/***********************************************
* 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;
	 //5) Set message to show at end of gallery. Enter "" to disable message.
	var endofgallerymsg='<span style="font-size: 11px;">End of Gallery</span>';
	
	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;
	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;
	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 config(msg) {
		alert(msg);
	}
	
	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){
	motionengine(e);
	}
	
	crossmain.onmouseout=function(e){
	stopmotion(e);
	showhidediv("hidden");
	}
	}
	loadedyes=1
	if (endofgallerymsg!=""){
	creatediv();
	positiondiv();
	}
	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;
	}

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