttime)
		movestate=""
	}
}

function fillup() {
	if (iedom) {
		crossmain=document.getElementById ? document.getElementById("motioncontainer") : document.all.motioncontainer
		menuwidth=parseInt(crossmain.style.width)
		mainobjoffset=getposOffset(crossmain, "left")
		cross_scroll=document.getElementById ? document.getElementById("motiongallery") : document.all.motiongallery
		document.getElementById("temp").innerHTML=cross_scroll.innerHTML
		actualwidth=document.all ? cross_scroll.offsetWidth : document.getElementById("temp").offsetWidth
		if (!window.opera) document.getElementById("temp").style.display="none"
		
		crossmain.onmousemove=function(e) {
			motionengine(e)
		}
		
		crossmain.onmouseout=function(e) {
			stopmotion(e)
		}
	}
	loadedyes=1
}

window.onload=fillup