/***********************************************
* 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 = 700;
//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 = '';

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 fillup() {
	if (iedom) {
	    crossmain = document.getElementById ? document.getElementById("motioncontainer") : document.all.motioncontainer;
	    if (typeof crossmain != 'undefined' && crossmain) {
	        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';
    }
    if (typeof crossmain != 'undefined' && crossmain)
        menuwidth = crossmain.offsetWidth;
    if (typeof cross_scroll != 'undefined' && crossmain)
        cross_scroll.style.left = startpos ? (menuwidth - actualwidth) / startpos + 'px' : 0;
}