BrowserHistoryUtils = {
      addEvent: function(elm, evType, fn, useCapture) {
          useCapture = useCapture || false;
          if (elm.addEventListener) {
              elm.addEventListener(evType, fn, useCapture);
              return true;
          }
          else if (elm.attachEvent) {
              var r = elm.attachEvent('on' + evType, fn);
              return r;
          }
          else {
              elm['on' + evType] = fn;
          }
      }
  }
  
  BrowserHistory = (function() {
      // type of browser
      var browser = {
          ie: false, 
          firefox: false, 
          safari: false, 
          opera: false, 
          version: -1
      };
  
      // if setDefaultURL has been called, our first clue
      // that the SWF is ready and listening
      //var swfReady = false;
  
      // the URL we'll send to the SWF once it is ready
      //var pendingURL = '';
  
      // Default app state URL to use when no fragment ID present
      var defaultHash = '';
  
      // Last-known app state URL
      var currentHref = document.location.href;
  
      // Initial URL (used only by IE)
      var initialHref = document.location.href;
  
      // Initial URL (used only by IE)
      var initialHash = document.location.hash;
  
      // History frame source URL prefix (used only by IE)
      var historyFrameSourcePrefix = 'history/historyFrame.html?';
  
      // History maintenance (used only by Safari)
      var currentHistoryLength = -1;
  
      var historyHash = [];
  
      var initialState = createState(initialHref, initialHref + '#' + initialHash, initialHash);
  
      var backStack = [];
      var forwardStack = [];
  
      var currentObjectId = null;
  
      //UserAgent detection
      var useragent = navigator.userAgent.toLowerCase();
  
      if (useragent.indexOf("opera") != -1) {
          browser.opera = true;
      } else if (useragent.indexOf("msie") != -1) {
          browser.ie = true;
          browser.version = parseFloat(useragent.substring(useragent.indexOf('msie') + 4));
      } else if (useragent.indexOf("safari") != -1) {
          browser.safari = true;
          browser.version = parseFloat(useragent.substring(useragent.indexOf('safari') + 7));
      } else if (useragent.indexOf("gecko") != -1) {
          browser.firefox = true;
      }
  
      if (browser.ie == true && browser.version == 7) {
          window["_ie_firstload"] = false;
      }
  
      // Accessor functions for obtaining specific elements of the page.
      function getHistoryFrame()
      {
          return document.getElementById('ie_historyFrame');
      }
  
      function getAnchorElement()
      {
          return document.getElementById('firefox_anchorDiv');
      }
  
      function getFormElement()
      {
          return document.getElementById('safari_formDiv');
      }
  
      function getRememberElement()
      {
          return document.getElementById("safari_remember_field");
      }
  
      // Get the Flash player object for performing ExternalInterface callbacks.
      // Updated for changes to SWFObject2.
      function getPlayer(id) {
                  if (id && document.getElementById(id)) {
                          var r = document.getElementById(id);
                          if (typeof r.SetVariable != "undefined") {
                                  return r;
                          }
                          else {
                                  var o = r.getElementsByTagName("object");
                                  var e = r.getElementsByTagName("embed");
                                  if (o.length > 0 && typeof o[0].SetVariable != "undefined") {
                                          return o[0];
                                  }
                                  else if (e.length > 0 && typeof e[0].SetVariable != "undefined") {
                                          return e[0];
                                  }
                          }
                  }
                  else {
                          var o = document.getElementsByTagName("object");
                          var e = document.getElementsByTagName("embed");
                          if (e.length > 0 && typeof e[0].SetVariable != "undefined") {
                                  return e[0];
                          }
                          else if (o.length > 0 && typeof o[0].SetVariable != "undefined") {
                                  return o[0];
                          }
                          else if (o.length > 1 && typeof o[1].SetVariable != "undefined") {
                                  return o[1];
                          }
                  }
                  return undefined;
          }
      
      function getPlayers() {
          var players = [];
          if (players.length == 0) {
              var tmp = document.getElementsByTagName('object');
              players = tmp;
          }
          
          if (players.length == 0 || players[0].object == null) {
              var tmp = document.getElementsByTagName('embed');
              players = tmp;
          }
          return players;
      }
  
          function getIframeHash() {
                  var doc = getHistoryFrame().contentWindow.document;
                  var hash = String(doc.location.search);
                  if (hash.length == 1 && hash.charAt(0) == "?") {
                          hash = "";
                  }
                  else if (hash.length >= 2 && hash.charAt(0) == "?") {
                          hash = hash.substring(1);
                  }
                  return hash;
          }
  
      /* Get the current location hash excluding the '#' symbol. */
      function getHash() {
         // It would be nice if we could use document.location.hash here,
         // but it's faulty sometimes.
         var idx = document.location.href.indexOf('#');
         return (idx >= 0) ? document.location.href.substr(idx+1) : '';
      }
  
      /* Get the current location hash excluding the '#' symbol. */
      function setHash(hash) {
         // It would be nice if we could use document.location.hash here,
         // but it's faulty sometimes.
         if (hash == '') hash = '#'
         document.location.hash = hash;
      }
  
      function createState(baseUrl, newUrl, flexAppUrl) {
          return { 'baseUrl': baseUrl, 'newUrl': newUrl, 'flexAppUrl': flexAppUrl, 'title': null };
      }
  
      /* Add a history entry to the browser.
       *   baseUrl: the portion of the location prior to the '#'
       *   newUrl: the entire new URL, including '#' and following fragment
       *   flexAppUrl: the portion of the location following the '#' only
       */
      function addHistoryEntry(baseUrl, newUrl, flexAppUrl) {
  
          //delete all the history entries
          forwardStack = [];
  
          if (browser.ie) {
              //Check to see if we are being asked to do a navigate for the first
              //history entry, and if so ignore, because it's coming from the creation
              //of the history iframe
              if (flexAppUrl == defaultHash && document.location.href == initialHref && window['_ie_firstload']) {
                  currentHref = initialHref;
                  return;
              }
              if ((!flexAppUrl || flexAppUrl == defaultHash) && window['_ie_firstload']) {
                  newUrl = baseUrl + '#' + defaultHash;
                  flexAppUrl = defaultHash;
              } else {
                  // for IE, tell the history frame to go somewhere without a '#'
                  // in order to get this entry into the browser history.
                  getHistoryFrame().src = historyFrameSourcePrefix + flexAppUrl;
              }
              setHash(flexAppUrl);
          } else {
  
              //ADR
              if (backStack.length == 0 && initialState.flexAppUrl == flexAppUrl) {
                  initialState = createState(baseUrl, newUrl, flexAppUrl);
              } else if(backStack.length > 0 && backStack[backStack.length - 1].flexAppUrl == flexAppUrl) {
                  backStack[backStack.length - 1] = createState(baseUrl, newUrl, flexAppUrl);
              }
  
              if (browser.safari) {
                  // for Safari, submit a form whose action points to the desired URL
                  if (browser.version <= 419.3) {
                      var file = window.location.pathname.toString();
                      file = file.substring(file.lastIndexOf("/")+1);
                      getFormElement().innerHTML = '<form name="historyForm" action="'+file+'#' + flexAppUrl + '" method="GET"></form>';
                      //get the current elements and add them to the form
                      var qs = window.location.search.substring(1);
                      var qs_arr = qs.split("&");
                      for (var i = 0; i < qs_arr.length; i++) {
                          var tmp = qs_arr[i].split("=");
                          var elem = document.createElement("input");
                          elem.type = "hidden";
                          elem.name = tmp[0];
                          elem.value = tmp[1];
                          document.forms.historyForm.appendChild(elem);
                      }
                      document.forms.historyForm.submit();
                  } else {
                      top.location.hash = flexAppUrl;
                  }
                  // We also have to maintain the history by hand for Safari
                  historyHash[history.length] = flexAppUrl;
                  _storeStates();
              } else {
                  // Otherwise, write an anchor into the page and tell the browser to go there
                  addAnchor(flexAppUrl);
                  setHash(flexAppUrl);
              }
          }
          backStack.push(createState(baseUrl, newUrl, flexAppUrl));
      }
  
      function _storeStates() {
          if (browser.safari) {
              getRememberElement().value = historyHash.join(",");
          }
      }
  
      function handleBackButton() {
          //The "current" page is always at the top of the history stack.
          var current = backStack.pop();
          if (!current) { return; }
          var last = backStack[backStack.length - 1];
          if (!last && backStack.length == 0){
              last = initialState;
          }
          forwardStack.push(current);
      }
  
      function handleForwardButton() {
          //summary: private method. Do not call this directly.
  
          var last = forwardStack.pop();
          if (!last) { return; }
          backStack.push(last);
      }
  
      function handleArbitraryUrl() {
          //delete all the history entries
          forwardStack = [];
      }
  
      /* Called periodically to poll to see if we need to detect navigation that has occurred */
      function checkForUrlChange() {
  
          if (browser.ie) {
              if (currentHref != document.location.href && currentHref + '#' != document.location.href) {
                  //This occurs when the user has navigated to a specific URL
                  //within the app, and didn't use browser back/forward
                  //IE seems to have a bug where it stops updating the URL it
                  //shows the end-user at this point, but programatically it
                  //appears to be correct.  Do a full app reload to get around
                  //this issue.
                  if (browser.version < 7) {
                      currentHref = document.location.href;
                      document.location.reload();
                  } else {
                                          if (getHash() != getIframeHash()) {
                                                  // this.iframe.src = this.blankURL + hash;
                                                  var sourceToSet = historyFrameSourcePrefix + getHash();
                                                  getHistoryFrame().src = sourceToSet;
                                          }
                  }
              }
          }
  
          if (browser.safari) {
              // For Safari, we have to check to see if history.length changed.
              if (currentHistoryLength >= 0 && history.length != currentHistoryLength) {
                  //alert("did change: " + history.length + ", " + historyHash.length + "|" + historyHash[history.length] + "|>" + historyHash.join("|"));
                  // If it did change, then we have to look the old state up
                  // in our hand-maintained array since document.location.hash
                  // won't have changed, then call back into BrowserManager.
                  currentHistoryLength = history.length;
                  var flexAppUrl = historyHash[currentHistoryLength];
                  if (flexAppUrl == '') {
                      //flexAppUrl = defaultHash;
                  }
                  //ADR: to fix multiple
                  if (typeof BrowserHistory_multiple != "undefined" && BrowserHistory_multiple == true) {
                      var pl = getPlayers();
                      for (var i = 0; i < pl.length; i++) {
                          pl[i].browserURLChange(flexAppUrl);
                      }
                  } else {
                      getPlayer().browserURLChange(flexAppUrl);
                  }
                  _storeStates();
              }
          }
          if (browser.firefox) {
              if (currentHref != document.location.href) {
                  var bsl = backStack.length;
  
                  var urlActions = {
                      back: false, 
                      forward: false, 
                      set: false
                  }
  
                  if ((window.location.hash == initialHash || window.location.href == initialHref) && (bsl == 1)) {
                      urlActions.back = true;
                      // FIXME: could this ever be a forward button?
                      // we can't clear it because we still need to check for forwards. Ugg.
                      // clearInterval(this.locationTimer);
                      handleBackButton();
                  }
                  
                  // first check to see if we could have gone forward. We always halt on
                  // a no-hash item.
                  if (forwardStack.length > 0) {
                      if (forwardStack[forwardStack.length-1].flexAppUrl == getHash()) {
                          urlActions.forward = true;
                          handleForwardButton();
                      }
                  }
  
                  // ok, that didn't work, try someplace back in the history stack
                  if ((bsl >= 2) && (backStack[bsl - 2])) {
                      if (backStack[bsl - 2].flexAppUrl == getHash()) {
                          urlActions.back = true;
                          handleBackButton();
                      }
                  }
                  
                  if (!urlActions.back && !urlActions.forward) {
                      var foundInStacks = {
                          back: -1, 
                          forward: -1
                      }
  
                      for (var i = 0; i < backStack.length; i++) {
                          if (backStack[i].flexAppUrl == getHash() && i != (bsl - 2)) {
                              arbitraryUrl = true;
                              foundInStacks.back = i;
                          }
                      }
                      for (var i = 0; i < forwardStack.length; i++) {
                          if (forwardStack[i].flexAppUrl == getHash() && i != (bsl - 2)) {
                              arbitraryUrl = true;
                              foundInStacks.forward = i;
                          }
                      }
                      handleArbitraryUrl();
                  }
  
                  // Firefox changed; do a callback into BrowserManager to tell it.
                  currentHref = document.location.href;
                  var flexAppUrl = getHash();
                  if (flexAppUrl == '') {
                      //flexAppUrl = defaultHash;
                  }
                  //ADR: to fix multiple
                  if (typeof BrowserHistory_multiple != "undefined" && BrowserHistory_multiple == true) {
                      var pl = getPlayers();
                      for (var i = 0; i < pl.length; i++) {
                          pl[i].browserURLChange(flexAppUrl);
                      }
                  } else {
                      getPlayer().browserURLChange(flexAppUrl);
                  }
              }
          }
          //setTimeout(checkForUrlChange, 50);
      }
  
      /* Write an anchor into the page to legitimize it as a URL for Firefox et al. */
      function addAnchor(flexAppUrl)
      {
         if (document.getElementsByName(flexAppUrl).length == 0) {
             getAnchorElement().innerHTML += "<a name='" + flexAppUrl + "'>" + flexAppUrl + "</a>";
         }
      }
  
      var _initialize = function () {
          if (browser.ie)
          {
              var scripts = document.getElementsByTagName('script');
              for (var i = 0, s; s = scripts[i]; i++) {
                  if (s.src.indexOf("history.js") > -1) {
                      var iframe_location = (new String(s.src)).replace("history.js", "historyFrame.html");
                  }
              }
              historyFrameSourcePrefix = iframe_location + "?";
              var src = historyFrameSourcePrefix;
  
              var iframe = document.createElement("iframe");
              iframe.id = 'ie_historyFrame';
              iframe.name = 'ie_historyFrame';
              //iframe.src = historyFrameSourcePrefix;
              try {
                  document.body.appendChild(iframe);
              } catch(e) {
                  setTimeout(function() {
                      document.body.appendChild(iframe);
                  }, 0);
              }
          }
  
          if (browser.safari)
          {
              var rememberDiv = document.createElement("div");
              rememberDiv.id = 'safari_rememberDiv';
              document.body.appendChild(rememberDiv);
              rememberDiv.innerHTML = '<input type="text" id="safari_remember_field" style="width: 500px;">';
  
              var formDiv = document.createElement("div");
              formDiv.id = 'safari_formDiv';
              document.body.appendChild(formDiv);
  
              var reloader_content = document.createElement('div');
              reloader_content.id = 'safarireloader';
              var scripts = document.getElementsByTagName('script');
              for (var i = 0, s; s = scripts[i]; i++) {
                  if (s.src.indexOf("history.js") > -1) {
                      html = (new String(s.src)).replace(".js", ".html");
                  }
              }
              reloader_content.innerHTML = '<iframe id="safarireloader-iframe" src="about:blank" frameborder="no" scrolling="no"></iframe>';
              document.body.appendChild(reloader_content);
              reloader_content.style.position = 'absolute';
              reloader_content.style.left = reloader_content.style.top = '-9999px';
              iframe = reloader_content.getElementsByTagName('iframe')[0];
  
              if (document.getElementById("safari_remember_field").value != "" ) {
                  historyHash = document.getElementById("safari_remember_field").value.split(",");
              }
  
          }
  
          if (browser.firefox)
          {
              var anchorDiv = document.createElement("div");
              anchorDiv.id = 'firefox_anchorDiv';
              document.body.appendChild(anchorDiv);
          }
          
          //setTimeout(checkForUrlChange, 50);
      }
  
      return {
          historyHash: historyHash, 
          backStack: function() { return backStack; }, 
          forwardStack: function() { return forwardStack }, 
          getPlayer: getPlayer, 
          initialize: function(src) {
              _initialize(src);
          }, 
          setURL: function(url) {
              document.location.href = url;
          }, 
          getURL: function() {
              return document.location.href;
          }, 
          getTitle: function() {
              return document.title;
          }, 
          setTitle: function(title) {
              try {
                  backStack[backStack.length - 1].title = title;
              } catch(e) { }
              //if on safari, set the title to be the empty string. 
              if (browser.safari) {
                  if (title == "") {
                      try {
                      var tmp = window.location.href.toString();
                      title = tmp.substring((tmp.lastIndexOf("/")+1), tmp.lastIndexOf("#"));
                      } catch(e) {
                          title = "";
                      }
                  }
              }
              document.title = title;
          }, 
          setDefaultURL: function(def)
          {
              defaultHash = def;
              def = getHash();
              //trailing ? is important else an extra frame gets added to the history
              //when navigating back to the first page.  Alternatively could check
              //in history frame navigation to compare # and ?.
              if (browser.ie)
              {
                  window['_ie_firstload'] = true;
                  var sourceToSet = historyFrameSourcePrefix + def;
                  var func = function() {
                      getHistoryFrame().src = sourceToSet;
                      window.location.replace("#" + def);
                      setInterval(checkForUrlChange, 50);
                  }
                  try {
                      func();
                  } catch(e) {
                      window.setTimeout(function() { func(); }, 0);
                  }
              }
  
              if (browser.safari)
              {
                  currentHistoryLength = history.length;
                  if (historyHash.length == 0) {
                      historyHash[currentHistoryLength] = def;
                      var newloc = "#" + def;
                      window.location.replace(newloc);
                  } else {
                      //alert(historyHash[historyHash.length-1]);
                  }
                  //setHash(def);
                  setInterval(checkForUrlChange, 50);
              }
              
              
              if (browser.firefox || browser.opera)
              {
                  var reg = new RegExp("#" + def + "$");\; if\; (window.location.toString().match(reg))\; \{\; \}\; else\; \{\; var\; newloc\; ="\#"\; +\; def;\; window.location.replace(newloc);\; \}\; setInterval(checkForUrlChange,\; 50);\; //setHash(def);\; \}\; \},$/* Set the current browser URL; called from inside BrowserManager to propagate
           * the application state out to the container.
           */
          setBrowserURL: function(flexAppUrl, objectId) {
              if (browser.ie && typeof objectId != "undefined") {
                  currentObjectId = objectId;
              }
             //fromIframe = fromIframe || false;
             //fromFlex = fromFlex || false;
             //alert("setBrowserURL: " + flexAppUrl);
             //flexAppUrl = (flexAppUrl == "") ? defaultHash : flexAppUrl ;
  
             var pos = document.location.href.indexOf('#');
             var baseUrl = pos != -1 ? document.location.href.substr(0, pos) : document.location.href;
             var newUrl = baseUrl + '#' + flexAppUrl;
  
             if (document.location.href != newUrl && document.location.href + '#' != newUrl) {
                 currentHref = newUrl;
                 addHistoryEntry(baseUrl, newUrl, flexAppUrl);
                 currentHistoryLength = history.length;
             }
  
             return false;
          }, 
  
          browserURLChange: function(flexAppUrl) {
              var objectId = null;
              if (browser.ie && currentObjectId != null) {
                  objectId = currentObjectId;
              }
              pendingURL = '';
              
              if (typeof BrowserHistory_multiple != "undefined" && BrowserHistory_multiple == true) {
                  var pl = getPlayers();
                  for (var i = 0; i < pl.length; i++) {
                      try {
                          pl[i].browserURLChange(flexAppUrl);
                      } catch(e) { }
                  }
              } else {
                  try {
                      getPlayer(objectId).browserURLChange(flexAppUrl);
                  } catch(e) { }
              }
  
              currentObjectId = null;
          }
  
      }
  
  })();
  
  // Initialization
  
  // Automated unit testing and other diagnostics
  
  function setURL(url)
  {
      document.location.href = url;
  }
  
  function backButton()
  {
      history.back();
  }
  
  function forwardButton()
  {
      history.forward();
  }
  
  function goForwardOrBackInHistory(step)
  {
      history.go(step);
  }
  
  //BrowserHistoryUtils.addEvent(window, "load", function() { BrowserHistory.initialize(); });
  (function(i) {
      var u =navigator.userAgent;var e=/*@cc_on!@*/false; 
      var st = setTimeout;
      if(/webkit/i.test(u)){
          st(function(){
              var dr=document.readyState;
              if(dr=="loaded"||dr=="complete"){i()}
              else{st(arguments.callee,10);},10);
      } else if((/mozilla/i.test(u)&&!/(compati)/.test(u)) || (/opera/i.test(u))){
          document.addEventListener("DOMContentLoaded",i,false);
      } else if(e){
      (function(){
          var t=document.createElement('doc:rdy');
          try{t.doScroll('left');
              i();t=null;
          }catch(e){st(arguments.callee,0);})();
      } else{
          window.onload=i;
      }
  })( function() {BrowserHistory.initialize();} );