/***********************************************
* 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 to enlarge image. Change as desired.
function enlargeimage(path, optWidth, optHeight)
{
	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 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;
}