﻿var restarea = 64;
var maxspeed = 6;
var maxwidth = 1024;
var startpos = 0;

//function enlargeimage(path, optWidth, optHeight)
//{
//    var actualWidth = typeof optWidth != "undefined" ? optWidth : "600px"
//    var actualHeight = typeof optHeight != "undefined" ? optHeight : "500px"
//    var winattributes = "width=" + actualWidth + ",height=" + actualHeight + ",resizable=yes"
//    window.open(path, "", winattributes)
//}

function enlargeimage(imageTag)
{
	alert(unescape(imageTag));
}

var iedom = document.all || document.getElementById;
var loadedyes = 0;
var scrollspeed = 0;
var movestate = '';
var actualwidth = '';
var cross_scroll, ns_scroll, lefttime, righttime, crossmain, menuwidth;

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()
{
	if (loadedyes)
	{
		movestate = "left";
		if (iedom && parseInt(cross_scroll.style.left) > (menuwidth - actualwidth))
		{
			cross_scroll.style.left = parseInt(cross_scroll.style.left) - scrollspeed + "px";
        }
    }
    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";
		}
	}
	righttime = setTimeout("moveright()", 10);
}

function motionengine(e)
{
	var mainobjoffset = getposOffset(crossmain, "left");
	var dsocx = (window.pageXOffset) ? pageXOffset : ietruebody().scrollLeft;
	//var dsocy = (window.pageYOffset) ? pageYOffset : ietruebody().scrollTop;
	var leftbound = (menuwidth - restarea) / 2;
	var rightbound = (menuwidth + restarea) / 2;
	var curposx = (window.event ? event.clientX : e.clientX ? e.clientX : 0) - (mainobjoffset - dsocx);
	
	if(curposx > rightbound)
	{
		scrollspeed = (curposx - rightbound) / ((menuwidth - restarea) / 2) * maxspeed;
		clearTimeout(righttime);
		if (movestate != "left") moveleft();
	}
	else if (curposx < leftbound)
	{
		scrollspeed = (leftbound - curposx) / ((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()
{
//debugger;
	if (iedom)
	{
		crossmain = document.getElementById ? document.getElementById("motioncontainer") : document.all.motioncontainer;
		
		if (typeof crossmain.style.maxWidth !== 'undefined') crossmain.style.maxWidth = maxwidth + 'px';
		
		crossmain.style.width = Math.min(crossmain.offsetWidth, 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); }
	}
	
	loadedyes = 1;
	
	if (document.body.filters) onresize();
}

setTimeout(fillup, 1000);

onresize = function()
{
	//crossmain = document.getElementById ? document.getElementById("motioncontainer") : document.all.motioncontainer;
	if (typeof crossmain !== 'undefined' && crossmain.filters)
	{
		crossmain.style.width = "0";
		crossmain.style.width = "";
		crossmain.style.width = Math.min(crossmain.offsetWidth, maxwidth) + 'px';
	}
	
    menuwidth = crossmain.offsetWidth;

	//cross_scroll = document.getElementById ? document.getElementById("motiongallery") : document.all.motiongallery;
    cross_scroll.style.left = startpos ? (menuwidth - actualwidth) / startpos + 'px' : 0;
}
