/***********************************************
* 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=900;
 //4) Set to 1 for left start, 0 for right, 2 for center.
var startpos=0;
 //5) Set message to show at end of gallery. Enter "" to disable message.
//var endofgallerymsg='<span style="font-size: 11px;">End of Gallery</span>';
var endofgallerymsg='';

function enlargeimage(path, optWidth, optHeight){ //function to enlarge image. Change as desired.
var actualWidth=typeof optWidth!="undefined" ? optWidth : "600px" //set 600px to default width
var actualHeight=typeof optHeight!="undefined" ? optHeight : "500px" //set 500px to  default height
var winattributes="width="+actualWidth+",height="+actualHeight+",resizable=yes"
window.open(path,"", winattributes)
}

////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 creatediv(){
statusdiv=document.createElement("div")
statusdiv.setAttribute("id","statusdiv")
document.body.appendChild(statusdiv)
statusdiv=document.getElementById("statusdiv")
statusdiv.innerHTML=endofgallerymsg
}

function positiondiv(){
var mainobjoffset=getposOffset(crossmain, "left"),
menuheight=parseInt(crossmain.offsetHeight),
mainobjoffsetH=getposOffset(crossmain, "top");
statusdiv.style.left=mainobjoffset+(menuwidth/2)-(statusdiv.offsetWidth/2)+"px";
statusdiv.style.top=menuheight+mainobjoffsetH+"px";
}

function showhidediv(what){
if (endofgallerymsg!="") {
positiondiv();
statusdiv.style.visibility=what;
}
}

function getposOffset(what, offsettype){
	var totaloffset=(offsettype=="left")? what.offsetLeft: what.offsetTop;
	var parentEl=what.offsetParent;
	//alert(what.parentNode.offsetLeft);
	if (window.innerWidth) {totaloffset+=Math.round((window.innerWidth-what.parentNode.offsetWidth)/2);}
	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";
showhidediv("hidden");
}
else
showhidediv("visible");
}
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";
showhidediv("hidden");
}
else
showhidediv("visible");
}
righttime=setTimeout("moveright()",10);
}

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;
//alert(curposy);
//if (!firsttime){curposy=560;}
curposy=560;
	firsttime=1;
	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 (document.body){
		var ww = (document.body.clientWidth);
		var wh = (document.body.clientHeight);
	} else {
		var ww = (window.innerWidth);
		var wh = (window.innerHeight);
	}
	if (wh<840) {
		window.resizeTo(window.screen.availWidth,840);
	}
*/

	if (iedom){
		divmain=document.getElementById? document.getElementById("main") : document.all.main;
		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)
			if (1==1)
				//cross_scroll.style.left=(menuwidth-actualwidth)/startpos+'px';
				divmain.onmousemove=function(e){
					//alert('test');
					//if (!firsttime){motionengine(e);}
					motionengine(e);
				}
/* jm...
				crossmain.onmousemove=function(e){
					motionengine(e);
				}

				crossmain.onmouseout=function(e){
					stopmotion(e);
					showhidediv("hidden");
				}
*/
			}
			loadedyes=1
			if (endofgallerymsg!=""){
				creatediv();
				positiondiv();
			}
			if (document.body.filters)
				onresize()
}
firsttime=0;
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;
}
