// |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
// 
// Coded by Travis Beckham
// http://www.squidfingers.com | http://www.podlob.com
// If want to use this code, feel free to do so, but please leave this message intact.
// If you do remove this, I will hunt you down :)
//
// |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
// --- myapi version date: 03/29/02 ------------------------------------------------------
//
// ---------------------------------------------------------------------------------------
// Several functions added or modified by Scott Upton, Uptonic.com
// January 2005
// ---------------------------------------------------------------------------------------

Detect = function(){
	var agent = navigator.userAgent.toLowerCase(); 
	this._mac = agent.indexOf('mac') != -1;
	this._win = !this._mac;
	this._w3c = document.getElementById;
	this._iex = document.all;
	this._ns4 = document.layers;
}
Detect.prototype.getObj = function(name){
	if(this._w3c){
		return document.getElementById(name);
	}else if(this._iex){
		return document.all[name];
	}else if(this._ns4){
		return this.getObjNS4(document,name);
	}
}
Detect.prototype.getObjNS4 = function(obj, name){
	var d = obj.layers;
	var result,temp;
	for(var i=0; i<d.length; i++){
		if(d[i].id == name){
		 	result = d[i];
		}else if(d[i].layers.length){
			var temp = this.getObjNS4(d[i],name);
		}
		if(temp){
			result = temp;
		}
	}
	return result;
}
Detect.prototype.getStyle = function(obj){
	return (this._ns4) ? obj : obj.style;
}
Detect.prototype.getWindowWidth = function(){ // width of the window
	return this._iex ? document.body.clientWidth : window.innerWidth;
}
Detect.prototype.getWindowHeight = function(){ // height of the window
	return this._iex ? document.body.clientHeight : window.innerHeight;
}
Detect.prototype.getScrollTop = function(){ // top scroll position of the window
	return this._iex ? document.body.scrollTop : window.pageYOffset;
}
Detect.prototype.getScrollLeft = function(){ // left scroll position of the window
	return this._iex ? document.body.scrollLeft : window.pageXOffset;
}
Detect.prototype.setScrollTop = function(n){ // set the vertical scroll position of the window
	window.scrollTo(this.getScrollLeft(),n);
}
Detect.prototype.setScrollLeft = function(n){ // set the horizontal scroll position of the window
	window.scrollTo(n,this.getScrollTop());
}
Detect.prototype.setScroll = function(x,y){ // set the x,y scroll position of the window
	window.scrollTo(x,y);
}

// :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

// HTMLobj Constructor

HTMLobj = function(name){
	if(name){
		this._inherit = Detect; this._inherit(name);
		this._id  = name;
		this._el  = this.getObj(this._id);
		this._css = this.getStyle(this._el);
		this._obj = name+'Object'; eval(this._obj+'=this');	
		this._timer = null;
		this._glideRunning = false;
		this._tweenRunning = false;
		this._fadeRunning = false;	// Added by SU, Couloir
		this._randNum = null;		// Added by SU, Couloir
		this._startFade = false;	// Added by SU, Couloir
		return this;
	}
}
HTMLobj.prototype = new Detect();

HTMLobj.prototype.getLeft = function(){ // left position of the element
	return parseInt(this._css.left || 0);
}
HTMLobj.prototype.getTop = function(){ // top position of the element
	return parseInt(this._css.top || 0);
}		
HTMLobj.prototype.getWidth = function(){ // width of the element
	if(this._ns4){
		 return this._el.document.width;
	}else{
		return this._el.offsetWidth;
	}
}
HTMLobj.prototype.getHeight = function(){ // height of the element
	if(this._ns4){
		 return this._el.document.height;
	}else{
		return this._el.offsetHeight;
	}
}
HTMLobj.prototype.getClipWidth = function(){ // clip width of the element
	if(this._ns4){
		 return this._el.clip.width;
	}else{
		return this._el.offsetWidth;
	}
}
HTMLobj.prototype.getClipHeight = function(){ // clip height of the element
	if(this._ns4){
		 return this._el.clip.height;
	}else{
		return this._el.offsetHeight;
	}
}
HTMLobj.prototype.setStyle = function(prop, val){ // change the value of any css property
	if(!this._ns4){
		this._el.style[prop] = val;
		if(this._iex && this._mac){
			this._el.innerHTML = this._el.innerHTML;
		}
	}
}
HTMLobj.prototype.show = function(){ // show the visibility of the element
	this._css.visibility = 'visible';
}
HTMLobj.prototype.hide = function(){ // hide the visibility of the element
	this._css.visibility = 'hidden';
}
HTMLobj.prototype.showhide = function(){ // toggle the visibility of the element
	if(this._css.visibility == 'hidden' || this._css.visibility == 'hide'){
		this._css.visibility = 'visible';
	}else{
		this._css.visibility = 'hidden';
	}
}
HTMLobj.prototype.setInner = function(html){ // change the contents of the element
	if(this._ns4){
		this._el.document.open();
		this._el.document.write(html);
		this._el.document.close();
	}else{
		this._el.innerHTML = html;
	}
}
HTMLobj.prototype.moveTo = function(x,y){ // move the element to a new position
	if(this._ns4){
		this._el.moveTo(x,y);
	}else{
		this._css.left = x;
		this._css.top  = y;
	}
}
HTMLobj.prototype.moveBy = function(x,y){ // move the element to a new position relative to it's current position
	if(this._ns4) {
		this._el.moveBy(x,y);
	}else{
		this._css.left = this.getLeft()+x;
		this._css.top  = this.getTop()+y;
	}
}
HTMLobj.prototype.sizeTo = function(w,h){ // set the size of the element
	if(!this._ns4){
		this._css.width = w+'px';
		this._css.height = h+'px';
	}
}
HTMLobj.prototype.sizeBy = function(w,h){ // set the size of the element relative to it's current size
	if(!this._ns4){
		this._css.width = this.getWidth()+w+'px';
		this._css.height = this.getHeight()+h+'px';
	}
}
HTMLobj.prototype.glideTo = function(x,y,callback){ // ease-out animation, callback function optional
	if(this._glideRunning){
		var left = this.getLeft();
		var top  = this.getTop();
		if(Math.abs(left-x)<=1 && Math.abs(top-y)<=1){
			this.moveTo(x,y);
			this.cancelGlide();
			if(callback){
				eval(this._obj+'.'+callback+'()');
			}
		}else{
			this.moveTo(left+(x-left)/2, top+(y-top)/2);
		}
	}else{
		var c = (callback) ? ',\"'+callback+'\"' : '' ;
		this._timer  = setInterval(this._obj+'.glideTo('+x+','+y+c+')',100);
		this._glideRunning = true;
	}
}
HTMLobj.prototype.cancelGlide = function(){ // cancel the glideTo method
	clearInterval(this._timer);
	this._timer = null;
	this._glideRunning = false;
}
HTMLobj.prototype.swapDepth = function(obj){ // swap the z-index of 2 elements
	var temp = this._css.zIndex;
	this._css.zIndex = obj._css.zIndex;
	obj._css.zIndex = temp;
}
// -------------------------------------------
// Modified by SU, Uptonic.com
// -------------------------------------------
HTMLobj.prototype.tweenTo = function(method, start, end, time){ // time-based animation, with multiple easing methods
// method: a function that takes 4 arguments: time, start, change, and duration
// start: array of starting width, height dimensions [w, h]
// end: array of ending width, height dimensions [w, h]
// time: number of 'frames' it takes to get to the end position
	if(!this._tweenRunning){
		this._tweenTime = 0;
		var s = '['+start.toString()+']';
		var e = '['+end.toString()+']';
		this._timer = setInterval(this._obj+'.tweenTo('+method+','+s+','+e+','+time+')', 33);
		this._tweenRunning = true;
	}
	if(++this._tweenTime > time){
		this.cancelTween();
	}else{
		var w = method(this._tweenTime, start[0], end[0]-start[0], time);
		var h = method(this._tweenTime, start[1], end[1]-start[1], time);
		this.sizeTo(w,h);
	}
}
HTMLobj.prototype.cancelTween = function(){ // cancel the tweenTo method
	clearInterval(this._timer);
	this._timer = null;
	this._tweenRunning = false;
	this._startFade = true;
}

// -> Easing Equations by Robert Penner - robertpenner.com -
linearTween = function(t, b, c, d){
	return c*t/d + b;
}
easeInQuad = function(t, b, c, d){
	t /= d;
	return c*t*t + b;
}
easeOutQuad = function(t, b, c, d){
	t /= d;
	return -c * t*(t-2) + b;
}
easeInOutQuad = function(t, b, c, d){
	t /= d/2;
	if (t < 1) return c/2*t*t + b;
	t--;
	return -c/2 * (t*(t-2) - 1) + b;
}
easeInExpo = function(t, b, c, d){
	return c * Math.pow( 2, 10 * (t/d - 1) ) + b;
}
easeOutExpo = function(t, b, c, d){
	return c * ( -Math.pow( 2, -10 * t/d ) + 1 ) + b;
}
// -------------------------------------------
// Added by SU, Uptonic.com
// December 2004 - January 2005
// -------------------------------------------
HTMLobj.prototype.getRandom = function(start,end){ // generate new random number
    this._randNum= Math.round(start + ((end-start) * Math.random()));
    return this._randNum;
}
HTMLobj.prototype.setOpacity = function(opacity){ // set opacity of the element
	// Fix for math error in some browsers
	opacity = (opacity == 100)?99.999:opacity;
	// IE/Windows
	this._css.filter = "alpha(opacity:"+opacity+")";
	// Safari < 1.2, Konqueror
	this._css.KHTMLOpacity = opacity/100;	
	// Older Mozilla and Firefox
	this._css.MozOpacity = opacity/100;
	// Safari 1.2, newer Firefox and Mozilla, CSS3
	this._css.opacity = opacity/100;
}
HTMLobj.prototype.fadeOut = function(opacity, change, speed){ // gradually decrease the opacity of the element
// opacity: starting opacity of element
// change: the size of the increments between steps
// speed: the rate of the animation
	if (opacity >= 0){
	  this._fadeRunning = true;
	  this.setOpacity(opacity);
	  opacity -= change;
	  setTimeout(this._obj+'.fadeOut('+opacity+','+change+','+speed+')', speed);
	} else {
		this._fadeRunning = false;
		this.hide();
	}
}
HTMLobj.prototype.fadeIn = function(opacity, change, speed){ // gradually increase the opacity of the element
// opacity: starting opacity of element
// change: the size of the increments between steps
// speed: the rate of the animation	
	if (opacity <= 100){
	  this.show();
	  this._fadeRunning = true;
	  this.setOpacity(opacity);
	  opacity += change;
	  setTimeout(this._obj+'.fadeIn('+opacity+','+change+','+speed+')', speed);
	} else {
		this._fadeRunning = false;
		this.setOpacity(100);
	}
}
HTMLobj.prototype.displayShow = function(){ // display the element as 'block'
	this._css.display = 'block';
}
HTMLobj.prototype.displayHide = function(){ // do not display the element
	this._css.display = 'none';
}
HTMLobj.prototype.setSrc = function(target){ // set the element's source to target
	this._el.src = target;
}
HTMLobj.prototype.setHref = function(target){ // set the element's link to target
	this._el.href = target;
}
HTMLobj.prototype.setInnerHtml = function(content){ // set the element's inner HTML to content
	this._el.innerHTML = content;
}















// <![CDATA[
	
	// -----------------------------------------------------------------------------------
	// 
	// This page coded by Scott Upton
	// http://www.uptonic.com | http://www.couloir.org
	//
	// This work is licensed under a Creative Commons License
	// Attribution-ShareAlike 2.0
	// http://creativecommons.org/licenses/by-sa/2.0/
	//
	// Associated API copyright 2002, Travis Beckham (www.squidfingers.com)
	//
	// -----------------------------------------------------------------------------------
	// --- version date: 04/30/05 ------------------------------------------------------
	
	 // Location of photos for gallery
	var borderSize = 40;	 // = 2x CSS border size
	
	// get current photo id from URL
	/*var thisURL = document.location.href;
	var splitURL = thisURL.split("#");*/
	var photoId = 0;//splitURL[1] - 1;
	var th='';
	// if no id in query string then set to 0
	photoId = (!photoId)? 0:photoId;
	// Number of photos in this gallery
	var photoNum = photoArray.length;
	
	
	// Create access to 'Detect' object and a place to put instances of 'HTMLobj'
	API = new Detect();
	
	// CREATE INSTANCES & LOAD
	loadAPI = function(){
		// Instantiate HTMLobj
		API.Container		= new HTMLobj('Container');
		API.Photo			= new HTMLobj('Photo');
		API.PhotoContainer	= new HTMLobj('PhotoContainer');
		//API.LinkContainer	= new HTMLobj('LinkContainer');
		//API.PrevLink		= new HTMLobj('PrevLink');
		//API.NextLink		= new HTMLobj('NextLink');
		API.CaptionBlock	= new HTMLobj('CaptionBlock');
		//API.Counter			= new HTMLobj('Counter');
		API.Caption			= new HTMLobj('Caption');
		API.LoadImg			= new HTMLobj('LoadImg');
		API.Thumbs			= new HTMLobj('Thumbs');
		API.Article		= new HTMLobj('Article');
		
		
		
		
		var i=0;
		var u;
		init();
	}
	
	function setArticle(a)
	{
		API.Article.setInnerHtml(a);	
	}
	function setV()
	{
		API.Thumbs.setInnerHtml('');
		//API.PhotoContainer.setInnerHtml('');
		API.Photo.hide();
		API.Photo.sizeTo(1,1);
		API.Caption.setInnerHtml('<object width="580" height="471"><param name="movie" value="http://www.youtube.com/v/hMEMhu7zVg0"></param><embed src="http://www.youtube.com/v/hMEMhu7zVg0" type="application/x-shockwave-flash" width="580" height="471"></embed></object>');
		API.LoadImg.hide();
	}
	function init(){
		if(photoDir[0]=='*'){setV()}
		else{
		//API.PhotoContainer.setInnerHtml('"<img id=\"Photo\" src=\"images/1.gif\" alt=\"\" width=\"580\" height=\"390\" />"');
		photoNum = photoArray.length;
		photoId = 0;
		th='';
		for(i=1; i<= photoNum;i=i+1)
		{ 
			u=photoDir+photoArray[i-1][4];
			th+='<a  onfocus="this.blur();" href="javascript:cyclePhoto(' +(i-1)+ ')"><img src="' + u +'"></a>';
		}
		API.Thumbs.setInnerHtml(th);
		//window.alert(th);
		// Show initial photo
		cyclePhoto(photoId);}
	}
	onload = loadAPI;
	var fade_timer
	// Fade in photo when it is loaded from the server
	initFade = function(){
		
		
		
		// Show PhotoContainer again
		API.PhotoContainer.show();
		API.Thumbs.show();
		
		// Be certain the tween is complete before fading, too
		fade_timer = setInterval('startFade()', 1000);
						
		// Fade photo in when ready and clear listener
		startFade = function(){
			if(API.Container._tweenRunning == false){ 
				clearInterval(fade_timer);
				//var fade_next = setInterval('nextPhoto()', 10000);
				
				// Be certain fade is done running before allowing next/previous links to work
				// This avoids rapid fade-in when users click next/previous links in quick succession
				var adv_timer = setInterval('permitNextPrev()', 500);
				
				// Permit next/previous links to function normally when fade is completed
				permitNextPrev = function(){
					if(API.Photo._fadeRunning == false){
						clearInterval(adv_timer);
						
						// Only show links if there is more than one photo in array
						if(photoNum > 1){
							//API.LinkContainer.displayShow();
							//document.getElementById('NextLink').onclick = nextPhoto;
							//document.getElementById('PrevLink').onclick = prevPhoto;
						}
					} else {
						return;
					}
				}
				// Swap out loading animation to spare CPU cycles when hidden anyway
				API.LoadImg.setSrc("images/slideshow/start.gif");
				
				// Show caption again
				//API.CaptionBlock.show();
				
				// Fade photo in
				API.Photo.fadeIn(0,15,33);
			} else {
				return;
			}
		}
	}
	
	// Prevent next/previous
	falsify = function(){
		return false;
	}
	
	// Go to next photo
	nextPhoto = function(){
		// Go to next photo
		if(photoId == (photoArray.length - 1)){
			photoId = 0;
		} else {
			photoId++;
		}
		cyclePhoto(photoId);
	}
	
	// Go to previous photo
	prevPhoto = function(){
		// If at start, go back to end
		if(photoId == 0){
			photoId = photoArray.length - 1;
		} else {
			photoId--;
		}
		cyclePhoto(photoId);
	}
	
	// Alter class of elements
	changeElementClass = function(objId,setClass) {
		document.getElementById(objId).className = setClass;
	}
	
	// Function to load subsequent photos in gallery
	cyclePhoto = function(photoId){clearInterval(fade_timer);
			
		// Swap in loading animation
		API.LoadImg.setSrc("images/slideshow/loading_ani2.gif");
		
		// Hide link container if it is not already hidden
		//API.LinkContainer.displayHide();
		
		// Hide photo container and caption temporarily
		API.Photo.hide();
		API.Photo.setOpacity(0);
		//API.CaptionBlock.hide();
		
		// Get dimensions of photo
		var wNew = photoArray[photoId][1];
		var hNew = photoArray[photoId][2];
		
		// Start tween on a delay
		var wCur = API.Container.getWidth() - borderSize;
		var hCur = API.Container.getHeight() - borderSize;
		
		var wBut=wNew/2+20;
		var hBut=(hNew/2+20)*2;
		var wNewb=wNew+borderSize;
		// Begin tweening on a short timer
		//setTimeout('API.Container.tweenTo(easeInQuad, ['+wCur+', '+hCur+'], ['+wNew+','+hCur+'], 7)',500);
		//setTimeout('API.Container.sizeTo('+wNew+','+hNew+')',500);
		//setTimeout('API.LinkContainer.sizeTo('+wNew+','+hNew+')',500);
		//setTimeout('API.PrevLink.sizeTo('+wBut+','+hBut+')',500);
		//setTimeout('API.NextLink.sizeTo('+wBut+','+hBut+')',500);
		//setTimeout('API.CaptionBlock.sizeTo('+wNew+',18)',500);
		
		// Get new photo source
		var newPhoto = photoDir + photoArray[photoId][0];
		
		// Set source, width, and height of new photo
		API.Photo.setSrc(newPhoto);		
		API.Photo.sizeTo(wNew,hNew);
		
		// Set links to new targets based on photoId
		//API.NextLink.setHref("#" + (photoId+1));
		//API.PrevLink.setHref("#" + (photoId+1));
		//API.Thumbs.setHref("#" + (photoId+1));
		//API.Counter.setInnerHtml((photoId+1)+" of "+photoNum+" |");
		API.Caption.setInnerHtml(photoArray[photoId][3]);
		
		// Event listeners for onload and onclick events
		document.getElementById('Photo').onload = initFade;
		
		// Block next/previous links until permitNextPrev() has fired
		//document.getElementById('NextLink').onclick = falsify;
		//document.getElementById('PrevLink').onclick = falsify;
		
	}
	// ]]>