// PUBLIC

function viewNode (media_id, params) {
  document.write(getDurationedMediaViewer(media_id, params));
}

function viewSlideshow (video_id, params) {
  params.slideshow = true;
  params.server_detection = true;
  document.write(getVideoViewer(video_id, params));
}

function getVideoViewer (video_id, params) {
  return getDurationedMediaViewer(video_id, params);
}

function viewAlbum (album_id, params) {
  document.write(getAlbumViewer(album_id, params));
}



// DEPRECATED
// Customers should not use these functions, and should replace any
// existing references to them with the public functions above.

function getPlaylistViewer (playlist, params) {
  return getVideoViewer(playlist[0]['video_id'], params);
}

function viewList (playlist, params) {
  document.write(getPlaylistViewer(playlist, params));
}

// (internal use)
var playlistCount;
function getPlaylist (playlist_id, params) {
  if (playlistCount === undefined) {
    playlistCount = 1;
  } else {
    playlistCount += 1;
  }
  if (!params) {
    params = {};
  }
  if (!params.width) {
    params.width = 320;
  }
  if (!params.player_height) {
    params.player_height = 263;
  }
  if (!params.carousel_height) {
    params.carousel_height = 100;
  }
  var playerObjectId = "embedded_playlist_player";
  if (playlistCount > 1) {
    playerObjectId += playlistCount;
  }
  var playlistObjectId = "embedded_playlist";
  if (playlistCount > 1) {
    playlistObjectId += playlistCount;
  }
  var feedUrl = getBaseUrl() + '/playlists/' + encodeURIComponent(playlist_id) +
    '.rss';
  var out = '<object data="' + getBaseUrl() + '/plugins/player.swf" \
type="application/x-shockwave-flash" width="' + escape(params.width) + '" \
height="' + escape(params.player_height) + '" \
name="' + playerObjectId + '" id="' + playerObjectId + '">\
<param name="allowfullscreen" value="true"/>\
<param name="allowscriptaccess" value="always"/>\
<param name="base" value="' + getBaseUrl() + '"/>\
<param name="bgcolor" value="#000000"/>\
<param name="flashVars" value="feed=' + feedUrl + '\
&playlistObjectId=' + playlistObjectId + '"/>\
<param name="movie" value="' + getBaseUrl() + '/plugins/player.swf"/>\
</object>\
<br/>\
<object data="' + getBaseUrl() + '/plugins/carousel.swf" \
width="' + escape(params.width) + '\
" height="' + escape(params.carousel_height) + '\
" type="application/x-shockwave-flash" id="' + playlistObjectId + '">\
<param name="allownetworking" value="all"/>\
<param name="allowscriptaccess" value="always"/>\
<param name="bgcolor" value="#000000"/>\
<param name="flashVars" value="feed=' + feedUrl + '\
&playerObjectId=' + playerObjectId + '"/>\
<param name="movie" value="' + getBaseUrl() + '/plugins/carousel.swf"/>\
<param name="quality" value="high"/>\
</object>';
  return out;
}



// INTERNAL
// Customers should not use any code below this point.

var VERSION = '22.3.0';
var CDN_OFF = true;

var OVERRIDABLE_FLASHVARS = [ 'auth_token', 'ga_user', 'logo_image_url',
  'subtitle_language', 'player_profile' ];

var additionalFlashvars = {};

var main_video_played = true; //true by default without ads
var preroll_played = false;
var src_params;

MediaService = {
  getAlbumViewer: function (album_id, params) {
    if (!params) {
      params = {};
    }
    if (!params.width) {
      params.width = 800;
    }
    if (!params.height) {
      params.height = 600;
    }
    var srcUrl = getBaseUrl() + '/albums/' + album_id + '?iframe_width=' +
      params.width + '&iframe_height=' + params.height;
    if (params.image_profile) {
      srcUrl += "&p="+params.image_profile;
    }
    return '<iframe width="' + escape(params.width) + '" height="' +
      escape(params.height) + '" frameborder="0" src="' + srcUrl + '"></iframe>';
  },

  getDurationedMediaViewer: function (video_id, params) {
    if (!video_id) { return "No video ID"; }
    params = getDefaultParams(params);
    var src_params = getSrcParams(video_id, params) + '&version=' + VERSION;
    var srcUrl = getSrcUrl(video_id, params) + '?voxtoken=system&' + src_params;
    var paramsType = (typeof params.server_detection);

    if (paramsType === "boolean") { return jsEmbed(params, srcUrl); }

    //legacy
    if (mobileBrowser() == "Safari") {
      return videoTag(video_id, params.width, params.height,
        params.mobile_format_name, false);
    } else if (mobileBrowser()) {
      return downloadLink(video_id, params.width, params.height,
        params.mobile_format_name);
    }
    return iframeTag(params.width, params.height, srcUrl);
  },

  getDefaultParams: function (params) {
    if (!params) {
      params = {};
    }
    if (params.server_detection !== true) {
      if (!params.height) {
        params.height = 263;
      }
      if (!params.width) {
        params.width = 320;
      }

    }
    return params;
  },

  jsEmbed: function (params, srcUrl) {
   if (params.server_detection === true) {
     addAdditionalFlashVars(params);
     return serverTag(srcUrl);
   } else if (params.server_detection === false) {
     return "";
   }
  },

  addAdditionalFlashVars: function (params) {
    for (var key in params) {
      if (key.indexOf('reporting_fields[') === 0 ||
          MediaService.hasElement(OVERRIDABLE_FLASHVARS, key)) {
        additionalFlashvars[key] = params[key];
      }
    }
  },

  hasElement: function (arr, element) {
    for (var i=0; i<arr.length; i++) {
        if (arr[i] === element) {
            return true;
        }
    }
    return false;
  },

  serverTag: function (u) {
    return '<script type="text/javascript" charset="utf-8" src="'+u+'"></script>';
  },


  getSrcParams: function (video_id, params) {
    src_params = getCommonParamsString(params);
    if (params.asset_id) {
      src_params += "&asset_id=" + params.asset_id;
    }
    if (params.video_format_name) {
      src_params += "&video_format_name=" + params.video_format_name;
    }
    //server detection should always be true for audio/track embed.
    if (video_id.charAt(0) == 't') {
      params.server_detection = true;
    }
    src_params += "&userAgent="+getSimplifiedUserAgent();
    if (params.server_detection === true) {
      params["userAgent"] = getSimplifiedUserAgent();
      //append the current url to use with stats
      var currentUrl = getCurrentUrl();
      src_params += "&currentUrl=" + currentUrl;
      params.currentUrl = currentUrl;
      //flash version
      params.flash = getFlashVersion();
      src_params += "&flash=" + params.flash;
      params.html5 = getHTML5VideoEnabled();
      src_params += "&html5=" + params.html5;
      params.silverlight = getSilverlightVersion();
      src_params += "&silverlight=" + params.silverlight;
      if (params.silverlight_player == "jwplayer"){
        src_params += "&silverlight_player=" + params.silverlight_player;
      }
      if (params.console_asset_preview === true){
        src_params += "&console_asset_preview=" + params.console_asset_preview;
      }
      var options = [ 'use_silverlight', 'jsonp_variable', 'jsonp_callback',
        'autoplay', 'slideshow' ];
      for (var i=0; i<options.length; i++) {
        if (params[options[i]] != null) {
          src_params += "&" + options[i] + "=" + params[options[i]];
        }
      }
    }
    return encodeURI(src_params);
  },

  getCommonParamsString: function (params) {
    var arr = [];
    if (params.width) {
      arr.push("width=" + params.width);
    }
    if (params.height) {
      arr.push("height=" + params.height);
    }
    if (params.feed) {
      arr.push("feed=" + encodeURIComponent(params.feed));
    }
    if (params.config) {
      arr.push("config=" + encodeURIComponentSpecial(params.config));
    }
    if (params.logo_opacity != null) {
      arr.push("logo_opacity=" + params.logo_opacity);
    }
    var keys =  ['interactive_transcript','aspectratio', 'signature', 'player_profile', 'company_id', 'subtitle_language', 'auto_advance', 'player_id', 'ignore_ga', 'logo_image_id', 'logo_image_url', 'auth_token', 'logo_position', 'logo_target_url', 'ignore_stream_switching', 'unpublished_subtitle'];
    for (var i=0; i<keys.length; i++) {
      if (params[keys[i]]) {
        arr.push(keys[i] + "=" + params[keys[i]]);
      }
    }
    return arr.join("&");
  },

  encodeURIComponentSpecial: function (value) {
    value = __JSON.stringify(value);
    //value = value.replace(/\./g, '%46');
    value = encodeURIComponent(value);
    return value;
  },

  getSrcUrl: function (video_id, params) {
    var baseUrl = getUrl(params, false);
    var hash = getHash(params);
    var subUrl;
    var extension;
    var mediaType = (video_id.charAt(0) == 't' ? "tracks/" : "videos/");
    if (params.server_detection === true){
      subUrl = '/embeds/' + mediaType;
      extension = '.json';
    } else {
      subUrl = '/assets/';
      extension = '';
    }
    return baseUrl + subUrl + encodeURIComponent(video_id)+ '/' + hash +
      extension;
  },

  getPlaylistPlayer: function (feed, params) {
    if (!feed) { return "No feed"; }

    var id = feed;
    id = id.replace(/^https?:\/\/[^\/]+\//, '');
    // strip question mark and query parameters
    id = id.replace(/\?.*$/, '');

    params.feed = encodeURIComponent(feed);
    params["userAgent"] = getSimplifiedUserAgent();
    params.flash = getFlashVersion();
    params.html5 = getHTML5VideoEnabled();
    params.width = encodeURIComponent(params.width);
    params.height = encodeURIComponent(params.height);

    params = getDefaultParams(params);
    src_params = getCommonParamsString(params);
    //append the current url to use with stats
    var currentUrl = getCurrentUrl();
    src_params += "&currentUrl=" + currentUrl;

    var baseUrl = getUrl(params, false);

    var keys =  [ 'feed', 'userAgent', 'flash', 'html5', 'player_id' ];
    for (var i=0; i<keys.length; i++) {
      if (params[keys[i]]) {
        src_params += "&" + keys[i] + "=" + params[keys[i]];
      }
    }
    var hash = getHash(params);
    var srcUrl = baseUrl + '/embeds/' + id + "/" + hash + '.json';
    src_params += '&version=' + VERSION;
    srcUrl += '?voxtoken=system&' + src_params;
    addAdditionalFlashVars(params);
    return serverTag(srcUrl);
  },

  getHash: function (params) {
    var hash = hex_md5(src_params);
    if (params.player_profile && params.player_profile !== ''){
      hash += '-' + params.player_profile;
    }
    return hash;
  },

  getUrl: function (params, isPlayList) {
    var baseUrl;
    if (CDN_OFF || params.cdn == 'off'){
      baseUrl = getBaseUrl();
    } else if (!isTwistage() && isPlayList) {
      // if its not a twistage url, then we have to return
      // the base url  because if we try to use assets url
      // it will cause the javascript callbacks to not work
      // refs #1733
      baseUrl = getBaseUrl();
    } else {
      baseUrl = getAssetsUrl();
    }
    return baseUrl;
  },

  isTwistage: function() {
    // this checks to see if the embedded script is in the twistage subdomain
    var scripts = document.getElementsByTagName('script');
    for (var i=0; i<scripts.length; i++) {
      var src = scripts[i].src;
      if (src.indexOf('/api/script') != -1 && src.indexOf('twistage.com') != -1){
        // this is twistage domain, return true
        return true;
      }
    }
    return false;
  },

  viewPlaylistPlayer: function (feed, params) {
    document.write(getPlaylistPlayer(feed, params));
  },



   // GET ENVIRONMENT

  getCurrentUrl: function() {
    return window.location.protocol + "//" + window.location.host +
      window.location.pathname;
  },

  getBaseUrl: function () {
    try {
      var scripts = document.getElementsByTagName('script');
      for (var i=0; i<scripts.length; i++) {
        if (scripts[i].src.indexOf('/api/script') != -1) {
          return scripts[i].src.replace(/\/api\/script.*/, '');
        }
      }
    } catch (e) {
    }
    return 'http://service.twistage.com';
  },

  getAssetsUrl: function () {
    try {
      var scripts = document.getElementsByTagName('script');
      var base = '';
      for (var i=0; i<scripts.length; i++) {
        if (scripts[i].src.indexOf('/api/script') != -1) {
          base = scripts[i].src.replace(/\/api\/script.*/, '');
          break;
        }
      }
      if (base.indexOf('.') == -1) {
        // this is most likely a local network, just return the base name
        return base;
      } else if (base.indexOf('service-staging.twistage.com') != -1 ||
                 base.indexOf('http://twistage-staging') != -1)       {
        return 'http://assets-staging.twistage.com';
      } else {
        return 'http://assets.twistage.com';
      }
    } catch (e) {
    }
    return 'http://assets.twistage.com';
  },

  getOS: function () {
    var osArray = [
          {'Windows NT 6.1': 'Windows7'},
          'Windows',
          'Macintosh',
          'Android',
          'iPod',
          'iPad',
          'iPhone',
          'Linux',
          'BlackBerry',
          'PlayBook'
            ];
    var os =  matchUserAgent(osArray);
    var ver;
    if (os == "iPhone" && (ver = navigator.userAgent.match(/OS \d*/))){
      ver = ver[0].replace(/OS /,"");
      os = "iPhone" + ver;
    }
    else if (os == "iPad" && (ver = navigator.userAgent.match(/OS \d*/))){
      ver = ver[0].replace(/OS /,"");
      if (parseInt(ver) >= 5) {
          ver = "2";
      }
      else {
          ver = "";
      }
      os = "iPad" + ver;
    }
    return os;
  },

  navigatorUserAgent: function () {
    return navigator.userAgent;
  },

  getBrowser: function () {
    var browserArray = [
      {'rv:11.0': 'MSIE11'},
      'MSIE',
      {'Trident': 'MSIE'},
      'Firefox',
      'Chrome',
      'Safari',
      'Opera'
      ];
    return matchUserAgent(browserArray);
  },



  matchUserAgent: function (array) {
    var expectedPattern, matchedName;
    for(var i=0;i<array.length;i++){
      if (typeof array[i] == 'object') {
        expectedPattern = Object.keys(array[i])[0]; // key
        matchedName     = array[i][expectedPattern]; // value
      } else {
        expectedPattern = matchedName = array[i];
      }
      if (MediaService.navigatorUserAgent().match(expectedPattern)){
        return matchedName;
      }
    }
    return "Unknown";
  },
  getSimplifiedUserAgent: function () {
    return getOS()+"_"+getBrowser();
  },

  getSilverlightVersion: function() {
    var silverlightVersion;
    try {
      try {
        var control = new ActiveXObject('AgControl.AgControl');
        if (control.IsVersionSupported("3.0")){
          silverlightVersion = 3;
        } else {
          if (control.IsVersionSupported("2.0")){
            silverlightVersion = 2;
          } else {
            silverlightVersion = 1;
          }
        }
        control = null;
      } catch (e) {
        var plugin = navigator.plugins["Silverlight Plug-In"];
        if (plugin) {
          silverlightVersion = parseInt(plugin.description[0], 10);
        } else {
          silverlightVersion = 0;
        }
      }
    } catch (e) {
      silverlightVersion = 0;
    }
    return silverlightVersion;
  },

  getFlashVersion: function () {
    var flashVersion = '0';
    var x;
    if (window.ActiveXObject) {
      // IE
      for (x = 2; x <= 10; x++) {
        try {
          var oFlash = eval("new ActiveXObject('ShockwaveFlash.ShockwaveFlash." + x + "');");
          if (oFlash) {
            flashVersion = x + '.0';
          }
        } catch(e) {
        }
      }
    } else if (navigator.plugins && navigator.plugins.length) {
      // Every other browser
      for (x = 0; x < navigator.plugins.length; x++) {
        if (navigator.plugins[x].name.indexOf('Shockwave Flash') != -1) {
          flashVersion = navigator.plugins[x].description.split('Shockwave Flash ')[1];
          break;
        }
      }
    }
    return flashVersion;
  },

  getHTML5VideoEnabled: function () {
    var e = document.createElement('video');
    return typeof(e.canPlayType) == 'function';
  },



  // Begin pre-server_detection legacy

  mobileBrowser: function () {
    if (navigator.userAgent.match(/BlackBerry/)) {
      return "Blackberry";
    } else if (navigator.userAgent.match(/Opera Mini/)) {
      return "Opera";
    } else if (navigator.userAgent.match(/Android.*AppleWebKit.*Safari/)) {
      return "Android";
    } else if (navigator.userAgent.match(/AppleWebKit.*Mobile.*Safari/)) {
      return "Safari";
    } else {
      return false;
    }
  },

  iframeTag: function (width, height, u) {
    if (!navigator.userAgent.match(/MSIE/)) {
      height = parseInt(height, 10);
      height += 1;
    }
    return '<iframe id="twistage_view_iframe" name="twistage_view_iframe"' +
      ' allowtransparency="true" scrolling="no" frameborder="0" style=""' +
      ' width="' + escape(width) + '" height="' + escape(height) + '" src="' + u +
      '"></iframe>';
  },

  videoTag: function (video_id, width, height, mobileFormatName, useDevicesRoute) {
    var imageUrl = getMobileScreenshotUrl(video_id, width);
    var videoUrl = getMobileVideoUrl(video_id, mobileFormatName, useDevicesRoute);
    var ret = '<video width="' + width + '" height="' + height +'" src="' +
      videoUrl + '" poster="' + imageUrl + '" controls="true"></video>';
    return ret;
  },

  downloadLink: function (video_id, width, height, mobileFormatName) {
    var imageUrl = getMobileScreenshotUrl(video_id, width);
    var videoUrl = getMobileVideoUrl(video_id, mobileFormatName,false);
    var playButtonUrl = getBaseUrl() + '/assets/icons/silver_watch2.png';

    var ret;
    if (document.getElementsByTagName === undefined) { // cheap hack to detect modern browsers
      // it is an older browser, use a simple image followed by a link below
      ret = '<a style="outline: none" href="' + videoUrl +
        '"><img border=0 src="' + imageUrl + '"</a><br/>';
      ret += '<a style="outline: none" href="' + videoUrl + '">' +
        '<img width="16" border=0 src="' + playButtonUrl + '"/> Play video</a>';
    } else {
      // browser is probably capable of rendering DHTML properly
      ret = '<div style="position: relative; width: ' + width + 'px; \
  height: ' + height + 'px"><table style="position: absolute; top: 0px; \
  left: 0px; width: ' + width + 'px; height: ' + height + 'px" \
  width="' + width + 'px" height="' + height + 'px" border=0>\
  <tr>\
  <td align="center" valign="middle">\
  <a style="outline: none" href="' + videoUrl + '">\
  <img border=0 src="' + imageUrl + '"</a>\
  </td>\
  </tr>\
  </table>\
  <table style="position: absolute; top: 0px; left: 0px; \
  width: ' + width + 'px; height: ' + height + 'px" width="' + width + '\
  px" height="' + height + 'px" border=0>\
  <tr>\
  <td align="center" valign="middle">\
  <a style="opacity: 0.7; outline: none" href="' + videoUrl + '"><img border=0 \
  src="' + playButtonUrl + '"/></a>\
  </td>\
  </tr>\
  </table>\
  &nbsp;\
  </div>';
    }

    return ret;
  },

  getMobileScreenshotUrl: function (video_id, width) {
    return getBaseUrl() + '/videos/' + video_id + '/screenshots/' + width +
      'w.jpg';
  },

  getMobileVideoUrl: function (video_id, mobileFormatName, useDevicesRoute) {
    var videoUrl;
    if (useDevicesRoute){
      videoUrl = getBaseUrl() + '/videos/' + video_id + '/devices/' +
        getSimplifiedUserAgent() + "/play" + getExtension() +
        "?voxtoken=system&ua=" + encodeURI(navigator.userAgent);
    } else {
      videoUrl = getBaseUrl2() + '/videos/' + video_id;
      if (mobileFormatName) {
        videoUrl += '/formats/' + mobileFormatName;
      }
      videoUrl += '/play.mp4';
    }
    return videoUrl;
  },

  getBaseUrl2: function () {
    try {
      var scripts = document.getElementsByTagName('script');
      for (var i=0; i<scripts.length; i++) {
        if (scripts[i].src.indexOf('/api/script') != -1) {
          if (scripts[i].src.indexOf('-staging.twistage.com') != -1) {
            return 'http://mobile-staging.twistage.com';
          }
          break;
        }
      }
    } catch (e) {
    }
    return 'https://mobile.twistage.com';
  },

  getExtension: function () {
    if (getBrowser() == 'Firefox') {
      return ['.ogg', '.mp4', '.webm'];
    } else if (getBrowser() == 'Chrome') {
      return [ '.webm', '.mp4', '.ogg'];
    } else {
      return ['.mp4'];
    }
  }

  // End pre-server_detection legacy
};



// Temporary wrappers to avoid references conflicts with other files
// (for MediaService)

is_twistage = MediaService.isTwistage;
get_hash = MediaService.getHash;

getAlbumViewer = MediaService.getAlbumViewer;
getDurationedMediaViewer = MediaService.getDurationedMediaViewer;
getDefaultParams = MediaService.getDefaultParams;
jsEmbed = MediaService.jsEmbed;
addAdditionalFlashVars = MediaService.addAdditionalFlashVars;
serverTag = MediaService.serverTag;
getSrcParams = MediaService.getSrcParams;
getCommonParamsString = MediaService.getCommonParamsString;
encodeURIComponentSpecial = MediaService.encodeURIComponentSpecial;
getSrcUrl = MediaService.getSrcUrl;
getPlaylistPlayer = MediaService.getPlaylistPlayer;
getHash = MediaService.getHash;
getUrl = MediaService.getUrl;
isTwistage = MediaService.isTwistage;
viewPlaylistPlayer = MediaService.viewPlaylistPlayer;
getCurrentUrl = MediaService.getCurrentUrl;
getBaseUrl = MediaService.getBaseUrl;
getAssetsUrl = MediaService.getAssetsUrl;
getOS = MediaService.getOS;
getBrowser = MediaService.getBrowser;
matchUserAgent = MediaService.matchUserAgent;
getSimplifiedUserAgent = MediaService.getSimplifiedUserAgent;
getSilverlightVersion = MediaService.getSilverlightVersion;
getFlashVersion = MediaService.getFlashVersion;
getHTML5VideoEnabled = MediaService.getHTML5VideoEnabled;
mobileBrowser = MediaService.mobileBrowser;
iframeTag = MediaService.iframeTag;
videoTag = MediaService.videoTag;
downloadLink = MediaService.downloadLink;
getMobileScreenshotUrl = MediaService.getMobileScreenshotUrl;
getMobileVideoUrl = MediaService.getMobileVideoUrl;
getBaseUrl2 = MediaService.getBaseUrl2;
getExtension = MediaService.getExtension;



// Ad integration setup

function liverailSetup (player_id, publisherId, format) {
  var isIphone = (/ip(hone|od)/i.test(navigator.userAgent));
  // if it is playing on a playlist on an iPhone
  // then don't use liverail (jwplayer uses its own liverail plugin)
  if ((isIphone) && (typeof HTML5_PLAYER != "undefined")) {
    return;
  }
  // reset boolean flags
  main_video_played = false;

  var player = document.getElementById(player_id);
  var mainVideoDuration = player.duration;
  var adManager = new LiveRail.AdManager({
    target: player
  });
  var config = {
    LR_PUBLISHER_ID: publisherId
  };
  if (format) {
    config[LR_FORMAT] = 'video/'+format;
  }
  adManager.initAds(config);
  var startPreroll = function() {
    // work-around for playing liverail ads with flowplayer on iphone. Only on
    // iphone, for flowplayer, when manually change src of the video tag, the
    // duration of the secondly loaded is not updated and still use the duration
    // of the first loaded video, which is the liverail ads video in this case.
    if ((!isIphone) || ((isIphone) && (main_video_played))) {
      player.removeEventListener('play', startPreroll, true);
    }
    if ((isIphone) && (main_video_played)) {
      //console.log('now playing main video....!!! on iphone');
      preroll_played = false; // resets preroll flag
      player.load();
      // this play will 'force' flowplayer to load new duration:
      flowplayer().play();
      player.addEventListener("loadedmetadata", function() {
        player.play(); // this play will use the updated duration
      });
    } // end of work-around

    adManager.startAds();
    preroll_played = true;

    // if playlist, register "ended" event on main video
    if (typeof HTML5_PLAYER != "undefined") {
      player.addEventListener('ended', function() {
        this.removeEventListener('ended');
        main_video_played = true;
      }, true);
    }
  };
  player.addEventListener('play', startPreroll, true);
}



/* start yume ad integration setup */

var current_video_src = "";
var yumeSDKInstance = null;
var yumeInitObj = null;
var html5_video_id = null;
var anchor_tag_id = null;
var yume_video_element = null;

YuMe = {
  yumeSetup: function (player_id, domain_id, url, qs_params, html5_video_div_id, click_tag_href_id, autoplay_preroll) {
    // reset boolean flags
    main_video_played = false;

    autoplay_preroll = typeof autoplay_preroll !== 'undefined' ? autoplay_preroll : true;

    if (yumeSDKInstance === null) {
      yumeSDKInstance = new YuMeHTML5SDK();
    }
    if (yumeInitObj === null) {
      yumeInitObj = new YuMeHTML5SDKInitObject();
    }
    yumeInitObj.adDomainUrl = url;
    yumeInitObj.domainId = domain_id;
    yumeInitObj.qsParams = qs_params;
    yumeInitObj.html5VideoId = player_id;
    // saves the video_id (will be used later in ad event listener method):
    html5_video_id = player_id;
    yumeInitObj.html5VideoDivId = html5_video_div_id;
    yumeInitObj.clickTagHRefId = click_tag_href_id;
    anchor_tag_id = click_tag_href_id; // saves the <a> tag's id
    yumeInitObj.prerollPlaylist = "dynamic_preroll_playlist.json?";
    yumeInitObj.midrollPlaylist = "dynamic_midroll_playlist.json?";
    yumeInitObj.postrollPlaylist = "dynamic_postroll_playlist.json?";

    yumeInitObj.bPrefetchMidrollAd = false;
    yumeInitObj.bPrefetchPostrollAd = false;
    // initialize yume sdk instance with the yumeInitObj
    var bYumeSDKInit = yumeSDKInstance.yume_init(yumeInitObj);
    //console.log("bYumeSDKInit = " + bYumeSDKInit + ", html5_video_id = " +
    //  player_id + ", html5_video_div_id = " + html5_video_div_id +
    //  ", click_tag_href_id = " + click_tag_href_id);
    if(!bYumeSDKInit) {
      alert("yume_init() failed !!!");
      yume_createVideoControlBar(null);
      return;
    }

    // add the video control bar
    yume_createVideoControlBar(yumeSDKInstance);
    // gets the video tag element
    yume_video_element = document.getElementById(html5_video_id);
    // starts playing the preroll ads if available with AutoPlay option
    var osName = navigator.userAgent;
    // this is for playlist with ads: on iphone, use playlist's play method
    // instead.
    if ((/ip(hone|od)/i.test(osName)) &&
        (typeof HTML5_PLAYER != "undefined") &&
        (!HTML5_PLAYER.playCalledOnce)         ) {
      HTML5_PLAYER.play(0);
    } else {
      yume_load_video_content(autoplay_preroll);
    }
  },

  //performs YuMe HTML5 SDK DeInitialization
  deInitYuMeHTML5SDK: function () {
    if(yumeSDKInstance) {
      yumeSDKInstance.yume_deInit();
    }
  },

  //function that listens for ad events from YuMe HTML5 SDK
  yumeSDKAdEventListener: function (yume_event, yume_eventInfo) {
    switch(yume_event) {
    case YuMeHTML5SDK.prototype.yume_adEvent.AD_PRESENT:
      yume_video_element.style.opacity = 100; // after ad loaded, shows the video
      if(videoControlBar) {
         //disables the progress bar when ad is playing:
        videoControlBar.removeProgressHolderEventListeners();
      }
      break;
    case YuMeHTML5SDK.prototype.yume_adEvent.AD_ABSENT:
      console.log('YuMe ads absent');
      break;
    case YuMeHTML5SDK.prototype.yume_adEvent.AD_PLAYING:
      console.log("YuMe ads playing");
      if(videoControlBar) {
        videoControlBar.updatePlayPauseControl();
      }
      break;
    case YuMeHTML5SDK.prototype.yume_adEvent.AD_COMPLETED:
      console.log("YuMe ads completed");
      if(videoControlBar) {
        videoControlBar.resetControlBar();
      }
      // plays the main content only once
      if (!main_video_played) {
        playMainVideo();
      }
      break;
    case YuMeHTML5SDK.prototype.yume_adEvent.AD_ERROR:
      console.log('YuMe ads error: ' + yume_eventInfo);
      break;
    case YuMeHTML5SDK.prototype.yume_adEvent.AD_CLICKED2SITE:
      break;
    case YuMeHTML5SDK.prototype.yume_adEvent.AD_CLICKED2VIDEO:
      break;
    case YuMeHTML5SDK.prototype.yume_adEvent.PIP_VIDEO_PLAYING:
      break;
    case YuMeHTML5SDK.prototype.yume_adEvent.AD_CB_IFRAME:
      break;
    case YuMeHTML5SDK.prototype.yume_adEvent.AD_CB_FLASH:
      break;
    default:
      break;
    }
  },

  yume_load_video_content: function (autoplay) {
    autoplay = typeof(autoplay) != "undefined" ? autoplay : false;
    if(videoControlBar) {
      videoControlBar.updatePlayPauseControl();
    }

    // saves the current source of main video #9988
    current_video_src = yume_video_element.currentSrc;

    yume_video_element.removeAttribute('src');
    yume_video_element.controls = false; //init with no 'defaul' html5 control bar
    yume_video_element.load();
    if ((autoplay) ||
        (typeof HTML5_PLAYER != "undefined") &&
        (HTML5_PLAYER.playCalledOnce)          ) {
      yume_video_element.play();
    }

    var yume_playPreRollAds = function () {
      yume_video_element.removeEventListener('play', yume_playPreRollAds, true);
      // temporarily hides the video while loading preroll ad block:
      yume_video_element.style.opacity = 0;
      // todo: add loader image
      yume_video_element.pause();
      if (yumeSDKInstance) {
        console.log("yume_startAd");
        preroll_played = true;
        yumeSDKInstance.yume_startAd(YuMeHTML5SDK.prototype.yume_adBlockType.PREROLL_BLOCK);
      }
    };
    yume_video_element.addEventListener('play', yume_playPreRollAds, true);
  },

  playMainVideo: function () {
    // enables the progress bar (to be clickable)
    if(videoControlBar) {
      videoControlBar.addProgressHolderEventListeners();
    }

    // applies the source of main video back to the video element #9988:
    yume_video_element.src = current_video_src;
    // init with no 'defaul' html5 control bar:
    yume_video_element.controls = false;
    yume_video_element.load();

    var yume_playPostRollAds = function () {
      yume_video_element.removeEventListener('ended', yume_playPostRollAds, true);
      if (yumeSDKInstance) {
        yumeSDKInstance.yume_startAd(YuMeHTML5SDK.prototype.yume_adBlockType.POSTROLL_BLOCK);
      }
    };
    // if not using with playlist, only play POSTROLL ad after the last video in
    // the playlist
    if ((typeof HTML5_PLAYER == "undefined")    ||
       ((typeof HTML5_PLAYER != "undefined") &&
         (HTML5_PLAYER.isAtLastItem())         )  ) {
      yume_video_element.addEventListener('ended', yume_playPostRollAds, true);
    }
    yume_video_element.style.opacity = 100; // shows the video
    main_video_played = true;
    preroll_played = false;
    yume_video_element.play();
    if(videoControlBar) {
      videoControlBar.updatePlayPauseControl();
    }
  },

  yume_createVideoControlBar: function (yumeSDKInstanceObj) {
    var videoControlBarInitObj = new VideoControlBarInitObject();
    videoControlBarInitObj.videoId = html5_video_id;
    videoControlBarInitObj.controlsId = "controls";
    videoControlBarInitObj.playControlId = "play";
    videoControlBarInitObj.progressControlId = "progress";
    videoControlBarInitObj.progressHolderId = "progress_box";
    videoControlBarInitObj.playProgressBarId = "play_progress";
    videoControlBarInitObj.currentTimeDisplayId = "current_time_display";
    videoControlBarInitObj.durationDisplayId = "duration_display";
    videoControlBarInitObj.volumeControlId = "volume";
    videoControlBarInitObj.volumeDisplayId = "volume_display";
    videoControlBarInitObj.yumeSDKInstance = yumeSDKInstanceObj;

    videoControlBar = new VideoControlBar(videoControlBarInitObj);
  },

  //function that listens for any volume changes
  player_volumeChangeHandler: function (volControlId) {
    if(videoControlBar) {
      videoControlBar.updateVolume(volControlId);
    }
  },

  /*
    Cleans up the local setup of yume ads: clears out playlist, resets flags...
    This function must be called before playing ads on a new video,
    like in the case of clicking on thumbnail and immediately play a video with
    ads in a playlist.
  */
  yume_adCleanup: function () {
    if ((typeof yumeSDKInstance != "undefined") && (yumeSDKInstance)) {
      yumeSDKInstance._yume_performLocalCleanup();
      // // Cleans the playlist information stored during parsing playlists:
      //yumeSDKInstance._yume_cleanPlaylistInfo();

      // resets the ad requested flags (e.g. _yume_bPrerollRequested,
      // _yume_bPostrollRequested...):
      yumeSDKInstance._yume_resetAdRequestFlags();
    }
  }
};

// Temporary wrappers to avoid references conflicts with other files
// (for YuMe)

yumeSetup = YuMe.yumeSetup;
yumeSDKAdEventListener = YuMe.yumeSDKAdEventListener;
yume_load_video_content = YuMe.yume_load_video_content;
playMainVideo = YuMe.playMainVideo;
yume_createVideoControlBar = YuMe.yume_createVideoControlBar;
player_volumeChangeHandler = YuMe.player_volumeChangeHandler;
yume_adCleanup = YuMe.yume_adCleanup;

/* end of yume ad intergration setup */



/* Public Domain JSON conversion.  See http://www.JSON.org/js.html */
if (!this.__JSON) {
  __JSON = (function () {
    function f(n) {    // Format integers to have at least two digits.
      return n < 10 ? '0' + n : n;
    }

    Date.prototype.toJSON = function () {
      // Eventually, this method will be based on the date.toISOString method.
      return this.getUTCFullYear()   + '-' +
        f(this.getUTCMonth() + 1) + '-' +
        f(this.getUTCDate())      + 'T' +
        f(this.getUTCHours())     + ':' +
        f(this.getUTCMinutes())   + ':' +
        f(this.getUTCSeconds())   + 'Z';
    };

    var m = {    // table of character substitutions
      '\b': '\\b',
      '\t': '\\t',
      '\n': '\\n',
      '\f': '\\f',
      '\r': '\\r',
      '"' : '\\"',
      '\\': '\\\\'
    };

    function stringify(value, whitelist) {
      var a,          // The array holding the partial texts.
      i,          // The loop counter.
      k,          // The member key.
      l,          // Length.
      r = /["\\\x00-\x1f\x7f-\x9f]/g,
      v;          // The member value.

      switch (typeof value) {
      case 'string':
        // If the string contains no control characters, no quote characters,
        // and no backslash characters, then we can safely slap some quotes
        // around it. Otherwise we must also replace the offending characters
        // with safe sequences.
        return r.test(value) ?
          '"' + value.replace(r, function (a) {
            var c = m[a];
            if (c) {
              return c;
            }
            c = a.charCodeAt();
            return '\\u00' + Math.floor(c / 16).toString(16) +
              (c % 16).toString(16);
          }) + '"' :
        '"' + value + '"';

      case 'number':
        // JSON numbers must be finite. Encode non-finite numbers as null.
        return isFinite(value) ? String(value) : 'null';

      case 'boolean':
      case 'null':
        return String(value);

      case 'object':
        // Due to a specification blunder in ECMAScript,
        // typeof null is 'object', so watch out for that case.
        if (!value) {
          return 'null';
        }
        // If the object has a toJSON method, call it, and stringify the result.
        /*
         if (typeof value.toJSON === 'function') {
         return stringify(value.toJSON());
         }
        */
        a = [];
        if (typeof value.length === 'number' &&
          !(value.propertyIsEnumerable('length'))) {
          // The object is an array. Stringify every element. Use null as a
          // placeholder for non-JSON values.
          l = value.length;
          for (i = 0; i < l; i += 1) {
            a.push(stringify(value[i], whitelist) || 'null');
          }
          // Join all of the elements together and wrap them in brackets.
          return '[' + a.join(',') + ']';
        }
        if (whitelist) {
          // If a whitelist (array of keys) is provided, use it to select the
          // components of the object.
          l = whitelist.length;
          for (i = 0; i < l; i += 1) {
            k = whitelist[i];
            if (typeof k === 'string') {
              v = stringify(value[k], whitelist);
              if (v) {
                a.push(stringify(k) + ':' + v);
              }
            }
          }
        } else {
          // Otherwise, iterate through all of the keys in the object.
          for (k in value) {
            if (typeof k === 'string') {
              v = stringify(value[k], whitelist);
              if (v) {
                a.push(stringify(k) + ':' + v);
              }
            }
          }
        }
        // Join all of the member texts together and wrap them in braces.
        return '{' + a.join(',') + '}';
      }
    }

    return {
      stringify: stringify
    };
  }());
}



/*
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for more info.
 */

Js_md5 = {
  hex_md5: function(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));},
  b64_md5: function(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));},
  str_md5: function(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));},
  hex_hmac_md5: function(key, data) { return binl2hex(core_hmac_md5(key, data)); },
  b64_hmac_md5: function(key, data) { return binl2b64(core_hmac_md5(key, data)); },
  str_hmac_md5: function(key, data) { return binl2str(core_hmac_md5(key, data)); },
  md5_vm_test: function()
  {
    return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
  },
  core_md5: function(x, len)
  {
    /* append padding */
    x[len >> 5] |= 0x80 << ((len) % 32);
    x[(((len + 64) >>> 9) << 4) + 14] = len;

    var a =  1732584193;
    var b = -271733879;
    var c = -1732584194;
    var d =  271733878;

    for(var i = 0; i < x.length; i += 16)
    {
      var olda = a;
      var oldb = b;
      var oldc = c;
      var oldd = d;

      a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
      d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
      c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
      b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
      a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
      d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
      c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
      b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
      a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
      d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
      c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
      b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
      a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
      d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
      c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
      b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

      a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
      d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
      c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
      b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
      a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
      d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
      c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
      b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
      a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
      d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
      c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
      b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
      a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
      d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
      c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
      b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

      a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
      d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
      c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
      b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
      a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
      d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
      c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
      b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
      a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
      d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
      c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
      b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
      a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
      d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
      c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
      b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

      a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
      d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
      c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
      b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
      a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
      d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
      c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
      b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
      a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
      d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
      c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
      b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
      a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
      d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
      c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
      b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

      a = safe_add(a, olda);
      b = safe_add(b, oldb);
      c = safe_add(c, oldc);
      d = safe_add(d, oldd);
    }
    return new Array(a, b, c, d);

  },
  md5_cmn: function(q, a, b, x, s, t)
  {
    return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
  },
  md5_ff: function(a, b, c, d, x, s, t)
  {
    return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
  },
  md5_gg: function(a, b, c, d, x, s, t)
  {
    return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
  },
  md5_hh: function(a, b, c, d, x, s, t)
  {
    return md5_cmn(b ^ c ^ d, a, b, x, s, t);
  },
  md5_ii: function(a, b, c, d, x, s, t)
  {
    return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
  },
  core_hmac_md5: function(key, data)
  {
    var bkey = str2binl(key);
    if(bkey.length > 16) {
      bkey = core_md5(bkey, key.length * chrsz);
    }

    var ipad = new Array(16), opad = new Array(16);
    for(var i = 0; i < 16; i++)
    {
      ipad[i] = bkey[i] ^ 0x36363636;
      opad[i] = bkey[i] ^ 0x5C5C5C5C;
    }

    var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
    return core_md5(opad.concat(hash), 512 + 128);
  },
  safe_add: function(x, y)
  {
    var lsw = (x & 0xFFFF) + (y & 0xFFFF);
    var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
    return (msw << 16) | (lsw & 0xFFFF);
  },
  bit_rol: function(num, cnt)
  {
    return (num << cnt) | (num >>> (32 - cnt));
  },
  str2binl: function(str)
  {
    var bin = [];
    var mask = (1 << chrsz) - 1;
    for(var i = 0; i < str.length * chrsz; i += chrsz) {
      bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
    }
    return bin;
  },
  binl2str: function(bin)
  {
    var str = "";
    var mask = (1 << chrsz) - 1;
    for(var i = 0; i < bin.length * 32; i += chrsz) {
      str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
    }
    return str;
  },
  binl2hex: function(binarray)
  {
    var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
    var str = "";
    for(var i = 0; i < binarray.length * 4; i++)
    {
      str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
        hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
    }
    return str;
  },
  binl2b64: function(binarray)
  {
    var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
    var str = "";
    for(var i = 0; i < binarray.length * 4; i += 3)
    {
      var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
        | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
        |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
      for(var j = 0; j < 4; j++)
      {
        if(i * 8 + j * 6 > binarray.length * 32) {
          str += b64pad;
        } else {
          str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
        }
      }
    }
    return str;
  }
};

var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */

// Temporary wrappers to avoid references conflicts with other files
// (for Js_md5)

hex_md5 = Js_md5.hex_md5;
b64_md5 = Js_md5.b64_md5;
str_md5 = Js_md5.str_md5;
hex_hmac_md5 = Js_md5.hex_hmac_md5;
b64_hmac_md5 = Js_md5.b64_hmac_md5;
str_hmac_md5 = Js_md5.str_hmac_md5;
md5_vm_test = Js_md5.md5_vm_test;
core_md5 = Js_md5.core_md5;
md5_cmn = Js_md5.md5_cmn;
md5_ff = Js_md5.md5_ff;
md5_gg = Js_md5.md5_gg;
md5_hh = Js_md5.md5_hh;
md5_ii = Js_md5.md5_ii;
core_hmac_md5 = Js_md5.core_hmac_md5;
safe_add = Js_md5.safe_add;
bit_rol = Js_md5.bit_rol;
str2binl = Js_md5.str2binl;
binl2str = Js_md5.binl2str;
binl2hex = Js_md5.binl2hex;
binl2b64 = Js_md5.binl2b64;