(function()
{
    if (window.BlogHelper)
    {
        return;
    }

    window.BlogHelper = new Object();
  
    var hiddenFormFormCommentExists = null;
    var commentBottom = null;
    var formDisabled = false;
    var commentLengthValidator = null;
    var oldValidatorMessage;
  
    window.BlogHelper.previousReplyLink = null;
  
    BlogHelper.replyToComment = function(replyLink)
    {
        var comment = BlogHelper.getCommentContainer(replyLink);
        
        if (!comment)
        {
            return;
        }
        
        var messageId = comment.getAttribute('messageId');
        
        if (!messageId)
        {
            return false;
        }
        
        var addNewCommentFormContainer = BonaPage.$('idAddNewCommentFormContainer');
        var replyToCommentHidden = BonaPage.$(BlogHelper.idReplyToCommentId);

        if (formDisabled) 
        {
            return;
        }
    
        if (DataChangeWatcher)
        {
            var checkResult = DataChangeWatcher.confirmIfDataChanged();
            DataChangeWatcher.resumeWatching();
          
            if (!checkResult) 
            {
                return;
            }
          
            //BonaPage.$(BlogHelper.idCommentText).value = ''; commented - issue 6543
        }
            
        if (commentBottom)
        {
            commentBottom.style.display = '';
        }
    
        var commentBottom = BlogHelper.getCommentBottomBlock(comment);
        var replyFormContainer = comment;
    
        do
        { 
            replyFormContainer = replyFormContainer.nextSibling;
        }
        while (replyFormContainer && replyFormContainer.nodeType != 1)

        if (commentBottom)
        {
            commentBottom.style.display = 'none';
        }
    
        if (window.BlogHelper.previousReplyLink)
        {
            window.BlogHelper.previousReplyLink.style.display = 'inline';
        }
    
        //addNewCommentFormContainer.style.display = '';
        window.BlogHelper.previousReplyLink = replyLink;    
        //replyLink.style.display = 'none';
        window.BlogHelper.replyingOnCommentId = getReplyId();

        //replyFormContainer.appendChild(addNewCommentFormContainer);
        replyToCommentHidden.value = messageId;
        commentLengthValidator = window.setTimeout('BlogHelper.validateCommentLength()', 300);
  }
  
    BlogHelper.showReplyIfAwailable = function(replyLink)
    {
        var comment = BlogHelper.getCommentContainer(replyLink);
        
        if (!comment)
        {
            return true;
        }
        
        var messageId = comment.getAttribute('messageId');
        
        if (!messageId)
        {
            return true;
        }
        
        if (window.BlogHelper.replyingOnCommentId != messageId)
        {
            return true;
        }
        
        BonaPage.$('idAddNewCommentFormContainer').style.display = '';
        return false;
  }

  BlogHelper.hideButtonsIfJsEnabled = function()
  {
    var commentsContainer = BonaPage.$('idBlogCommentsListContainer');
    var buttons = commentsContainer.getElementsByTagName('INPUT');
    var links = commentsContainer.getElementsByTagName('A');
    
    for (var i = 0; i < buttons.length; i++)
    {
        if (buttons[i].attributes['HideIfJsEnabled'])
        {
            buttons[i].style.display = 'none';
        }
    }
    
    for (var i = 0; i < links.length; i++)
    {
        if (links[i].attributes['ShowIfJsEnabled'])
        { 
            links[i].style.display = '';
        }
    }
    
  }

  BlogHelper.hideCommentForm = function()
  {
    var addNewCommentFormContainer = BonaPage.$('idAddNewCommentFormContainer');
    var commentText = BonaPage.$(BlogHelper.idCommentText);

    if (commentText.value.gtrim().length > 0)
    {
        DataChangeWatcher.setChanged();
    }
    else
    {
        DataChangeWatcher.setNotChanged();
    }

    if (DataChangeWatcher && DataChangeWatcher.confirmIfDataChanged())
    {
        addNewCommentFormContainer.style.display = 'none';
        commentText.value = '';
        
        if (commentLengthValidator) 
        {
            window.clearTimeout(commentLengthValidator);
        }
        
        if (commentBottom)
        {
            commentBottom.style.display = '';
        }
        
        if (window.BlogHelper.previousReplyLink)
        {
            window.BlogHelper.previousReplyLink.style.display = '';
        }
        
        return true;
    }

    return true;
  }

  BlogHelper.validateComment = function()
  {
    var commentText, commentLength, message, captchaCode;

    commentText = BonaPage.$(BlogHelper.idCommentText);
    commentLength = BlogHelper.getCommentLength();
    message = '';
          
    if (commentText.value.trim().length == 0)
    {
      message = BlogHelper.strCommentIsEmpty;
    }
    
    if (commentLength > BlogHelper.intMaxCommentLength)
    {
      message = BlogHelper.strCommentLengthExeededAlertMessage;
    }
    
    captchaCode = BonaPage.$(BlogHelper.idCaptchaCodeId);
    
    if (captchaCode && captchaCode.value.trim().length == 0)
    {
      if (message != '')
      {
        message += '\r\n';
      }
      
      message += BlogHelper.strCaptchaCodeIsEmpty;
    }
    
    if (message != '')
    {
      alert(message);
      return false;
    }
    
    Page_IsValid = true;
    Page_BlockSubmit = false;
    
    return true;
  }

  BlogHelper.validateCommentLength = function()
  {
    var commentText, commentLength, errorContainer, newValidatorMessage;
    
    if (!(commentText = BonaPage.$(BlogHelper.idCommentText))) 
    {
        return;
    }

    commentLength = BlogHelper.getCommentLength();
    errorContainer = BonaPage.$('errorMessageContainer');
    newValidatorMessage = commentLength > BlogHelper.intMaxCommentLength ? BlogHelper.strCommentLengthExeededValidatorMessage.toString().replace(/\[0\]/, commentLength) : '';
      
    if (oldValidatorMessage != newValidatorMessage)
    {
      oldValidatorMessage = errorContainer.innerHTML = newValidatorMessage;
    }
    
    commentLengthValidator = window.setTimeout('BlogHelper.validateCommentLength()', 300);  
  }

  BlogHelper.getCommentLength = function()
  {
    return BonaPage.$(BlogHelper.idCommentText).value.replace(/\r\n/g, '\n').replace(/\n/g, '\r\n').length;
  }

  BlogHelper.disableCommentForm = function()
  {
    if (DataChangeWatcher) 
    {
        DataChangeWatcher.pauseWatching();
    }

    window.setTimeout(
      function()
      {
        BonaPage.$(BlogHelper.idPostCommentButton).disabled = true;
        BonaPage.$(BlogHelper.idCancelButton).disabled = true;
        BonaPage.$(BlogHelper.idCommentText).disabled = true;
        
        var captchaCode = BonaPage.$(BlogHelper.idCaptchaCodeId);
        var captchaReload = BonaPage.$(BlogHelper.idCaptchaReloadId);
        var anonimousAuthorTextBox = BonaPage.$(BlogHelper.idAnonimousAuthorTextBoxId);
        
        if (captchaCode)
        {
            captchaCode.disabled = true;
        }
        
        if (captchaReload)
        {
            captchaReload.style.display = 'none';
        }
        
        if (anonimousAuthorTextBox)
        {
            anonimousAuthorTextBox.disabled = true;
        }
        
        formDisabled = true;
      },
      10);      
  }

  BlogHelper.disablePostForm = function()
  {
    if (DataChangeWatcher) 
    {
        DataChangeWatcher.pauseWatching();
    }
    
    window.setTimeout(
      function()
      {
        if (Page_IsValid)
        {
          BonaPage.$(BlogHelper.idPostButton).disabled = true;
          BonaPage.$(BlogHelper.idCancelButton).disabled = true;
          formDisabled = true;
        }
      },
      100);   
  }

  BlogHelper.deleteComment = function()
  {
  }

  BlogHelper.stokeComment = function(anyCommentInnerObject, enabled)
  {
    var comment;    
    
    if (comment = BlogHelper.getCommentContainer(anyCommentInnerObject))
    {
      comment.className = enabled ? 'commentViewContainer Stoked' : 'commentViewContainer';
    }
  }

    BlogHelper.getCommentContainer = function(innerObject)
    {
        var comment = innerObject;
    
        if (!comment)
        {
            return null;
        }
    
        while (!comment.getAttribute('messageId') && comment.tagName != 'BODY')
        {
            comment = comment.parentNode;
        }
    
        return (comment.tagName != 'BODY') ? comment : null;
    }

  BlogHelper.getCommentBottomBlock = function(comment)
  {
    var elements, i;
    
    if (comment.className == 'commentBottom' || comment.className == 'postBottom')
    {
        return comment;
    }
    
    elements = comment.getElementsByTagName('DIV');
    
    for (i = 0; i < elements.length; i++)
    {
        if (elements[i].className == 'commentBottom' || elements[i].className == 'postBottom') 
        {
            return elements[i];
        }
    }
  }

  
    BlogHelper.AutoexpandReplyFormIfNeeded = function()
    {
        var replyId = getReplyId();
        var commentOnPost = isAddingCommentToPost();
        var replyOnMessage;
        
        if (replyId) 
        {
            replyOnMessage = findMessageByMessageId(replyId);
            BonaPage.setUrlFragment(replyId);
            BlogHelper.replyToComment(replyOnMessage);
        }
        else if (commentOnPost)
        {
            replyOnMessage = BonaPage.$(BlogHelper.postContainerId);
            BlogHelper.replyToComment(replyOnMessage);
        }
    }

    BlogHelper.AutoScrollToAnchor = function(anchorParamName)
    {
        var searchPattern = new RegExp(anchorParamName + '=([0-9a-zA-Z]+)');
        var match = searchPattern.exec(window.location);
    
        if (match != null) 
        {
            BonaPage.setUrlFragment(match[1]);
        }
    }

    BlogHelper.GetClientUTC = function(idDateTimeOutputControl, idUtcOutputControl)
    {
        var now = new Date();
        var dateTimeOutputControl
        var utcOutputControl;
            
        if (dateTimeOutputControl = BonaPage.$(idDateTimeOutputControl))
        {
            dateTimeOutputControl.value = now;
        }
        
        if (utcOutputControl = BonaPage.$(idUtcOutputControl))
        {
            utcOutputControl.value =  now.getTimezoneOffset() / 60;
        }
    }
  
    BlogHelper.LoadClientDateAndTime = function(idDateOutputControl, idTimeOutputControl)
    {
        var now = new Date();
        var timeOutputControl;
        
        if (timeOutputControl = BonaPage.$(idTimeOutputControl))
        {
            timeOutputControl.value = now.getHours() + ':' + BlogHelper.getTwoDigitsNumber(now.getMinutes()) + ':' + BlogHelper.getTwoDigitsNumber(now.getSeconds());
        }
    }
  
    BlogHelper.getTwoDigitsNumber = function(number)
    {
        return number < 10 ? '0' + number : number;
    }

    // min length
    BlogHelper.ValidateBody = function(sender, args) 
    {
        var box, value;
    
        if (WidgetMode == 1)
        {
            if (box = BonaPage.$(BodyTextBoxId))
            {  
                args.IsValid = (box.value.replace(/^\s*|\s*$/g, '') != '');
            }
      
            return;
        }
    
        if (!top || !BonaPage.topWindow.BonaEditor) 
        {
            return;
        }
    
        box = BonaPage.topWindow.BonaEditor.getEditorById(BlogHelper.idEditor);
  
        if (box == null) 
        {
           return;
        }
    
        value = box.getHtmlData().replace(/&nbsp;|\s|<br>|<p>|<\/p>/ig, "");
        args.IsValid = value.length > 0;
    }

    // max length
    BlogHelper.ValidateBodyLength = function(sender, args) 
      {
        var box, value, valueLength;
        
        if (WidgetMode == 1)
        {
            if (box = BonaPage.$(BodyTextBoxId))
            {
                args.IsValid = (box.value.replace(/^\s*|\s*$/g, "").length <= BlogHelper.intMaxPostLength);
            }
          
            return;
        }
        
        if (!top || !BonaPage.topWindow.BonaEditor) 
        {
            return;
        }
        
        box = BonaPage.topWindow.BonaEditor.getEditorById(BlogHelper.idEditor);
        
        if (box == null) 
        {
            return;
        }
         
        valueLength = box.getHtmlDataLength();
        args.IsValid = (valueLength <= BlogHelper.intMaxPostLength);    
    }

    BlogHelper.OnLoad = function()
    {
        BlogHelper.AutoScrollToAnchor('anchor'); 
        BlogHelper.AutoexpandReplyFormIfNeeded();
    }
  
  
    function getReplyId()
    {    
        var url = window.location ? window.location.toString() : '';
        var searchRegExs = [
            /replyTo\=(\d+)/i,
            /#replyTo(\d+)$/i
        ];
        
        for (var i = 0; i < searchRegExs.length; i++)
        {
            var match = searchRegExs[i].exec(url);
            
            if (match)
            {
                return match[1];
            }
        }
        
        return 0;
    }
  
    function isAddingCommentToPost()
    {
        var url = window.location ? window.location.toString() : '';
        var searchRegEx = /#addComment$/i;
        var match = searchRegEx.exec();

        return match ? true : false;
    }
  
  
    function findMessageByMessageId(messageId)
    {
        var elements = document.getElementsByTagName('DIV');
          
        for (var i = 0; i < elements.length; i++)
        {
            var element = elements[i];
            var attribute = element.getAttribute('messageId');
            
            if (attribute == messageId)
            {
                return element;
            }                
        }
        
        return null;
    }
    
    
})();

BonaPage.addPageStateHandler(BonaPage.PAGE_PARSED, BlogHelper.OnLoad);

if(typeof(Sys) !== 'undefined')
  Sys.Application.notifyScriptLoaded();