var xmlDoc;
var isIE;
var FllModels = [];
function loadXML(xmlFile)
{
	if (window.ActiveXObject)
	{
		xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
		isIE = true
		xmlDoc.onreadystatechange = function () { if (xmlDoc.readyState == 4) readXML() };
	}
	// code for Mozilla, Firefox, Opera, etc.
	else if (document.implementation && document.implementation.createDocument)
	{
		xmlDoc=document.implementation.createDocument("ns","root",null);
		isIE = false;
		xmlDoc.onload = readXML;
	}
	else
	{
		alert('cannot handle this');
	}
	xmlDoc.async=false;
	xmlDoc.load(xmlFile);
}

function readXML()
{
	var models = xmlDoc.getElementsByTagName('model');
	FllModels = [models.length];
	for(i=0; i < models.length; i++)
	{
		var area = "";
		var areas = models[i].getElementsByTagName('area');
		if(areas.length > 0)
			area = areas[0];
			
		var title = "";
		var titles = models[i].getElementsByTagName('title');
		if(titles.length > 0)
			title = titles[0];
			
		var image = "";
		var images = models[i].getElementsByTagName('image');
		if(images.length > 0)
			image = images[0];
		
		var sound = "";
		var sounds = models[i].getElementsByTagName('sound');
		if(sounds.length > 0)
			sound = sounds[0];
	
		if(area.tagName)
		{			
			FllModels[i] = new FllModel();
			
			FllModels[i].Areas = [areas.length];
			
			for(var k=0; k<areas.length; k++)
			{
				var shape = areas[k].getAttribute("shape");
				var coords = areas[k].getAttribute("coords");
				FllModels[i].Areas[k] = new FllArea(shape,coords);
			}
			
			if(title && title.tagName)
				FllModels[i].Title = title.getAttribute("value");
			if(image && image.tagName)
				FllModels[i].Image = image.getAttribute("src");
			if(sound && sound.tagName)
				FllModels[i].Sound = sound.getAttribute("src");
		}
	}
}

function FllModel()
{
	this.Areas = [];
	this.Title = "";
	this.Image = "";
	this.Sound = "";
}

function FllArea(Shape, Coordinates)
{
	this.Shape = Shape;
	this.Coordinates = Coordinates;
}



/***********************************************
* Image w/ description tooltip- By Dynamic Web Coding (www.dyn-web.com)
* Copyright 2002-2007 by Sharon Paine
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

/* IMPORTANT: Put script after tooltip div or 
	 put tooltip div just before </BODY>. */

var dom = (document.getElementById) ? true : false;
var ns5 = (!document.all && dom || window.opera) ? true: false;
var ie5 = ((navigator.userAgent.indexOf("MSIE")>-1) && dom) ? true : false;
var ie4 = (document.all && !dom) ? true : false;
var nodyn = (!ns5 && !ie4 && !ie5 && !dom) ? true : false;

var origWidth, origHeight;

// avoid error of passing event object in older browsers
if (nodyn) { event = "nope" }

///////////////////////  CUSTOMIZE HERE   ////////////////////
// settings for tooltip 
// Do you want tip to move when mouse moves over link?
var tipFollowMouse= true;	
// Be sure to set tipWidth wide enough for widest image
var tipWidth= 150;
var offX= 20;	// how far from mouse to show tip
var offY= 12; 
var tipFontFamily= "Verdana, arial, helvetica, sans-serif";
var tipFontSize= "8pt";
// set default text color and background color for tooltip here
// individual tooltips can have their own (set in messages arrays)
// but don't have to
var tipFontColor= "#000000";
var tipBgColor= "#FFFFFF"; 
var tipBorderColor= "#268629";
var tipBorderWidth= 3;
var tipBorderStyle= "ridge";
var tipPadding= 4;

// to layout image and text, 2-row table, image centered in top cell
// these go in var tip in doTooltip function
// startStr goes before image, midStr goes between image and text
var startStr = '<table width="' + tipWidth + '"><tr><td align="center" width="100%"><img src="';
var midStr = '" border="0"></td></tr><tr><td valign="top">';
var endStr = '</td></tr></table>';

////////////////////////////////////////////////////////////
//  initTip	- initialization for tooltip.
//		Global variables for tooltip. 
//		Set styles
//		Set up mousemove capture if tipFollowMouse set true.
////////////////////////////////////////////////////////////
var tooltip, tipcss;
function initTip() {
	if (nodyn) return;
	tooltip = (ie4)? document.all['tipDiv']: (ie5||ns5)? document.getElementById('tipDiv'): null;
	tipcss = tooltip.style;
	if (ie4||ie5||ns5) {	// ns4 would lose all this on rewrites
		tipcss.width = tipWidth+"px";
		tipcss.fontFamily = tipFontFamily;
		tipcss.fontSize = tipFontSize;
		tipcss.color = tipFontColor;
		tipcss.backgroundColor = tipBgColor;
		tipcss.borderColor = tipBorderColor;
		tipcss.borderWidth = tipBorderWidth+"px";
		tipcss.padding = tipPadding+"px";
		tipcss.borderStyle = tipBorderStyle;
	}
	if (tooltip&&tipFollowMouse) {
		document.onmousemove = trackMouse;
	}
}

window.onload = initTip;

/////////////////////////////////////////////////
//  doTooltip function
//			Assembles content for tooltip and writes 
//			it to tipDiv
/////////////////////////////////////////////////
var t1,t2;	// for setTimeouts
var tipOn = false;	// check if over tooltip link
function doTooltip(evt,img,title)
{
	if (!tooltip) return;
	if (t1) clearTimeout(t1);	if (t2) clearTimeout(t2);
	tipOn = true;

	if (ie4||ie5||ns5)
	{
		var tip = startStr + img + midStr + '<center><span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + tipFontColor + '; font-weight: 700;">' + title + '</span></center>' + endStr;
		tipcss.backgroundColor = tipBgColor;
	 	tooltip.innerHTML = tip;
	}
	if (!tipFollowMouse)
		positionTip(evt);
	else
		t1=setTimeout("tipcss.visibility='visible'",100);
}

var mouseX, mouseY;
function trackMouse(evt)
{
	standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body //create reference to common "body" across doctypes
	mouseX = (ns5)? evt.pageX: window.event.clientX + standardbody.scrollLeft;
	mouseY = (ns5)? evt.pageY: window.event.clientY + standardbody.scrollTop;
	if (tipOn) positionTip(evt);
}

/////////////////////////////////////////////////////////////
//  positionTip function
//		If tipFollowMouse set false, so trackMouse function
//		not being used, get position of mouseover event.
//		Calculations use mouseover event position, 
//		offset amounts and tooltip width to position
//		tooltip within window.
/////////////////////////////////////////////////////////////
function positionTip(evt)
{
	if (!tipFollowMouse) {
		mouseX = (ns5)? evt.pageX: window.event.clientX + standardbody.scrollLeft;
		mouseY = (ns5)? evt.pageY: window.event.clientY + standardbody.scrollTop;
	}
	// tooltip width and height
	var tpWd = (ie4||ie5)? tooltip.clientWidth: tooltip.offsetWidth;
	var tpHt = (ie4||ie5)? tooltip.clientHeight: tooltip.offsetHeight;
	// document area in view (subtract scrollbar width for ns)
	var winWd = (ns5)? window.innerWidth-20+window.pageXOffset: standardbody.clientWidth+standardbody.scrollLeft;
	var winHt = (ns5)? window.innerHeight-20+window.pageYOffset: standardbody.clientHeight+standardbody.scrollTop;
	// check mouse position against tip and window dimensions
	// and position the tooltip 
	if ((mouseX+offX+tpWd)>winWd) 
		tipcss.left = mouseX-(tpWd+offX)+"px";
	else tipcss.left = mouseX+offX+"px";
	if ((mouseY+offY+tpHt)>winHt) 
		tipcss.top = winHt-(tpHt+offY)+"px";
	else tipcss.top = mouseY+offY+"px";
	if (!tipFollowMouse) t1=setTimeout("tipcss.visibility='visible'",100);
}

function hideTip()
{
	if (!tooltip) return;
	t2=setTimeout("tipcss.visibility='hidden'",100);
	tipOn = false;
}

document.write('<div id="tipDiv" style="position:absolute; visibility:hidden; z-index:100"></div>')


/***********************************************
* JavaScript Sound effect- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* Visit http://www.dynamicDrive.com for hundreds of DHTML scripts
* This notice must stay intact for legal use
***********************************************/

var soundfile="sidebar.html" //path to sound file, or pass in filename directly into playsound()

function playsound(soundfile)
{
	if (document.all && document.getElementById)
	{
		document.getElementById("soundeffect").src = ""; //reset first in case of problems
		document.getElementById("soundeffect").src = soundfile;
	}
}

function bindsound(tag, soundfile, masterElement)
{
	if (!window.event)
		return

	var source = event.srcElement;
	while (source!=masterElement && source.tagName!="HTML")
	{
		if (source.tagName==tag.toUpperCase())
		{
			playsound(soundfile);
			break;
		}
		source = source.parentElement;
	}
}