// JavaScript Document

/***********************************************
* CMotion Image Gallery- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* Visit http://www.dynamicDrive.com for source code
* This copyright notice must stay intact for legal use
* Modified for autowidth and optional starting positions in
* http://www.dynamicdrive.com/forums/showthread.php?t=11839 by jschuer1 8/5/06
***********************************************/

 //1) Set width of the "neutral" area in the center of the gallery.
var restarea=6;
 //2) Set top scroll speed in pixels. Script auto creates a range from 0 to top speed.
var maxspeed=7;
 //3) Set to maximum width for gallery - must be less than the actual length of the image train.
var maxwidth=1000;
 //4) Set to 1 for left start, 0 for right, 2 for center.
var startpos=0;

////NO NEED TO EDIT BELOW THIS LINE////////////

var iedom=document.all||document.getElementById, scrollspeed=0, movestate='', actualwidth='', cross_scroll, ns_scroll, statusdiv, loadedyes=0, lefttime, righttime;

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(){
	scrollspeed=1;
	lefttime=setTimeout("moveleft()",10);

	if (loadedyes){
		movestate="left";
		if (iedom&&parseInt(cross_scroll.style.left)>(menuwidth-actualwidth)){
			cross_scroll.style.left=parseInt(cross_scroll.style.left)-scrollspeed+"px";
		}
		else {
			clearTimeout(lefttime);
			moveright();
		}
	}
}

function moveright(){
	righttime=setTimeout("moveright()",10);
	scrollspeed=1;
	if (loadedyes){
		movestate="right";
		if (iedom&&parseInt(cross_scroll.style.left)<0){
			cross_scroll.style.left=parseInt(cross_scroll.style.left)+scrollspeed+"px";
		}
		else {
			clearTimeout(righttime);
			moveleft();
		}
	}
}

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

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

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

function fillup(){
	if (iedom){
		crossmain=document.getElementById? document.getElementById("motioncontainer") : document.all.motioncontainer;
	if(typeof crossmain.style.maxWidth!=='undefined')
		crossmain.style.maxWidth=maxwidth+'px';
	menuwidth=crossmain.offsetWidth;
	cross_scroll=document.getElementById? document.getElementById("motiongallery") : document.all.motiongallery;
	actualwidth=document.getElementById? document.getElementById("trueContainer").offsetWidth : document.all['trueContainer'].offsetWidth;
	if (startpos)
		cross_scroll.style.left=(menuwidth-actualwidth)/startpos+'px';
	crossmain.onmousemove=function(e){
		stopmotion(e);
//		motionengine(e);
	}

	crossmain.onmouseout=function(e){
		stopmotion(e);
		if (movestate=="right") {
			moveright();
		} else {
			moveleft();
		}
	}
	moveleft();
}
loadedyes=1
if (document.body.filters)
	onresize()
}
window.onload=fillup;

onresize=function(){
	if (typeof motioncontainer!=='undefined'&&motioncontainer.filters){
		motioncontainer.style.width="0";
		motioncontainer.style.width="";
		motioncontainer.style.width=Math.min(motioncontainer.offsetWidth, maxwidth)+'px';
	}
	menuwidth=crossmain.offsetWidth;
	cross_scroll.style.left=startpos? (menuwidth-actualwidth)/startpos+'px' : 0;
}