/**
 * OVP - Javascript library for full player rendering
 * 
 * Author: James Mutton <jmutton [at] akamai [dot] com>
 * Version: 1.0
 * 
 * Copyright 2010 Akamai Technologies, Inc.
 * All rights reserved.
 * Licensed under the BSD license:
 * 
 * Portions of the code may also be covered under the MIT license:
 *     http://www.opensource.org/licenses/mit-license.php
 *
 * Portions of the code may also be covered under the MS-PL license:
 *     http://www.microsoft.com/opensource/licenses.mspx#Ms-PL
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * - Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - Neither the name of Akamai Technologies nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE
 * 
 * GETTING STARTED:
 * 
 * An OVP project to simplify the deployment of OVP.  It provides a unified
 * facade to each OVP technology and frees the user from having to write
 * dependent code for each individual player-type.  It also provides failover,
 * to give the best possible experience for the end-user when different
 * technologies are available.  OVP will use a selective list of possible
 * technologies depending on the format of the media and the configuration
 * passed into the player.  It is cross-browser and can utilize the new HTML 5
 * video tags as well. 
 * 
 * It supports a configurable and pluggable interface and can be extended at
 * runtime.  Plugins are notified of each step and given the option of
 * manipulating the result of a call.  Plugins may choose to abort calls to
 * further plugins or (more typically) will be called sequentially in the order
 * they are loaded. If an error occurs in a plugin, it may pass the error up to
 * halt processing all together or it may handle the error and indicate to the
 * calling function it failure (but allow other plugins to continue).
 * 
 * Basic steps:
 * 1) Include all required files on the page (minimally, this file)
 * 2) Optionally Create a configuration dictionary for the desired behavior
 *    and call the init method
 * 3a) Optionally call the OVP.adopt method to adopt all video tags on the page
 * 3b) Optionally Call render method to render a player to a specific location
 *     on the page
* * 
 * USAGE:
 * addDOMLoadEvent(function(){
 *     // We can optionally start with a config object
 *     var configobj = {"strategy":{
 *         "order":["HTML5","Silverlight","Flash"]  // Case is important
 *     }};
 *     // If we have a config, we init-it to the ovp framework
 *     ovp.init(configobj);
 *     // Then we call adopt() to adopt all video tags on the page
 *     ovp.adopt();
 * });
 *
 *  @TODO:
 *  - Document plugin interfaces
 *  - Styling guide
 *  - Configuration object guide
 *  - Complete Documentation package
 *  - Document sprite configuration and allow passing sprites to flash/sl
 *    to promote the use of fullscreen (and therefore hardware acceleration)
 *
 *  - Need a sorting function for the source array so that playlist types (smil,
 *    m3u8, ism/manifest, etc...) are considered first. (mp4 for idevice)
 *  - Selective controls: example, I want controls on HTML5 but not on flash
 *  - Return to the proper scroll position when un-fullscreening a video
 *  - Need a controlled way to get back to the playlist when started with a rendered feed
 *  - Change ALL images over to CSS Sprites
 *  - Firefox has a core issue with plugin positioning causing the plugin to reload.
 *    As a result, fullscreen in firefox simply maximizes the video and scrolls there.
 *    This isn't a todo, just a note of the behavior.
 *    See: https://bugzilla.mozilla.org/show_bug.cgi?id=90268
 *    See: https://bugzilla.mozilla.org/show_bug.cgi?id=429428
 *  - HTML5 controls are broken in chrome (builds out from center)
 *  - Update plugin model to allow insertion of different video objects
 *  - Add the different controls and video objects directly to the OVP object so that
 *    someone can override them or their prototype? Otherwise, maybe a factory function
 *    and store the objects in the ovpconfig defaults.
 */

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	var PRODUCT_INFO = {
		'__version__':'1.0',
		'__author__':'James Mutton <jmutton [at] akamai [dot] com>',
		'__site__':'http://openvideoplayer.sourceforge.net',
		'__copyright__':'2010, Akamai Technologies, Inc.',
		'__license__':'OVP Code is Licensed under the BSD license, additional licenses apply to contributed code'
	};

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swfobject){swfobject[X]=null}swfobject=null})}}();return{registerObject:function(ab,X,aa,Z){if(M.w3&&ab&&X){var Y={};Y.id=ab;Y.swfVersion=X;Y.expressInstall=aa;Y.callbackFn=Z;o[o.length]=Y;w(ab,false)}else{if(Z){Z({success:false,id:ab})}}},getObjectById:function(X){if(M.w3){return z(X)}},embedSWF:function(ab,ah,ae,ag,Y,aa,Z,ad,af,ac){var X={success:false,id:ah};if(M.w3&&!(M.wk&&M.wk<312)&&ab&&ah&&ae&&ag&&Y){w(ah,false);K(function(){ae+="";ag+="";var aj={};if(af&&typeof af===r){for(var al in af){aj[al]=af[al]}}aj.data=ab;aj.width=ae;aj.height=ag;var am={};if(ad&&typeof ad===r){for(var ak in ad){am[ak]=ad[ak]}}if(Z&&typeof Z===r){for(var ai in Z){if(typeof am.flashvars!=D){am.flashvars+="&"+ai+"="+Z[ai]}else{am.flashvars=ai+"="+Z[ai]}}}if(F(Y)){var an=u(aj,am,ah);if(aj.id==ah){w(ah,true)}X.success=true;X.ref=an}else{if(aa&&A()){aj.data=aa;P(aj,am,ah,ac);return}else{w(ah,true)}}if(ac){ac(X)}})}else{if(ac){ac(X)}}},switchOffAutoHideShow:function(){m=false},ua:M,getFlashPlayerVersion:function(){return{major:M.pv[0],minor:M.pv[1],release:M.pv[2]}},hasFlashPlayerVersion:F,createSWF:function(Z,Y,X){if(M.w3){return u(Z,Y,X)}else{return undefined}},showExpressInstall:function(Z,aa,X,Y){if(M.w3&&A()){P(Z,aa,X,Y)}},removeSWF:function(X){if(M.w3){y(X)}},createCSS:function(aa,Z,Y,X){if(M.w3){v(aa,Z,Y,X)}},addDomLoadEvent:K,addLoadEvent:s,getQueryParamValue:function(aa){var Z=j.location.search||j.location.hash;if(Z){if(/\?/.test(Z)){Z=Z.split("?")[1]}if(aa==null){return L(Z)}var Y=Z.split("&");for(var X=0;X<Y.length;X++){if(Y[X].substring(0,Y[X].indexOf("="))==aa){return L(Y[X].substring((Y[X].indexOf("=")+1)))}}}return""},expressInstallCallback:function(){if(a){var 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	//feed parser jquery plugin
	jQuery.getFeed=function(a){a=jQuery.extend({url:null,data:null,success:null},a);if(a.url){$.ajax({type:"GET",url:a.url,data:a.data,dataType:"xml",success:function(b){var c=new JFeed(b);if(jQuery.isFunction(a.success)){a.success(c)}}})}};function JFeed(a){if(a){this.parse(a)}}JFeed.prototype={type:"",version:"",title:"",link:"",description:"",parse:function(a){if(jQuery("channel",a).length==1){this.type="rss";var b=new JRss(a)}if(b){jQuery.extend(this,b)}}};function JFeedItem(){}JFeedItem.prototype={title:"",link:"",description:"",updated:"",id:"",thumbnail:"",reference:{},files:[]};JFeedItem.prototype.getFiles=function(){var a=[];this.reference.find("[nodeName=media:content]").each(function(){var b={};b.src=jQuery(this).attr("url");b.type=jQuery(this).attr("type");b.bitrate=jQuery(this).attr("bitrate");a.push(b)});return a};function JRss(a){this._parse(a)}JRss.prototype={_parse:function(a){if(jQuery("rss",a).length==0){this.version="1.0"}else{this.version=jQuery("rss",a).eq(0).attr("version")}var b=jQuery("channel",a).eq(0);this.title=jQuery(b).find("title:first").text();this.link=jQuery(b).find("link:first").text();this.description=jQuery(b).find("description:first").text();this.language=jQuery(b).find("language:first").text();this.updated=jQuery(b).find("lastBuildDate:first").text();this.items=new Array();var c=this;jQuery("item",a).each(function(){var e=jQuery(this);var d=new JFeedItem();d.title=jQuery(this).find("title").eq(0).text();d.link=jQuery(this).find("link").eq(0).text();d.description=jQuery(this).find("description").eq(0).text();d.updated=jQuery(this).find("pubDate").eq(0).text();d.id=jQuery(this).find("guid").eq(0).text();d.thumbnail=jQuery(this).find("thumbnail").text();if(!d.thumbnail){d.thumbnail=jQuery(this).find("[nodeName=media:thumbnail]").attr("url")}d.reference=e;c.items.push(d)})}};
	//feed slider jquery plugin
	(function(a){a.feedSlider=function(c,b){var d=this;d.$el=a(c);d.el=c;d.currentPage=1;d.timer=null;d.playing=false;d.$el.data("feedSlider",d);d.init=function(){d.options=a.extend({},a.feedSlider.defaults,b);d.$wrapper=d.$el.find("> div").css("overflow","hidden");d.$slider=d.$wrapper.find("> ul");d.$items=d.$slider.find("> li");d.$single=d.$items.filter(":first");if(d.options.buildNavigation){d.buildNavigation()}d.singleWidth=d.$single.outerWidth();d.pages=d.$items.length;d.$items.filter(":first").before(d.$items.filter(":last").clone().addClass("cloned"));d.$items.filter(":last").after(d.$items.filter(":first").clone().addClass("cloned"));d.$items=d.$slider.find("> li");d.buildNextBackButtons();d.startStop(true);if(d.options.pauseOnHover){d.$el.hover(function(){d.clearTimer()},function(){d.startStop(d.playing)})}if((d.options.hashTags==true&&!d.gotoHash())||d.options.hashTags==false){d.setCurrentPage(1)}};d.gotoPage=function(f){if(typeof(f)=="undefined"||f==null){f=1;d.setCurrentPage(1)}if(f>d.pages+1){f=d.pages}if(f<0){f=1}var e=f<d.currentPage?-1:1,h=Math.abs(d.currentPage-f),g=d.singleWidth*e*h;d.$wrapper.filter(":not(:animated)").animate({scrollLeft:"+="+g},d.options.animationTime,d.options.easing,function(){if(f==0){d.$wrapper.scrollLeft(d.singleWidth*d.pages);f=d.pages}else{if(f>d.pages){d.$wrapper.scrollLeft(d.singleWidth);f=1}}d.setCurrentPage(f)})};d.setCurrentPage=function(f,e){if(d.options.buildNavigation){d.$nav.find(".cur").removeClass("cur");a(d.$navLinks[f-1]).addClass("cur")}if(e!==false){d.$wrapper.scrollLeft(d.singleWidth*f)}d.currentPage=f};d.goForward=function(){d.gotoPage(d.currentPage+1)};d.goBack=function(){d.gotoPage(d.currentPage-1)};d.gotoHash=function(){if(/^#?panel-\d+$/.test(window.location.hash)){var f=parseInt(window.location.hash.substr(7));var e=d.$items.filter(":eq("+f+")");if(e.length!=0){d.setCurrentPage(f);return true}}return false};d.buildNavigation=function(){d.$nav=a("<div id='thumbNav'></div>").appendTo(d.$el);d.$items.each(function(f,g){var e=f+1;var h=a("<a href='#'></a>");h.text(e);h.click(function(i){d.gotoPage(e);if(d.options.hashTags){d.setHash("panel-"+e)}i.preventDefault()});d.$nav.append(h)});d.$navLinks=d.$nav.find("> a")};d.buildNextBackButtons=function(){var e=a('<a class="arrow forward">&gt;</a>'),f=a('<a class="arrow back">&lt;</a>');f.click(function(g){d.goBack();g.preventDefault()});e.click(function(g){d.goForward();g.preventDefault()});d.$wrapper.after(f).after(e)};d.startStop=function(e){if(e!==true){e=false}d.playing=e;if(e){d.clearTimer();d.timer=window.setInterval(function(){d.goForward()},d.options.delay)}else{d.clearTimer()}};d.clearTimer=function(){if(d.timer){window.clearInterval(d.timer)}};d.setHash=function(e){if(typeof window.location.hash!=="undefined"){if(window.location.hash!==e){window.location.hash=e}}else{if(location.hash!==e){location.hash=e}}return e};d.init()};a.feedSlider.defaults={easing:"swing",delay:3000,animationTime:600,hashTags:true,buildNavigation:true,pauseOnHover:true};a.fn.feedSlider=function(b){if(typeof(b)=="object"||b==undefined){b=(b)?b:{};return this.each(function(c){(new a.feedSlider(this,b));b.hashTags=false})}else{if(typeof(b)=="number"){return this.each(function(c){var d=a(this).data("feedSlider");if(d){d.gotoPage(b)}})}}}})(jQuery);
	// END MIT LICENSE PORTION OF CODE

	///////////////////////////////////////////////
	// Controls Objects
	/**
	 * The Controls class.  The job of this class is to setup the basic elements
	 * and allow them to be rendered to the screen. It also manages things like seek/
	 * scrubbing.
	 * @param {Object} video - the corresponding video object we're rendering with/controling.
	 */
	var Controls = function(video) {
		this.managedVideo = video;
		var pixel = video.ovpconfig.controls.src_img;
		var mvid = video.getID();
		this.extendedClass = '';  // class extension
		this.controlcontainer = $('<div id="'+mvid+'-controlcontainer"></div>');
		this.controlss = $('<div id="'+mvid+'-controls"></div>');
		this.playpause = $('<div id="'+mvid+'-playpause"><img src="'+pixel+'"></div>');
		this.volumebtn = $('<div id="'+mvid+'-volumebtn"><img src="'+pixel+'"></div>');
		this.fsbtn = $('<div id="'+mvid+'-fullscreenbtn"><img src="'+pixel+'"></div>');
		this.position = $('<div id="'+mvid+'-position"></div>');
		this.scrubber = $('<div id="'+mvid+'-scrubber"></div>');
		this.scrubberp = $('<img id="'+mvid+'-scrubber-playing" src="'+pixel+'" />');
		this.scrubberb = $('<img id="'+mvid+'-scrubber-buffered" src="'+pixel+'" />');
		this.scrubberr = $('<img id="'+mvid+'-scrubber-remaining" src="'+pixel+'" />');
		this.scrubber.append(this.scrubberp);
		this.scrubber.append(this.scrubberb);
		this.scrubber.append(this.scrubberr);
		this.duration = $('<div id="'+mvid+'-duration"></div>');
		//this.returnBtn = $('<img id="'+mvid+'-playlistreturn" src="'+pixel+'" />');

		// attach to video events - play/pause, volume, fullscreen
		var controls = this;
		this.playpause.click(function(){controls.managedVideo.playpause();});
		this.volumebtn.click(function(){controls.managedVideo.mutetoggle();});
		this.fsbtn.click(function(){controls.managedVideo.fullscreentoggle();});
		this.scrubber.click(function(e){controls._onScrubberClick(e);});
		//this.returnBtn.click(function(){controls.managedVideo.playlistReturn();});
	};
	Controls.prototype.setClasses = function() {
		var ext = this.extendedClass;
		var ovpclass = this.managedVideo.ovpconfig['ovp_container_class'];
		var cc = this.controlcontainer; cc.removeClass(); cc.addClass(ovpclass+'-controlcontainer'+ext);
		var cs = this.controlss; cs.removeClass(); cs.addClass(ovpclass+'-controls'+ext);
		var pp = this.playpause; pp.removeClass(); pp.addClass(ovpclass+'-playbtn'+ext); 
		var vb = this.volumebtn; vb.removeClass(); vb.addClass(ovpclass+'-volumebtn'+ext);
		var fsb = this.fsbtn; fsb.removeClass(); fsb.addClass(ovpclass+'-fullscreenbtn'+ext);
		var pos = this.position; pos.removeClass(); pos.addClass(ovpclass+'-position'+ext);
		var scrw = this.scrubber; scrw.removeClass(); scrw.addClass(ovpclass+"-scrubber"+ext);
		var scrp = this.scrubberp; scrp.removeClass(); scrp.addClass(ovpclass+'-scrubber-playing'+ext);
		var scrb = this.scrubberb; scrb.removeClass(); scrb.addClass(ovpclass+'-scrubber-buffered'+ext);
		var scrr = this.scrubberr; scrr.removeClass(); scrr.addClass(ovpclass+'-scrubber-remaining'+ext);
		var dur = this.duration; dur.removeClass(); dur.addClass(ovpclass+'-duration'+ext);
		//var ret = this.returnBtn; ret.removeClass(); ret.addClass(ovpclass+'-playlistbtn'+ext);
	};
	Controls.prototype.setPaused = function() {
		this.playpause.removeClass();
		this.playpause.addClass(this.managedVideo.ovpconfig['ovp_container_class']+'-playbtn'+this.extendedClass);
	}
	Controls.prototype.setPlaying = function() {
		this.playpause.removeClass();
		this.playpause.addClass(this.managedVideo.ovpconfig['ovp_container_class']+'-pausebtn'+this.extendedClass);
	}
	Controls.prototype.setVolumeBtn = function() {
		this.volumebtn.removeClass();
		this.volumebtn.addClass(this.managedVideo.ovpconfig['ovp_container_class']+'-volumebtn'+this.extendedClass);
	}
	Controls.prototype.setMutedBtn = function() {
		this.volumebtn.removeClass();
		this.volumebtn.addClass(this.managedVideo.ovpconfig['ovp_container_class']+'-mutedbtn'+this.extendedClass);
	}
	Controls.prototype.setExtendedClass = function(classext) {
		this.extendedClass = classext;
	}
	Controls.prototype.show = function(fnCallback) {
		var controlcontainer = this.controlcontainer
		//this.returnBtn.fadeIn('fast')
		controlcontainer.fadeIn('fast', fnCallback);
	}
	Controls.prototype.hide = function(fnCallback) {
		var controlcontainer = this.controlcontainer
		//this.returnBtn.fadeOut('fast')
		controlcontainer.fadeOut('fast', fnCallback);
	}
	Controls.prototype.remove = function() {
		var controlcontainer = this.controlcontainer
		controlcontainer.fadeOut('fast', function(){controlcontainer.remove();});
	}
	Controls.prototype.render = function() {
		var vid = this.managedVideo;
		var controlcontainer = this.controlcontainer;
		var controlss = this.controlss;
		//var returnBtn = this.returnBtn;
		this.setClasses();
		this.position.html( this._asTime(vid.getCurrentTime()) );
		this.duration.html( "-"+this._asTime(vid.getDuration()-vid.getCurrentTime()) );
		controlss.append(this.playpause);
		controlss.append(this.volumebtn);
		controlss.append(this.fsbtn);
		controlss.append(this.position);
		controlss.append(this.scrubber);
		controlss.append(this.duration);
		controlcontainer.append(controlss);
		controlcontainer.hide();
		//returnBtn.hide();
		$(vid.getWrapperNode()).append(controlcontainer);
		//$(vid.getWrapperNode()).append(returnBtn);
		controlcontainer.fadeIn('fast');
		//returnBtn.fadeIn('fast');
	};
	Controls.prototype.updateTimeline = function() {
		var mvid = this.managedVideo;
		this.position.html( this._asTime(mvid.getCurrentTime()) );
		this.duration.html( "-"+this._asTime(mvid.getDuration()-mvid.getCurrentTime()) );
		if (mvid.getDuration() > 0)
			this._onProgress(mvid.getCurrentTime(), mvid.getDuration(), mvid.getBytesLoaded(), mvid.getTotalBytes());
	}
	Controls.prototype._onPlaylistReturnClick = function(e) {
		return null;
	}
	Controls.prototype._onScrubberClick = function(e) {
		var posx = e.pageX;
		var posy = e.pageY;
		var scrubber = this.scrubber;
		var L = posx-scrubber.offset().left;
		var W = scrubber.width();
		if (L==0) { return null;}
		var p = (L/W)*this.managedVideo.getDuration(); // point in timeline to seek to
		this.managedVideo.seekTo(p);
		this.updateTimeline();
	}
	Controls.prototype._onProgress = function(playtime, playtotal, bytesLoaded, totalBytes) {
		var totalWidth = this.scrubber.width();
		var progWidth = Math.round((totalWidth/playtotal)*playtime);
		var bufferWidth = Math.round( totalWidth*(bytesLoaded/totalBytes) )-progWidth-1;
		var remainWidth = Math.round(totalWidth-progWidth-bufferWidth-1); //subtract an extra 2 pixels as a buffer for increase/decrease
		// Ensure that the total of all of these does not exceed the container width
		this.scrubberp.width( progWidth+'px' );
		this.scrubberb.width( bufferWidth+'px' );
		this.scrubberr.width( remainWidth+'px' );
	}
	Controls.prototype._asTime = function(t) {
		if (!t) return "00:00";
		t = Math.round(t);
		var s = t % 60;
		var m = Math.floor(t / 60);  
		return this._two(m) + ':' + this._two(s);		
	}
	Controls.prototype._two = function(s) {
		s += "";
		if (s.length < 2) s = "0" + s;
		return s;		
	}

	///////////////////////////////////////////////
	// Video Object
	var Video = function(config) {
		this.ovpconfig = config
		this.videoconfig = {"sources":[]};
		this.renderfunc = function(){};
		this.environment = {};
		this.parentNode = undefined;
		this.wrapperNode = undefined;
		this.player = undefined;
		this.controls = undefined;
		this.replacedContent = undefined;
		this.bytesLoaded = 1;
		this.bytesTotal = 1;
		this.controlsCountdown = config['control_keepalive_seconds'];
		this.controlsState = 'NOTRENDERED';
		var self = this;
		this.t = undefined; // update timer
	};
	/**
	 * starts the update timer for the video.
	 */
	Video.prototype._startCount = function() {
		var self = this; // scoping
		this.t = window.setInterval(function() {
	        if (self.player.ended != true) {
				if (self.controlsState != 'HIDDEN') {
					self.controls.updateTimeline();
				}
	        } else {
				self.controls.setPaused();
	        }
			if ( self.controlsCountdown <= 0 ) {
				if (self.controlsState != 'HIDDEN' && self.controls && self.controls.hide) {
					self.hideControls();
				}
			} else {
				self.controlsCountdown--;
			}
	    }, 1000);		
	}
	/**
	 * stops the update timer for the video
	 */
	Video.prototype._pauseCount = function() {
		window.clearInterval(this.t);
	}
	/**
	 * Returns the id of the video object
	 */
	Video.prototype.getID = function() {
		return this.videoconfig['id'] || generateGuid();
	}
	/**
	 * Returns the video object's parent node reference
	 */
	Video.prototype.getContainer = function() {
		return this.parentNode;
	}
	/**
	 * Gives the video object a standard render function to use for generating
	 * a player.
	 * @param {Function} renderfunc - the render function
	 */
	Video.prototype.setRenderFunction = function(renderfunc) {
		this.renderfunc = renderfunc;
	}
	/**
	 * Parses the configuration of this video from the given video tag
	 * @param {Object} node
	 */
	Video.prototype.parseFromDomNode = function(node) {
		// Parse the video node ourselves
		var sources = node.getElementsByTagName('source');
		for (var i = 0; i < sources.length; i++) {
				var src = {};
				var source = sources[i];
				src['src'] = source.getAttribute('src');
				src['type'] = source.getAttribute('type');
				src['codec'] = source.getAttribute('codec');
				src['bitrate'] = source.getAttribute('bitrate');
				this.videoconfig['sources'].push(src);
		}
		this.videoconfig['posterimg'] = node.getAttribute('poster');
		this.videoconfig['autoplay'] = new Boolean(node.getAttribute('autobuffer'));
		this.videoconfig['autobuffer'] = this.videoconfig['autoplay'];
		this.videoconfig['controls'] = new Boolean(node.getAttribute('controls'));
		this.videoconfig['height'] = node.getAttribute('height');
		this.videoconfig['width'] = node.getAttribute('width');
		this.videoconfig['scalemode'] = 'fit';
		if (!this.videoconfig['id'])
			this.videoconfig['id'] = node.getAttribute('id') || generateGuid();
	}
	
	/**
	 * retrieves the current timeline position of the player
	 */
	Video.prototype.getCurrentTime = function()	{
		return this.player.currentTime || 0;
	}
	
	/**
	 * retrieves the current duration of the player
	 */
	Video.prototype.getDuration = function() {
		return this.player.duration || 0;
	}
	
	/**
	 * retrieves the number of bytes in the buffer
	 */
	Video.prototype.getBytesLoaded = function() {
		return this.bytesLoaded || 0;
	}
	
	/**
	 * retrieves the total number of bytes of the video
	 */
	Video.prototype.getTotalBytes = function() {
		return this.bytesTotal || 0;
	}
	
	/**
	 * retrieves the div wrapper for the video
	 */
	Video.prototype.getWrapperNode = function() {
		return this.wrapperNode;
	}
	
	/**
	 * Returns a boolean indicating if the video object is currently playing
	 */
	Video.prototype.isPlaying = function() {
	    if (this.player.paused == false) return true;
		else return false;
	}

	/**
	 * shows the controls object
	 * @TODO: provide hook for user-supplied controls
	 */
	Video.prototype.showControls = function(fnCallback) {
		if (this.controlsState != 'VISIBLE') {
			if (! this.controls) {
				this.controls = new Controls(this);
				this.controls.render();			
			} else {
				this.controls.show(fnCallback);
				this.controls.updateTimeline();
			}		
			this._startCount();
			this.controlsState = 'VISIBLE';
		}
	}
	
	Video.prototype.hideControls = function(fnCallback) {
		if (this.controlsState != 'HIDDEN') {
			if (this.controls) {
				this.controls.hide(fnCallback);
			}
			this._pauseCount();
			this.controlsState = 'HIDDEN';			
		}
	}

	/**
	 * Toggles between play and pause for this video
	 */
	Video.prototype.playpause = function() {
	    if ( this.isPlaying() ) {
	        this.player.pause();
	        this.controls.setPaused();
	    } else {
	        this.player.play();
			this.controls.updateTimeline();
			this.controls.setPlaying();
	    }
	}
	
	/**
	 * Seeks to a position in the video
	 * @param {Object} seconds
	 */
	Video.prototype.seekTo = function(seconds) {
		this.player.currentTime = seconds;
		return true;
	}
	
	/**
	 * Toggles between muted and unmuted for this video
	 */
	Video.prototype.mutetoggle = function() {
		if (this.player.volume == 0) {
			this.player.volume = 1.0;
			this.controls.setVolumeBtn();
		} else {
			this.player.volume = 0.0;
			this.controls.setMutedBtn();
		}
	}
	
	/**
	 * Toggles fullscreen on and off
	 */
	Video.prototype.fullscreentoggle = function() {
		//sniff for firefox to turn on/off animation because it's broken in FF
		var userAgent = navigator.userAgent.toLowerCase();
		var ff = (/mozilla/.test (userAgent) && !/(compatible|webkit)/.test(userAgent)) ? true : false;

		if (this.player.webkitSupportsFullscreen) {
			this.player.controls = true;
			this.player.webkitEnterFullScreen();
			return
		}
		var p = $(this.wrapperNode);
		var wind = $(window);
		var self = this;
		var env = this.environment;
		var controls = this.controls;
		this.goingFullScreen = true;

		if (this.environment.inFullscreen != true) {                                    
			this.environment.inFullscreen = true;
			if (!ff) {
				p.css('position', 'absolute');
				p.css('z-index', '99');
			}
			env.playerHeight = p.height();
			env.playerWidth = p.width();
			env.playerLeft = p.offset().left;
			env.playerTop = p.offset().top;
			env.windowHeight = wind.height();
			env.windowWidth = wind.width();
			env.scrollTop = wind.scrollTop();
			env.scrollLeft = wind.scrollLeft();
			this.hideControls(function(){
				var oncomplete = function(){
			        // switch control classes to fullscreen
					controls.setExtendedClass('-fs');
					controls.setClasses();
					if ( self.isPlaying() ) controls.setPlaying();
					else controls.setPaused();
					self.showControls();
					if (!ff) {
						p.removeClass();
						p.addClass(self.ovpconfig.ovp_container_class+'-video-wrapper-fs'); // set fullscreen class on wrapper
					}
					self.goingFullScreen = false;					
				};
				if (ff) {
					p.width(env.windowWidth+'px');
					p.height(env.windowHeight+'px');
					wind.scrollTop(p.offset().top);
					wind.scrollLeft(p.offset().left);
					oncomplete();
				} else {
					p.css('position', 'absolute');
					p.animate({width: '100%', height: '100%', left:0, top:0}, {duration: 400,complete: oncomplete });
				}
			});
	    } else {
			this.environment.inFullscreen = false;
			p.css('position', '');p.css('left', '');p.css('top', '');p.css('z-index','');
			this.hideControls(function(){
				var oncomplete = function() {
					// switch control classes to normal
					controls.setExtendedClass('');
					controls.setClasses();
					if ( self.isPlaying() ) controls.setPlaying();
					else controls.setPaused();
					self.showControls();
					if (!ff) {
						p.removeClass();
						p.addClass(self.ovpconfig.ovp_container_class+'-video-wrapper'); // set normal class on wrapper
					}
					self.goingFullScreen = false;
				};
				if (ff) {
					p.width(env.playerWidth+'px');
					p.height(env.playerHeight+'px');
					wind.scrollTop(env.scrollTop);
					wind.scrollLeft(env.scrollLeft);
					oncomplete();
				} else {
					p.css('position', ''); //reapply the class instead
					p.animate({width:self.environment.playerWidth, height:self.environment.playerHeight}, {duration:'fast',complete:oncomplete});
				}
			});
	    }
	}
	
	/**
	 * sets up fader events on the controls.  This is how the controls fade in/out
	 */
	Video.prototype.setupFader = function() {
		var self = this;
		var controls = this.controls;
		var p = $(this.wrapperNode);
		p.mousemove(function(){
			if ( ! self.goingFullScreen ) {
				self.controlsCountdown = self.ovpconfig['control_keepalive_seconds'];
				self.showControls();
			}
		});
		p.mouseleave(function(){
			if (!self.goingFullScreen) {
				self.hideControls();
			}
		});
	}
	
	/**
	 * determines what, if anything, the video thinks it can play based on what it knows
	 * about the media available. Overridden in each subclass.
	 * @returns Array of objects or false if nothing can be played
	 */
	Video.prototype.canPlay = function() {
		// this will be overridden so just say we'll play everything in the base-class
		var retval = [];
		var sources = this.videoconfig.sources;
		for (var i=0; i<sources.length; i++) {
			var source = sources[i];
			var bitrate = source.bitrate || 0;
			retval.push({'src':source.src, 'ismbr':false, 'bitrate':bitrate, 'type':source.type, 'codecs':source.codecs});
		}
		// return false or an array of objects		
		return ( retval.length ==0 ) ? false : retval;		
	}
	
	/**
	 * renders a player to the given node starting with a poster image
	 */
	Video.prototype._createPoster = function(callbackfn) {
		var self = this;
		var node = this.wrapperNode;
		var ud = $('<div style="height:100%;width:100%;min-height:100%;min-width:100%;background:url('+this.videoconfig.posterimg+') no-repeat center black;"></div>');
		node.append(ud);
		ud.fadeTo('slow', 0.4);
		var playcords = {
			top: ((this.videoconfig['height'] / 2) - 40),
			left: ((this.videoconfig['width'] / 2) - 40)
		}
		var playbtn = $('<img style="top:'+playcords.top+'px;left:'+playcords.left+'px;" id="'+this.videoconfig.id+'-bigplaybtn" class="'+this.ovpconfig.ovp_container_class+'-bigplaybtn" src="'+this.ovpconfig.controls.src_img+'"/>');
		playbtn.mouseenter(function(){ud.fadeTo('fast', 1.0)});
		playbtn.mouseleave(function(){ud.fadeTo('fast',0.4);});
		playbtn.click(callbackfn);
		node.append(playbtn);
	}

	/**
	 * Restores the video element to it's pre-render state
	 */
	Video.prototype.playlistReturn = function() {
		return null;
	}

	/**
	 * renders the poster and calls the object's renderfunc method to render the player
	 */
	Video.prototype.render = function(node) {
		// if it's a browser we'll render a fake poster otherwise no
		node = $(node);
		this.parentNode = node.parent();
		/*
		var div = $('<div id="'+this.videoconfig['id']+'" class="'+this.ovpconfig.ovp_container_class+'-video-wrapper'+'"></div>');
		this.wrapperNode = div;
		node.replaceWith(div);
		*/
		node.html('');
		node.show();	//ensure it is visible  now that it's empty
		node.addClass(this.ovpconfig.ovp_container_class+'-video-wrapper');
		this.wrapperNode = node;
		///
		if (isIDevice() || this.ovpconfig['immediately']) {
			this._renderImmediately();
		} else {
			this._renderWithPoster();
		}
	}

	//////////////////////////////////////////////////////////////////
	// SilverlightVideo Object
	//////////////////////////////////////////////////////////////////
	/**
	 * Create a SilverlightVideo object, decended from the Base Video class
	 * @param {Object} config
	 */
	var SilverlightVideo = function(config){
		SilverlightVideo.baseConstructor.call(this,config);
	};
	extend(SilverlightVideo, Video);

	SilverlightVideo.prototype.canPlay = function() {
		var retval = [];
		var sources = this.videoconfig.sources;
		for (var i=0; i<sources.length; i++) {
			var source = sources[i];
			var src = source.src;
			var bitrate = source.bitrate || 0;
			var url_qs_parts = src.split("?");
			var path_parts = String(url_qs_parts[0]).split('/');
			var extension = String(_getExtension(path_parts[path_parts.length-1]));
			// look for known extensions
			if ( arrayContains(extension, ['asf','wmv','wma'])) { retval.push({'src':src,'ismbr':false,'srctype':'mediasource', 'type':source.type, 'codecs':source.codecs});}
			else if ( arrayContains(extension, ['asx','wvx','wax'])) { retval.push({'src':src,'ismbr':false,'srctype':'refsource', 'type':source.type, 'codecs':source.codecs});}
			else if ( arrayContains(extension, ['ism/manifest','ism\\manifest']) ) { retval.push({'src':src,'ismbr':true,'srctype':'mediasource', 'type':source.type, 'codecs':source.codecs}); }
			else if ( arrayContains(extension, ['mp4','m4a','m4v','mp3']) ) {
				//check the protocol
				var protocol = src.split('://')[0];
				if ( arrayContains(protocol, ['http','https'])) { retval.push({'src':src,'ismbr':false,'srctype':'mediasource', 'type':source.type, 'codecs':source.codecs}); }
			}
		}
		// return false or an array of objects		
		return ( retval.length ==0 ) ? false : retval;
	}

	//////////////////////////////////////////////////////////////////
	// HTML5Video Object
	//////////////////////////////////////////////////////////////////
	/**
	 * Create an HTML5Video object, decended from the Base Video class
	 * @param {Object} config
	 */
	var HTML5Video = function(config){
		HTML5Video.baseConstructor.call(this,config);
	};
	extend(HTML5Video, Video);
	
	/**
	 * assigns any events that are specific to the html5 player
	 */
	HTML5Video.prototype._assignEvents = function() {
		var self = this;
		// Track loaded bytes (could also compute and store rate here as well)
		_addEvent(this.player, 'progress', function(evt) {
			self.bytesLoaded = evt.loaded;
			self.bytesTotal = evt.total;
		});
	}

	/**
	 * Determines if ths object can play based on what's in the sources config
	 */	
	HTML5Video.prototype.canPlay = function() {
		var retval = [];
		var sources = this.videoconfig.sources;
		var userAgent = navigator.userAgent.toLowerCase();
		var FF = (/mozilla/.test (userAgent) && !/(compatible|webkit)/.test(userAgent)) ? true : false;
		for (var i=0; i<sources.length; i++) {
			var source = sources[i];
			var src = source.src;
			var bitrate = source.bitrate || 0;
			var url_qs_parts = src.split("?");
			var path_parts = String(url_qs_parts[0]).split('/');
			var extension = String(_getExtension(path_parts[path_parts.length-1]));
			var protocol = src.split('://')[0];
			//check the protocol
			if ( arrayContains(protocol, ['http','https'])) {
				// look for known extensions specific to browsers that support some chosen media types
				if ( (!FF) && arrayContains(extension, ['mp4','m4a','m4v','mp3']) ) {
					retval.push({'src':src,'ismbr':false,'srctype':'mediasource','type':source.type,'codecs':source.codecs});
				} else if ( (FF) && arrayContains(extension, ['ogg','oga','ogv']) ) {
					retval.push({'src':src,'ismbr':false,'srctype':'mediasource','type':source.type,'codecs':source.codecs});
				} else if ( (!FF) && extension == 'm3u8' && (isOSX106OrHigher() || isIDevice()) ) {
					retval.push({'src':src,'ismbr':true,'srctype':'refsource','type':source.type,'codecs':source.codecs});
				}
			}
		}
		// return false or an array of objects		
		return ( retval.length ==0 ) ? false : retval;
	}
	
	/**
	 * Internal render function used to actually create the video tag
	 */
	HTML5Video.prototype._render = function() {
		var vidHTML = '<video id="'+this.videoconfig.id+'" class="'+this.ovpconfig.ovp_container_class+'-video" poster="'+this.videoconfig.posterimg+'" ';
		vidHTML += ( isIDevice() ) ? 'controls >' : '>';
		for (var x=0;x<this.videoconfig.sources.length;x++) {
			var src = this.videoconfig.sources[x];
			vidHTML += '<source src="'+src['src']+'"';
			if (src.type) vidHTML += ' type="'+src['type'];
			vidHTML += '"/>';
		}
		vidHTML += '</video>';
		var video = $(vidHTML);
		video.hide();
		this.wrapperNode.append(video);
		video.fadeIn('fast');
		this.player = video.get(0);				
		return video;
	}
	
	/**
	 * renders a player to the given node starting with a poster image
	 */
	HTML5Video.prototype._renderWithPoster = function() {
		var self = this;
		var node = this.wrapperNode;
		this._createPoster(function(){
			node.children().fadeOut('fast');
			node.empty();	// clear the contents of the node
			self._render();
			self._assignEvents();
			if (self.videoconfig.controls) {
				self.showControls();
				self.setupFader();
			}
			if (self.videoconfig.autobuffer || self.videoconfig.autoplay) {
				self.playpause();
			}
		});
	}
	
	HTML5Video.prototype._renderImmediately = function() {
		this._render();
		if ( !isIDevice() ) {
			this._assignEvents();
			if (this.videoconfig.controls) {
				this.showControls();
				this.setupFader();
			}
			if (this.videoconfig.autobuffer || this.videoconfig.autoplay) {
				this.playpause();
			}
		}
	}
	
	//////////////////////////////////////////////////////////////////
	// FlashVideo Object
	//////////////////////////////////////////////////////////////////
	/**
	 * Create an FlashVideo object, decended from the Base Video class
	 * @param {Object} config
	 */
	var FlashVideo = function(config){
		FlashVideo.baseConstructor.call(this,config);
	};
	extend(FlashVideo, Video);

	/**
	 * example of how to override a method in the superclass
	 */	
	FlashVideo.prototype.fullscreentoggle = function() {
		FlashVideo.superClass.fullscreentoggle.call(this);
	}
	
	FlashVideo.prototype.isPlaying = function() {
	    if ( this.player.getFlashMediaProperty('paused') ) return false;
		else return true;
	}

	FlashVideo.prototype.mutetoggle = function() {
		if (this.player.getFlashMediaProperty('volume') == 0) {
			this.player.setFlashMediaProperty("volume", 1.0);
			this.controls.setVolumeBtn();
		} else {
			this.player.setFlashMediaProperty("volume", 0.0);
			this.controls.setMutedBtn();				
		}
	}
	/**
	 * retrieves the current timeline position of the player
	 */
	FlashVideo.prototype.getCurrentTime = function() {
		return (this.player.getFlashMediaProperty) ? this.player.getFlashMediaProperty("currentTime") || 0 : 0;
		if (this.player.getFlashMediaProperty) {
			return this.player.getFlashMediaProperty("currentTime") || 0;
		} else {
			return 0;
		}
	}
	
	/**
	 * retrieves the current duration of the player
	 */
	FlashVideo.prototype.getDuration = function() {
		return (this.player.getFlashMediaProperty) ? this.player.getFlashMediaProperty("duration") || 0 : 0
		if (this.player.getFlashMediaProperty) {
			return this.player.getFlashMediaProperty("duration") || 0;
		} else {
			return 0;
		}
	}
	
	FlashVideo.prototype.seekTo = function(seconds) {
		this.player.setFlashMediaProperty("currentTime", seconds);
		return true;
	}
	
	/**
	 * Toggles between play and pause for this video
	 */
	FlashVideo.prototype.playpause = function() {
	    if ( this.isPlaying() ) {
	        this.player.pauseFlashMedia();
	        this.controls.setPaused();
	    } else {
	        this.player.playFlashMedia();
			this.controls.updateTimeline();
			this.controls.setPlaying();
	    }
	}

	FlashVideo.prototype.canPlay = function() {
		var retval = [];
		var sources = this.videoconfig.sources;
		for (var i=0; i<sources.length; i++) {
			var source = sources[i];
			var src = source.src;
			var bitrate = source.bitrate || 0;
			var url_qs_parts = src.split("?");
			var path_parts = String(url_qs_parts[0]).split('/');
			var extension = String(_getExtension(path_parts[path_parts.length-1]));

			// look for known extensions
			if ( arrayContains(extension, ['flv','f4v','f4f'])) { retval.push({'src':src,'ismbr':false,'srctype':'mediasource','type':source.type,'codecs':source.codecs});}
			else if ( arrayContains(extension, ['smi','smil'])) { retval.push({'src':src,'ismbr':true,'srctype':'refsource','type':source.type,'codecs':source.codecs});}
			else if ( arrayContains(extension, ['mp4','m4a','m4v','mp3']) ) { retval.push({'src':src,'ismbr':false,'srctype':'mediasource','type':source.type,'codecs':source.codecs}); }
		}
		// return false or an array of objects		
		return ( retval.length ==0 ) ? false : retval;
	}

	/**
	 * internal method call used for rendering the actual player
	 */
	FlashVideo.prototype._render = function(callbackfn) {
		var sources = this.canPlay();
		if (!sources) { return false; } //drop out if sources comes back false
		var div_id = generateGuid();
		var videoconf = this.videoconfig;
		var div = $('<div id="'+div_id+'">')
		this.wrapperNode.append(div);
		var source = sources[0];		
		//using swfobject new
		var flashvars = {'src':source.src,
						//'autostart':videoconf.autobuffer,
						'mode':videoconf.playlistmode,
						'scaleMode':videoconf.scalemode};
		var params = {'allowfullscreen':true, 'allowscriptaccess':'always', 'wmode':'transparent'};
		var attributes = {'id':videoconf.id,'class':this.ovpconfig.ovp_container_class+"-video"};
		swfobject.embedSWF(this.ovpconfig.players.Flash.src, div_id, videoconf.width, videoconf.height, this.ovpconfig.players.Flash.minver, '', flashvars, params, attributes, callbackfn);
	}
	
	/**
	 * renders a player/controls starting with a poster image
	 */
	FlashVideo.prototype._renderWithPoster = function() {
		var self = this;
		var sources = this.canPlay();
		if (!sources) { return false; } //drop out if sources comes back false
		var node = this.wrapperNode;
		this._createPoster(function(){
			node.children().fadeOut('fast');
			node.empty();	// clear the contents of the node
			//render the player
			self._render(function(ret){
				var source = sources[0];
				function finishFunc(){
					var player = ret.ref;
					if (!player.setFlashMediaProperty) { // look for flash to have exposed the interface and call ourselves if it has not yet.
						window.setTimeout(finishFunc, 100);
						return false;
					}
					player.setFlashMediaProperty("src", source.src);
					self.player = player;
					if (self.videoconfig.controls) {
						self.showControls();
						self.setupFader();
					}
					if (self.videoconfig.autobuffer || self.videoconfig.autoplay) {
						//Flash starts playing automatically so just set the fact that we're playing into the controls
						self.controls.setPlaying(); 
					}
				}
				window.setTimeout(finishFunc, 100);
			});			
		});
	}
	
	/**
	 * immediately renders a player and possibly controls
	 */
	FlashVideo.prototype._renderImmediately = function() {
		var self = this;
		var sources = this.canPlay();
		if (!sources) { return false; } //drop out if sources comes back false
		self._render(function(ret){
			var source = sources[0];
			//ANOTHER CALLBACK to wait for flash to be ready
			function finishFunc(){
				var player = ret.ref;
				if (!player.setFlashMediaProperty) { // look for flash to have exposed the interface and call ourselves if it has not yet.
					window.setTimeout(finishFunc, 100);
					return false;
				}
				player.setFlashMediaProperty("src", source.src);
				self.player = player;
				if (self.videoconfig.controls) {
					self.showControls();
					self.setupFader();
				}
				if (self.videoconfig.autobuffer || self.videoconfig.autoplay) {
					//Flash starts playing automatically so just set the fact that we're playing into the controls
					self.controls.setPlaying(); 
				}
			}
			window.setTimeout(finishFunc, 100);
		});
	}
	
	///////////////////////////////////////////////
	// Utility functions
	/**
	 * extends a subClass type from a baseClass type
	 * @param {Object} subClass
	 * @param {Object} baseClass
	 */
	function extend(subClass, baseClass) {
	   function inheritance() {}
	   inheritance.prototype = baseClass.prototype;
	   subClass.prototype = new inheritance();
	   subClass.prototype.constructor = subClass;
	   subClass.baseConstructor = baseClass;
	   subClass.superClass = baseClass.prototype;
	}

	/**
	 * adds a replace method much like append or prepend but handling the
	 * behavior of a dom-element's replaceChild method
	 */
	jQuery.fn.replace = function() {
	    var stack = [];
	    return this.domManip(arguments, true, 1, function(a){
	        this.parentNode.replaceChild( a, this );
	        stack.push(a);
	    }).pushStack( stack );
	};

	/**
	 * determines if the user-agent is an iDevice such as iPhone/iPod/iPad
	 * returns {boolean} true if it's an idevice
	 */
	function isIDevice() {
		if ( navigator.userAgent.match(/iPhone/i) ) return true;
		if ( navigator.userAgent.match(/iPod/i) ) return true;
		if ( navigator.userAgent.match(/iPad/i) ) return true;
		return false;
	}
	
	function isOSX106OrHigher() {
		var UA = String(navigator.userAgent.match(/Intel Mac OS X 10_6/));
		if ( !UA ) return false;
		var versmaj = UA.split('_')[0].split(' ')[4];
		var versmin = UA.split('_')[1];
		return ( (versmaj==10 && versmin>=6) || (versmaj>10) ) ? true : false;
	}

	/**
	 * Event adding.  Produces a dynamic function
	 * @param el {Node} the node to add the event to
	 * @param type {String} the event type to attach to
	 * @param fn {function} the function to execute
	 */
	_addEvent = (function () {
	  if (document.addEventListener) {
	    return function (el, type, fn) {
	      if (el && el.nodeName || el === window) {
	        el.addEventListener(type, fn, false);
	      } else if (el && el.length) {
	        for (var i = 0; i < el.length; i++) { addEvent(el[i], type, fn); }
	      }
	    };
	  } else {
	    return function (el, type, fn) {
	      if (el && el.nodeName || el === window) {
	        el.attachEvent('on' + type, function () { return fn.call(el, window.event); });
	      } else if (el && el.length) {
	        for (var i = 0; i < el.length; i++) { addEvent(el[i], type, fn); }
	      }
	    };
	  }
	})();

	/**
	 * Recursively merges two config objects 
	 * @param {Object} base - the base config (default)
	 * @param {Object} ext - the extending config
	 */
	function mergeConfigs(base, ext) {
		for (var p in ext) {
			try {
				// Property in destination object set; update its value.
				if ( ext[p].constructor==Object ) {
					base[p] = mergeConfig(base[p], ext[p]);
				} else {
					base[p] = ext[p];
				}
			} catch(e) {
				// Property in destination object not set; create it and set its value.
				base[p] = ext[p];
			}
		}
		return base;
	}

	/**
	 * Detects if an object is a string
	 * @param {Object} object
	 */
	function isString(object) {
		return Object.prototype.toString.call(object) === '[object String]';
	}


	/**
	 * Determines if the given element is in the given array
	 * @param element {Object} the element to look for in the array
	 * @param arr {array} the array to search
	 * @returns {Boolean}
	 */
	function arrayContains(element, arr) {
		for (var i=0;i<arr.length;i++) {
			if (arr[i] == element) { return true; }
		}
		return false;
	};
	
	/**
	 * Generates a GUID-like string using the most common approach
	 */
	function generateGuid() {
		var S4 = function() {
		   return (((1+Math.random())*0x10000)|0).toString(16).substring(1);
		}
	   return (S4()+S4()+"-"+S4()+"-"+S4()+"-"+S4()+"-"+S4()+S4()+S4());
	}

	/**
	 * accepts a jfeeditem object and returns a video configuration
	 * @param {Object} item
	 */
	function item_to_videoconfig(item) {
		conf = {
			'sources':[],
			'posterimg':'',
			'autoplay':true,
			'autobuffer':true,
			'controls':true,
			'height':'354',
			'width':'640',
			'scalemode':'fit',
			'id':'someid'	
		};
		conf.posterimg = item.thumbnail;
		conf.id = item.id;
		var files = item.getFiles();
		for (var x=0;x<files.length;x++) {
			var file = files[x];
			var src = {'src':file.src,'type':file.type};
			conf.sources.push(src);
		}
		return conf;
	}
	
	/**
	 * parses the file extension from a filename
	 * @param filename {String} the filename
	 * @returns {String} the extension (excluding the .)
	 */
	function _getExtension(filename) {
		var fparts = filename.split('.');
		if (fparts.length == 1) return null;
		return fparts[fparts.length-1];
	}
		
	/***********************************************************************/
	/**************************Object***************************************/
	/***********************************************************************/
	///////////////////////////////////////////////
	// OVP Object
	/**
	 * The ovp object constructor, called internally and set as a page global.
	 */
	var _ovp = function(){
		this._config = DEFAULTS;
		this._defaults = DEFAULTS;
		this.product_info = PRODUCT_INFO;
	}
	
	/**
	 * Merges a config into the current config
	 * @param {Object} config - the config variables to pull in
	 */
	_ovp.prototype.init = function(config) {
		this._config = mergeConfigs(mergeConfigs(DEFAULTS, this._config), config);
	};

	/**
	 * Renders the player to the given node ID.  The children of this node will
	 be replaced so be warned.
	 * @param {Object} id The id of where to render the video
	 * @param {Object} videoconf The video configuration to render
	 */
	_ovp.prototype.render = function(element, videoconf){
		if (isString(element)) element = document.getElementById(element);
		if (!element) return;
		if (element) {
			this._playerRender(element, videoconf);
		}
	};

	/**
	 * Adopts all of the video tags on a page
	 * @param {String} selector - the selector syntax of the node(s) to adopt
	 */
	_ovp.prototype.adopt = function(){
		var videos = document.body.getElementsByTagName('video');
		for (var i=0;i<videos.length;i++) {
			this._playerRender(videos[i]);
		}
	};
	
	/**
	 * Renders the Feed Display class to the given node ID.  This will download the
	 * feed url and use its contents to add items to a particular location as a
	 * content-slider.
	 * @param {String} id - the id of the element where you would like to render the feed display
	 * @param {Object} feedUrl - the url of the feed to use (must meet sandbox restrictions)
	 */
	_ovp.prototype.renderFeed = function(id, feedUrl) {
		var me = this;	//scoping for "this"
	    jQuery.getFeed({
	        url: feedUrl,
	        success: function(feed) {
				var items = $('<ul></ul>');
				var html = '';
				var el = $('#'+id);
	            for (var i = 0; i < feed.items.length; i++) {
					html = '';
					var item = feed.items[i];
					var l_item = $('<li style="position:relative;background-image:url('+item.thumbnail+');background-repeat:no-repeat;" id="'+item.id+'" ></li>');
					l_item.bind('click', {'item': item}, function(e){
						el.fadeOut('fast', function(){ //fade out and call render
							me.render(el.get(0), item_to_videoconfig(e.data.item))
						});
					});
					html += '<div style="position:absolute;top:0px;left:0px;height:100%;width:100%;"><img src="'+item.thumbnail+'" style="height:100%;width:100%;"></div><h2 style="background:black;opacity:.6;color:white;margin-bottom:0px;padding:.5em;">'+item.title+'</h2>';
					html += '<h3 style="background:black;opacity:.6;color:white;margin-top:0px;padding:.5em;">'+item.description+'</h3></li>';
					l_item.append($(html));
					items.append(l_item);
				}
				var player = $('<div class="feedSlider"></div>').append($('<div class="wrapper"></div>').append(items));
				el.append(player);
				//player.anythingSlider();
				player.feedSlider();
	        }
	    });
	}
		
	_ovp.prototype._playerRender = function(node, videoconf) {
		//decide what player best to add based on the config and capabilities
		var player = this._pluginCaller('strategy');
		if ( player && this._getPlayerTestFunction(player)() ) {
			var video = this._getVideoObject(player)
			video.render(node);
		} else {
			//determine a player, the plugin didn't give us one
			for (var x=0;x<this._config.strategy.order.length;x++) {
				player = this._config.strategy.order[x];
				if ( player && this._getPlayerTestFunction(player)(this._config.players[player].minver) ) {
					// The player seems to be able to handle the environment, now what about the video config
					var video = this._getVideoObject(player)
					if (videoconf) {
						video.videoconfig = videoconf;
					} else {
						video.parseFromDomNode(node);
					}
					if ( video.canPlay() ) {
						video.render(node);
						break;
					}
				}
			}
		}
	};
		
	/**
	 * Factory method, returns a testing function for the given type
	 * @param {String} type - the type to check for
	 */
	_ovp.prototype._getPlayerTestFunction = function(type) {
		var pluginTestFunc = this._pluginCaller('gettestfunction', type);
		if (pluginTestFunc){
			return pluginTestFunc;
		} else if (type == 'Flash') {
			return this.isFlashSupported;
		} else if (type == 'Silverlight') {
			return this.isSilverlightSupported;
		} else if (type == 'HTML5') {
			return this.isHTML5Supported;
		}
		return function(){return false;};
	}
	
	/**
	 * Factory method, returns a video object for the given type
	 * @param {String} type - the type to check for
	 */
	_ovp.prototype._getVideoObject = function(type) {
		var pluginVideoObject = this._pluginCaller('getvideoobject', type);
		if (pluginVideoObject) {
			return pluginVideoObject
		} else if (type == 'Flash') {
			return new FlashVideo(this._config);
		} else if (type == 'Silverlight') {
			return new SilverlightVideo(this._config);
		} else if (type == 'HTML5') {
			return new HTML5Video(this._config);
		}
		return function(){new Video(this._config);};
	}
	
	/**
	 * Detects browser support for the video tag.
	 * @returns {boolean} the result of the test
	 */
	_ovp.prototype.isHTML5Supported = function(minver){
		var vidtest = document.createElement('video');
		return (('controls' in vidtest));
	};
	
	/**
	 * Detects browser support for Flash, uses swfobject's built in detection.
	 * @returns {boolean} the result of the test
	 */
	_ovp.prototype.isFlashSupported = function(minver){
		return swfobject.hasFlashPlayerVersion(minver);
	};
	
	/**
	 * Detects browser support for Silverlight, uses silverlight.js's built in
	 * detection.
	 * @returns {boolean} the result of the test
	 */
	_ovp.prototype.isSilverlightSupported = function(minver){
		return Silverlight.isInstalled(minver);
	};
		
	/**
	 * Finds the appropriate plugin from the plugins config on the object and
	 * manages the calling to/from the plugin.
	 * @param {String} hookname The name of the plugin hook to target.
	 */
	_ovp.prototype._pluginCaller = function(hookname) {
		for (var i=0;i<this._config.plugins.length;i++){
			var plugin = this._config.plugins[i];
			if (plugin['hook'] == hookname) {
				return plugin['ref'](arguments);
			}
		}
		return null;
	}
	
	///////////////////////////////////////////////
	// Default Configuration
	var DEFAULTS = {
		"controls": {
			'src_img':'images/pixel.png'	// the path to a transparent pixel to use for buttons (we set the actual button image with the css background)
		},
		"players": {
			"Flash":{"src":"ovp.swf","minver":"9","controls":true},
			"Silverlight":{"src":"ovp.xap","minver":"2","controls":true},
			"HTML5":{"minver":"0","controls":true}
		},
		"strategy":{
			"order":["HTML5","Flash","Silverlight"]	// Case is important
		},
		"plugins":[
			{"hook":"parsevideotag", "ref":function(){}},
			{"hook":"strategy", "ref":function(){}},
			{"hook":"gettestfunction", "ref":function(){return null;}},
			{"hook":"getrenderfunction", "ref":function(){return null;}},
			{"hook":"getvideoobject", "ref":function(){}},
			{"hook":"addplayer", "ref":function(){}}

		],
		"ovp_container_class":"ovp",	// this classname is prepended to all css classes
		"control_keepalive_seconds":5,	// The approximate number of seconds until controls fade out with no mouse movement
		"immediately": false			// Will the player render immediately when player-render fires or will it start with a poster image
	};
	
	// Expose OVP to the global window
	window.ovp = new _ovp();
})(window);