/*! SWFObject v2.0 rc3 <http://code.google.com/p/swfobject/>
  Copyright (c) 2007 Geoff Stearns, Michael Williams, and Bobby van der Sluis
  This software is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
*/

var swfobject = function() {
  
  var UNDEF = "undefined",
    OBJECT = "object",
    CSS_VISIBLE = "visibility:visible",
    CSS_HIDDEN = "visibility:hidden",
    SHOCKWAVE_FLASH = "Shockwave Flash",
    SHOCKWAVE_FLASH_AX = "ShockwaveFlash.ShockwaveFlash",
    FLASH_MIME_TYPE = "application/x-shockwave-flash",
    EXPRESS_INSTALL_ID = "SWFObjectExprInst",
  
    domLoadFnArr = [],
    regObjArr = [],
    timer = null,
    storedAltContent = null,
    isDomLoaded = false,
    isExpressInstallActive = false;
  
  /* Centralized function for browser feature detection
    - Proprietary feature detection (conditional compiling) is used to detect Internet Explorer's features
    - User agent string detection is only used when no alternative is possible
    - Is executed directly for optimal performance
  */  
  var ua = function() {
    var w3cdom = typeof document.getElementById != UNDEF && typeof document.getElementsByTagName != UNDEF && typeof document.createElement != UNDEF && typeof document.appendChild != UNDEF && typeof document.replaceChild != UNDEF && typeof document.removeChild != UNDEF && typeof document.cloneNode != UNDEF,
      playerVersion = [0,0,0],
      d = null;
    if (typeof navigator.plugins != UNDEF && typeof navigator.plugins[SHOCKWAVE_FLASH] == OBJECT) {
      d = navigator.plugins[SHOCKWAVE_FLASH].description;
      if (d) {
        d = d.replace(/^.*\s+(\S+\s+\S+$)/, "$1");
        playerVersion[0] = parseInt(d.replace(/^(.*)\..*$/, "$1"), 10);
        playerVersion[1] = parseInt(d.replace(/^.*\.(.*)\s.*$/, "$1"), 10);
        playerVersion[2] = /r/.test(d) ? parseInt(d.replace(/^.*r(.*)$/, "$1"), 10) : 0;
      }
    }
    else if (typeof window.ActiveXObject != UNDEF) {
      var a = null, fp6Crash = false;
      try {
        a = new ActiveXObject(SHOCKWAVE_FLASH_AX + ".7");
      }
      catch(e) {
        try { 
          a = new ActiveXObject(SHOCKWAVE_FLASH_AX + ".6");
          playerVersion = [6,0,21];
          a.AllowScriptAccess = "always";  // Introduced in fp6.0.47
        }
        catch(e) {
          if (playerVersion[0] == 6) {
            fp6Crash = true;
          }
        }
        if (!fp6Crash) {
          try {
            a = new ActiveXObject(SHOCKWAVE_FLASH_AX);
          }
          catch(e) {}
        }
      }
      if (!fp6Crash && a) { // a will return null when ActiveX is disabled
        try {
          d = a.GetVariable("$version");  // Will crash fp6.0.21/23/29
          if (d) {
            d = d.split(" ")[1].split(",");
            playerVersion = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
          }
        }
        catch(e) {}
      }
    }
    var u = navigator.userAgent.toLowerCase(),
      p = navigator.platform.toLowerCase(),
      webkit = /webkit/.test(u),
      webkitVersion = webkit ? parseFloat(u.replace(/^.*webkit\/(\d+(\.\d+)?).*$/, "$1")) : 0,
      ie = false,
      win = p ? /win/.test(p) : /win/.test(u),
      mac = p ? /mac/.test(p) : /mac/.test(u);
    /*@cc_on
      ie = true;
      @if (@_win32)
        win = true;
      @elif (@_mac)
        mac = true;
      @end
    @*/
    return { w3cdom:w3cdom, playerVersion:playerVersion, webkit:webkit, webkitVersion:webkitVersion, ie:ie, win:win, mac:mac };
  }();
    
  /* Cross-browser onDomLoad
    - Based on Dean Edwards' solution: http://dean.edwards.name/weblog/2006/06/again/
    - Will fire an event as soon as the DOM of a page is loaded (supported by Gecko based browsers - like Firefox -, IE, Opera9+, Safari)
  */ 
  var onDomLoad = function() {
    if (!ua.w3cdom) {
      return;
    }
    addDomLoadEvent(main);
    if (ua.ie && ua.win) {
      try {  // Avoid a possible Operation Aborted error
        document.write("<scr" + "ipt id=__ie_ondomload defer=true src=//:></scr" + "ipt>"); // String is split into pieces to avoid Norton AV to add code that can cause errors 
        var s = document.getElementById("__ie_ondomload");
        if (s) {
          s.onreadystatechange = function() {
            if (this.readyState == "complete") {
              this.parentNode.removeChild(this);
              callDomLoadFunctions();
            }
          };
        }
      }
      catch(e) {}
    }
    if (ua.webkit && typeof document.readyState != UNDEF) {
      timer = setInterval(function() { if (/loaded|complete/.test(document.readyState)) { callDomLoadFunctions(); }}, 10);
    }
    if (typeof document.addEventListener != UNDEF) {
      document.addEventListener("DOMContentLoaded", callDomLoadFunctions, null);
    }
    addLoadEvent(callDomLoadFunctions);
  }();
  
  function callDomLoadFunctions() {
    if (isDomLoaded) {
      return;
    }
    if (ua.ie && ua.win) { // Test if we can really add elements to the DOM; we don't want to fire it too early
      var s = document.createElement("span");
      try { // Avoid a possible Operation Aborted error
        var t = document.getElementsByTagName("body")[0].appendChild(s);
        t.parentNode.removeChild(t);
      }
      catch (e) {
        return;
      }
    }
    isDomLoaded = true;
    if (timer) {
      clearInterval(timer);
      timer = null;
    }
    var dl = domLoadFnArr.length;
    for (var i = 0; i < dl; i++) {
      domLoadFnArr[i]();
    }
  }
  
  function addDomLoadEvent(fn) {
    if (isDomLoaded) {
      fn();
    }
    else { 
      domLoadFnArr[domLoadFnArr.length] = fn; // Array.push() is only available in IE5.5+
    }
  }
  
  /* Cross-browser onload
    - Based on James Edwards' solution: http://brothercake.com/site/resources/scripts/onload/
    - Will fire an event as soon as a web page including all of its assets are loaded 
   */
  function addLoadEvent(fn) {
    if (typeof window.addEventListener != UNDEF) {
      window.addEventListener("load", fn, false);
    }
    else if (typeof document.addEventListener != UNDEF) {
      document.addEventListener("load", fn, false);
    }
    else if (typeof window.attachEvent != UNDEF) {
      window.attachEvent("onload", fn);
    }
    else if (typeof window.onload == "function") {
      var fnOld = window.onload;
      window.onload = function() {
        fnOld();
        fn();
      };
    }
    else {
      window.onload = fn;
    }
  }
  
  /* Main function
    - Will preferably execute onDomLoad, otherwise onload (as a fallback)
  */
  function main() { // Static publishing only
    var rl = regObjArr.length;
    for (var i = 0; i < rl; i++) { // For each registered object element
      var id = regObjArr[i].id;
      if (ua.playerVersion[0] > 0) { // If no fp is installed, we let the object element do its job (show alternative content)
        var obj = document.getElementById(id);
        if (obj) {
          regObjArr[i].width = obj.getAttribute("width") ? obj.getAttribute("width") : "0";
          regObjArr[i].height = obj.getAttribute("height") ? obj.getAttribute("height") : "0";
          if (hasPlayerVersion(regObjArr[i].swfVersion)) { // Flash plug-in version >= Flash content version: Houston, we have a match!
            if (ua.webkit && ua.webkitVersion < 312) { // Older webkit engines ignore the object element's nested param elements
              fixParams(obj);
            }
          }
          else if (regObjArr[i].expressInstall && !isExpressInstallActive && hasPlayerVersion([6,0,65]) && (ua.win || ua.mac)) { // Show the Adobe Express Install dialog if set by the web page author and if supported (fp6.0.65+ on Win/Mac OS only)
            showExpressInstall(regObjArr[i]);
          }
          else { // Flash plug-in and Flash content version mismatch: display alternative content instead of Flash content
            displayAltContent(obj);
          }
        }
      }
      createCSS("#" + id, CSS_VISIBLE);
    }
  }
  
  /* Fix nested param elements, which are ignored by older webkit engines
    - This includes Safari up to and including version 1.2.2 on Mac OS 10.3
    - Fall back to the proprietary embed element
  */
  function fixParams(obj) {
    var nestedObj = obj.getElementsByTagName(OBJECT)[0];
    if (nestedObj) {
      var e = document.createElement("embed"), a = nestedObj.attributes;
      if (a) {
        var al = a.length;
        for (var i = 0; i < al; i++) {
          if (a[i].nodeName.toLowerCase() == "data") {
            e.setAttribute("src", a[i].nodeValue);
          }
          else {
            e.setAttribute(a[i].nodeName, a[i].nodeValue);
          }
        }
      }
      var c = nestedObj.childNodes;
      if (c) {
        var cl = c.length;
        for (var j = 0; j < cl; j++) {
          if (c[j].nodeType == 1 && c[j].nodeName.toLowerCase() == "param") {
            e.setAttribute(c[j].getAttribute("name"), c[j].getAttribute("value"));
          }
        }
      }
      obj.parentNode.replaceChild(e, obj);
    }
  }
  
  /* Fix hanging audio/video threads and force open sockets and NetConnections to disconnect
    - Occurs when unloading a web page in IE using fp8+ and innerHTML/outerHTML
    - Dynamic publishing only
  */
  function fixObjectLeaks(id) {
    if (ua.ie && ua.win && hasPlayerVersion([8,0,0])) {
      window.attachEvent("onunload", function () {
        var obj = document.getElementById(id);
        for (var i in obj) {
          if (typeof obj[i] == "function") {
            obj[i] = function() {};
          }
        }
        obj.parentNode.removeChild(obj);
      });
    }
  }
  
  /* Show the Adobe Express Install dialog
    - Reference: http://www.adobe.com/cfusion/knowledgebase/index.cfm?id=6a253b75
  */
  function showExpressInstall(regObj) {
    isExpressInstallActive = true;
    var obj = document.getElementById(regObj.id);
    if (obj) {
      if (regObj.altContentId) {
        var ac = document.getElementById(regObj.altContentId);
        if (ac) {
          storedAltContent = ac;
        }
      }
      else {
        storedAltContent = abstractAltContent(obj);
      }
      if (!(/%$/.test(regObj.width)) && parseInt(regObj.width, 10) < 310) {
        regObj.width = "310";
      }
      if (!(/%$/.test(regObj.height)) && parseInt(regObj.height, 10) < 137) {
        regObj.height = "137";
      }
      document.title = document.title.slice(0, 47) + " - Flash Player Installation";
      var pt = ua.ie && ua.win ? "ActiveX" : "PlugIn",
        dt = document.title,
        fv = "MMredirectURL=" + window.location + "&MMplayerType=" + pt + "&MMdoctitle=" + dt,
        replaceId = regObj.id;
      // For IE when a SWF is loading (AND: not available in cache) wait for the onload event to fire to remove the original object element
      // In IE you cannot properly cancel a loading SWF file without breaking browser load references, also obj.onreadystatechange doesn't work
      if (ua.ie && ua.win && obj.readyState != 4) {
        var newObj = document.createElement("div");
        replaceId += "SWFObjectNew";
        newObj.setAttribute("id", replaceId);
        obj.parentNode.insertBefore(newObj, obj); // Insert placeholder div that will be replaced by the object element that loads expressinstall.swf
        obj.style.display = "none";
        window.attachEvent("onload", function() { obj.parentNode.removeChild(obj); });
      }
      createSWF({ data:regObj.expressInstall, id:EXPRESS_INSTALL_ID, width:regObj.width, height:regObj.height }, { flashvars:fv }, replaceId);
    }
  }
  
  /* Functions to abstract and display alternative content
  */
  function displayAltContent(obj) {
    if (ua.ie && ua.win && obj.readyState != 4) {
      // For IE when a SWF is loading (AND: not available in cache) wait for the onload event to fire to remove the original object element
      // In IE you cannot properly cancel a loading SWF file without breaking browser load references, also obj.onreadystatechange doesn't work
      var el = document.createElement("div");
      obj.parentNode.insertBefore(el, obj); // Insert placeholder div that will be replaced by the alternative content
      el.parentNode.replaceChild(abstractAltContent(obj), el);
      obj.style.display = "none";
      window.attachEvent("onload", function() { obj.parentNode.removeChild(obj); });
    }
    else {
      obj.parentNode.replaceChild(abstractAltContent(obj), obj);
    }
  } 

  function abstractAltContent(obj) {
    var ac = document.createElement("div");
    if (ua.win && ua.ie) {
      ac.innerHTML = obj.innerHTML;
    }
    else {
      var nestedObj = obj.getElementsByTagName(OBJECT)[0];
      if (nestedObj) {
        var c = nestedObj.childNodes;
        if (c) {
          var cl = c.length;
          for (var i = 0; i < cl; i++) {
            if (!(c[i].nodeType == 1 && c[i].nodeName.toLowerCase() == "param") && !(c[i].nodeType == 8)) {
              ac.appendChild(c[i].cloneNode(true));
            }
          }
        }
      }
    }
    return ac;
  }
  
  /* Cross-browser dynamic SWF creation
  */
  function createSWF(attObj, parObj, id) {
    var r, el = document.getElementById(id);
    if (typeof attObj.id == UNDEF) { // if no 'id' is defined for the object element, it will inherit the 'id' from the alternative content
      attObj.id = id;
    }
    if (ua.ie && ua.win) { // IE, the object element and W3C DOM methods do not combine: fall back to outerHTML
      var att = "";
      for (var i in attObj) {
        if (attObj[i] != Object.prototype[i]) { // Filter out prototype additions from other potential libraries, like Object.prototype.toJSONString = function() {}
          if (i == "data") {
            parObj.movie = attObj[i];
          }
          else if (i.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
            att += ' class="' + attObj[i] + '"';
          }
          else if (i != "classid") {
            att += ' ' + i + '="' + attObj[i] + '"';
          }
        }
      }
      var par = "";
      for (var j in parObj) {
        if (parObj[j] != Object.prototype[j]) { // Filter out prototype additions from other potential libraries
          par += '<param name="' + j + '" value="' + parObj[j] + '" />';
        }
      }
      el.outerHTML = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"' + att + '>' + par + '</object>';
      fixObjectLeaks(attObj.id); // This bug affects dynamic publishing only
      r = document.getElementById(attObj.id); 
    }
    else if (ua.webkit && ua.webkitVersion < 312) { // Older webkit engines ignore the object element's nested param elements: fall back to the proprietary embed element
      var e = document.createElement("embed");
      e.setAttribute("type", FLASH_MIME_TYPE);
      for (var k in attObj) {
        if (attObj[k] != Object.prototype[k]) { // Filter out prototype additions from other potential libraries
          if (k == "data") {
            e.setAttribute("src", attObj[k]);
          }
          else if (k.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
            e.setAttribute("class", attObj[k]);
          }
          else if (k != "classid") { // Filter out IE specific attribute
            e.setAttribute(k, attObj[k]);
          }
        }
      }
      for (var l in parObj) {
        if (parObj[l] != Object.prototype[l]) { // Filter out prototype additions from other potential libraries
          if (l != "movie") { // Filter out IE specific param element
            e.setAttribute(l, parObj[l]);
          }
        }
      }
      el.parentNode.replaceChild(e, el);
      r = e;
    }
    else { // Well-behaving browsers
      var o = document.createElement(OBJECT);
      o.setAttribute("type", FLASH_MIME_TYPE);
      for (var m in attObj) {
        if (attObj[m] != Object.prototype[m]) { // Filter out prototype additions from other potential libraries
          if (m.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
            o.setAttribute("class", attObj[m]);
          }
          else if (m != "classid") { // Filter out IE specific attribute
            o.setAttribute(m, attObj[m]);
          }
        }
      }
      for (var n in parObj) {
        if (parObj[n] != Object.prototype[n] && n != "movie") { // Filter out prototype additions from other potential libraries and IE specific param element
          createObjParam(o, n, parObj[n]);
        }
      }
      el.parentNode.replaceChild(o, el);
      r = o;
    }
    return r;
  }

  function createObjParam(el, pName, pValue) {
    var p = document.createElement("param");
    p.setAttribute("name", pName);  
    p.setAttribute("value", pValue);
    el.appendChild(p);
  }
  
  function hasPlayerVersion(rv) {
    return (ua.playerVersion[0] > rv[0] || (ua.playerVersion[0] == rv[0] && ua.playerVersion[1] > rv[1]) || (ua.playerVersion[0] == rv[0] && ua.playerVersion[1] == rv[1] && ua.playerVersion[2] >= rv[2])) ? true : false;
  }
  
  /* Cross-browser dynamic CSS creation
    - Based on Bobby van der Sluis' solution: http://www.bobbyvandersluis.com/articles/dynamicCSS.php
  */  
  function createCSS(sel, decl) {
    if (ua.ie && ua.mac) {
      return;
    }
    var h = document.getElementsByTagName("head")[0], s = document.createElement("style");
    s.setAttribute("type", "text/css");
    s.setAttribute("media", "screen");
    if (!(ua.ie && ua.win) && typeof document.createTextNode != UNDEF) {
      s.appendChild(document.createTextNode(sel + " {" + decl + "}"));
    }
    h.appendChild(s);
    if (ua.ie && ua.win && typeof document.styleSheets != UNDEF && document.styleSheets.length > 0) {
      var ls = document.styleSheets[document.styleSheets.length - 1];
      if (typeof ls.addRule == OBJECT) {
        ls.addRule(sel, decl);
      }
    }
  }
  
  return {
    /* Public API
      - Reference: http://code.google.com/p/swfobject/wiki/SWFObject_2_0_documentation
    */ 
    registerObject: function(objectIdStr, swfVersionStr, xiSwfUrlStr) {
      if (!ua.w3cdom || !objectIdStr || !swfVersionStr) {
        return;
      }
      var regObj = {};
      regObj.id = objectIdStr;
      var v = swfVersionStr.split(".");
      regObj.swfVersion = [parseInt(v[0], 10), parseInt(v[1], 10), parseInt(v[2], 10)];
      regObj.expressInstall = xiSwfUrlStr ? xiSwfUrlStr : false;
      regObjArr[regObjArr.length] = regObj;
      createCSS("#" + objectIdStr, CSS_HIDDEN);
    },
    
    getObjectById: function(objectIdStr) {
      var r = null;
      if (ua.w3cdom && isDomLoaded) {
        var o = document.getElementById(objectIdStr);
        if (o) {
          var n = o.getElementsByTagName(OBJECT)[0];
          if (!n || (n && typeof o.SetVariable != UNDEF)) {
              r = o;
          }
          else if (typeof n.SetVariable != UNDEF) {
            r = n;
          }
        }
      }
      return r;
    },
    
    embedSWF: function(swfUrlStr, replaceElemIdStr, widthStr, heightStr, swfVersionStr, xiSwfUrlStr, flashvarsObj, parObj, attObj) {
      if (!ua.w3cdom || !swfUrlStr || !replaceElemIdStr || !widthStr || !heightStr || !swfVersionStr) {
        return;
      }
      widthStr += ""; // Auto-convert to string to make it idiot proof
      heightStr += "";
      if (hasPlayerVersion(swfVersionStr.split("."))) {
        createCSS("#" + replaceElemIdStr, CSS_HIDDEN);
        var att = (typeof attObj == OBJECT) ? attObj : {};
        att.data = swfUrlStr;
        att.width = widthStr;
        att.height = heightStr;
        var par = (typeof parObj == OBJECT) ? parObj : {};
        if (typeof flashvarsObj == OBJECT) {
          for (var i in flashvarsObj) {
            if (flashvarsObj[i] != Object.prototype[i]) { // Filter out prototype additions from other potential libraries
              if (typeof par.flashvars != UNDEF) {
                par.flashvars += "&" + i + "=" + flashvarsObj[i];
              }
              else {
                par.flashvars = i + "=" + flashvarsObj[i];
              }
            }
          }
        }
        addDomLoadEvent(function() {
          createSWF(att, par, replaceElemIdStr);
          createCSS("#" + replaceElemIdStr, CSS_VISIBLE);
        });
      }
      else if (xiSwfUrlStr && !isExpressInstallActive && hasPlayerVersion([6,0,65]) && (ua.win || ua.mac)) {
        createCSS("#" + replaceElemIdStr, CSS_HIDDEN);
        addDomLoadEvent(function() {
          var regObj = {};
          regObj.id = regObj.altContentId = replaceElemIdStr;
          regObj.width = widthStr;
          regObj.height = heightStr;
          regObj.expressInstall = xiSwfUrlStr;
          showExpressInstall(regObj);
          createCSS("#" + replaceElemIdStr, CSS_VISIBLE);
        });
      }
    },
    
    getFlashPlayerVersion: function() {
      return { major:ua.playerVersion[0], minor:ua.playerVersion[1], release:ua.playerVersion[2] };
    },
    
    hasFlashPlayerVersion: function(versionStr) {
      return hasPlayerVersion(versionStr.split("."));
    },
    
    createSWF: function(attObj, parObj, replaceElemIdStr) {
      if (ua.w3cdom && isDomLoaded) {
        return createSWF(attObj, parObj, replaceElemIdStr);
      }
      else {
        return undefined;
      }
    },
    
    createCSS: function(sel, decl) {
      if (ua.w3cdom) {
        createCSS(sel, decl);
      }
    },
    
    addDomLoadEvent:addDomLoadEvent,
    
    addLoadEvent:addLoadEvent,
    
    getQueryParamValue: function(param) {
      var q = document.location.search || document.location.hash;
      if (param == null) {
        return q;
      }
      if(q) {
        var pairs = q.substring(1).split("&");
        for (var i = 0; i < pairs.length; i++) {
          if (pairs[i].substring(0, pairs[i].indexOf("=")) == param) {
            return pairs[i].substring((pairs[i].indexOf("=") + 1));
          }
        }
      }
      return "";
    },
    
    // For internal usage only
    expressInstallCallback: function() {
      if (isExpressInstallActive && storedAltContent) {
        var obj = document.getElementById(EXPRESS_INSTALL_ID);
        if (obj) {
          obj.parentNode.replaceChild(storedAltContent, obj);
          storedAltContent = null;
          isExpressInstallActive = false;
        }
      } 
    }
    
  };

}();