var COMMENT = function(){
	var MAX_COMMENT_CHARS_COUNT = 160;
	
	var requestDataSpam = {};
	
	var _commetnsBoxShape = '';
	
	var _commentTextareaDefaultValue = '';
	var _commentYourNameDefaultValue = '';
	var _commentYourEmailDefaultValue = '';
	var _commentNoCommentErrorMessage = '';
	var _commentNoNameErrorMessage = '';
	var _commentNoEmailErrorMessage = '';
	
	var _spamMessageWarning = '';
	var _captchaSubmitButtonText = '';
	var _wrongValidationCode = '';
	
	var emotionsList = [];
	var emotionsAliases = [];
	
	var _charsLeftInfoSpan = null;
	var _commentTextarea = null;
	
	/**
	 * Initing comments on userpages
	 */
	var init = function(){
		_charsLeftInfoSpan = $('.chars_left_infobox span');
		_commentTextarea = $('.comment_textarea');
		
		if ($('.comment_box_container').length) {
			_commentTextareaDefaultValue = $('.comment_textarea_hidden').val();
			_commentYourNameDefaultValue = $('.your_name_input_hidden').val();
			_commentYourEmailDefaultValue = $('.your_email_input_hidden').val();
			_commentNoCommentErrorMessage = $('.nocomment_error_input_hidden').val();
			_commentNoNameErrorMessage = $('.noname_error_input_hidden').val();
			_commentNoEmailErrorMessage = $('.noemail_error_input_hidden').val();
			
			_commetnsBoxShape = $('.comments_shape').val() == 'Round' ? '' : $('.comments_shape').val();
			
			openCommentForm();
			
			bindEmotionsEvents();
			bindReplyButtonsEvents();
			bindWriteCommentEvents();
			bindViewAllCommentsEvent();
			
			initTextareaAutoResize();
			createEmotionsList();
			
			checkLikeVisibility();
			bindLikeLinkEvent();
		}
		
		$('.share_link a').bind('click', function(){
			openFacebookSharePopup();
			return false;
		});
		$('#tooltip_close').live('click', function(){
			$('#_tooltip').remove();
		});
		$(window).resize(function(){
			$('#_tooltip').remove();
		});
		
		initLatestCommentsBox();
	}
	
	/**
	 * Checking like link visibility for showing or hiding it
	 */
	var checkLikeVisibility = function(){
		if (getLikeCookie() != null) {
			$('.like_link, .latest_like_link').hide();
			$('.liked_text, .latest_liked_text').show();
		}
		else {
			$('.liked_text, .latest_liked_text').hide();
			$('.like_link, .latest_like_link').show();
		}
	}
	
	/**
	 * Getting like cookie
	 */
	var getLikeCookie = function(){
		var cookieName = $('.page_id').val()+$('.page_item_id').val();
		return $.cookies.get(cookieName);
	}
	
	/**
	 * Setting like cookie with expiration date 2 weeks
	 */
	var setLikeCookie = function(){
		var cookieName = $('.page_id').val()+$('.page_item_id').val();
		$.cookies.set(cookieName, true, {hoursToLive : 336});
		
		checkLikeVisibility();
	}
	
	/**
	 * Creating emotions list
	 */
	var createEmotionsList = function(){
		var tempArray = {};
		
		$('.emotions_list img').each(function(i, img){
			var alias = encodeHTMLTags($(img).attr('title'));
			emotionsAliases.push(alias);
			tempArray[alias] = $(img).attr('src');
		});
		
		emotionsAliases.sort(function(a, b){
			return a.length <= b.length;
		});
		
		$.each(emotionsAliases, function(i, alias){
			emotionsList.push({
				alias : alias,
				url : tempArray[alias]
			});
		});
	}
	
	/**
	 * Replacing emotion's alias with its image
	 */
	var replaceEmotions = function(message){
		for (var i = 0; i < emotionsAliases.length; i++) {
			var alias = emotionsAliases[i];
			if (message.indexOf(alias) >= 0) {
				message = message.replace(alias, '<img src="'+getEmotionURLByAlias(alias)+'">');
				i = 0;
			}
		}
		
		return message;
	}
	
	/**
	 * Getting emotion URL by its alias
	 */
	var getEmotionURLByAlias = function(alias){
		var url = '';
		$.each(emotionsList, function(i, emote){
			if (emote.alias == alias) {
				url = emote.url;
				return false;
			}
		});
		
		return url;
	}
	
	/**
	 * Attach click event to view all comments link 
	 */
	var bindViewAllCommentsEvent = function(){
		$('.view_all_comments span').click(function(){
			viewComments(true);
		});
	}
	
	/**
	 * Getting all comments list, when clicked view all comments link
	 */
	var viewComments = function(allComments){
		allComments = allComments || false;
		
		var pageId = $('.page_id').val();
		var pageItemId = $('.page_item_id').val();
		
		var requestData = {
			PageId : pageId,
			PageItemId : pageItemId,
			Action : allComments ? 'GetAllComments' : 'GetLatestComments'
		}
		
		var postUrl = $('.post_url').val();
		
		$.ajax({
			url : postUrl,
			type : 'post',
			dataType : 'json',
			data : requestData,
			success : function(responseData){
				if (responseData.status == 'Succeeded') {
					$('.comments_list').empty();
					
					var comments = responseData.CommentsList;
					for (var i = 0; i < comments.length; i++) {
						var comment = comments[i];
						addComment(comment);
						
						if (comment.RepliesList.length) {
							var replies = comment.RepliesList;
							for (var j = 0; j < replies.length; j++) {
								var reply = replies[j];
								addComment(reply, comment.CommentId);
							}
						}
					}
					
					if (allComments) {
						$('.view_all_comments').hide();
					}
					else {
						checkLikeVisibility();
						
						$('.like_count').html(responseData.LikeCount);
						
						if (responseData.HasMore) {
							$('.view_all_comments').show();
						}
						else {
							$('.view_all_comments').hide();
						}
						
						openCommentForm();
						
						if ($.browser.msie && parseInt($.browser.version) == 6)	pngfix();
					}
					
					adjustCommentsBox();
				}
			},
			error : function(){
				alert($('.callbackfailure').val());
			}
		});
	}
	
	/*
	 * Adding new comment
	 */
	var addComment = function(comment, parentId, newComment){
		parentId = parentId || 0;
		newComment = newComment || false;
		
		var commentDate = (!newComment) ? comment.CommentDate : getFormatedCommentDate();
		var commentBody = newComment ? replaceEmotions(encodeHTMLTags(comment.CommentText)) : comment.CommentText;
		
		var clonedComment = $('.comment_item_original .comment').clone(true)
			.attr('id', comment.CommentId)
				.children('h4')
					.find('.comment_author').html(comment.CommentAuthor)
				.end()
					.find('.comment_date').html(commentDate)
				.end()
			.end()
				.children('p').html(commentBody)
			.end();
		
		if (parentId) {
			clonedComment.children('.top_border, .comment_replies_list').remove();
			clonedComment.find('.reply_comment').remove();
			if (newComment) {
				clonedComment.prependTo('.comment[id='+parentId+'] .comment_replies_list');
				
				createPromoteTooltip(comment.CommentId, comment.resultText, comment.tipText);
			}
			else 
				clonedComment.appendTo('.comment[id='+parentId+'] .comment_replies_list');
		}
		else {
			clonedComment.children('.comment_reply_icon').remove();
			if (newComment) {
				clonedComment.prependTo('.comments_list');
				
				createPromoteTooltip(comment.CommentId, comment.resultText, comment.tipText);
			}
			else 
				clonedComment.appendTo('.comments_list');
		}
		
		if ($.browser.msie && parseInt($.browser.version) == 6)	pngfix();
	}
	
	/**
	 * Creating promotion tooltip after adding comment and showing next to just added comment line
	 */
	var createPromoteTooltip = function(commentId, resultText, tipText){
		if ((!resultText || resultText.length == 0) && (!tipText || tipText.length == 0)) return false;
		
		$('#_tooltip').remove();
		
		var commentOffset = $('#'+commentId).offset();
		
		resultText = !resultText ? '' : '<p class="resultText">' + resultText + '</p>';
		tipText = !tipText ? '' : '<p class="tipText">' + tipText + '</p>';
		
		$('<div>')
			.attr('id', '_tooltip')
			.addClass('promo_tooltip')
			.css({
				top : commentOffset.top,
				left : commentOffset.left + 450
			})
			.append(
				$('<div>').addClass('tooltip_content').html(resultText + tipText)
			)
			.append(
				$('<div>').addClass('tooltip_bottom')
			)
			.append(
				$('<div>').attr('id', 'tooltip_close').addClass('tooltip_close')
			)
			.appendTo('body');
		
		adjustCommentsBox();
	}
	
	
	/**
	 * Replacing HTML tags to theirs HTML entities
	 */
	var encodeHTMLTags = function(comment){
		comment = comment.replace(/</g, '&lt;');
		comment = comment.replace(/>/g, '&gt;');
		comment = comment.replace('\n', '<br/>');
		return comment;
	}
	
	/**
	 * Creating cloned invisible textarea which will handle real comment textarea's height
	 */
	var initTextareaAutoResize = function(){
		var minHeight = parseInt(_commentTextarea.css('height'));
		var maxHeight = 144;
		
		var clonedCommentTextarea = $('<textarea>').attr('id', 'comment_textarea_clone').css({
			position : 'absolute',
			top : -10000,
			left : -10000,
			width : _commentTextarea.css('width'),
			height : minHeight,
			margin : 0,
			border : 0,
			fontSize : _commentTextarea.css('fontSize'),
			fontFamily : _commentTextarea.css('fontFamily'),
			overflow : 'hidden'
		}).appendTo('body');
		
		var fitToContent = function(){
			clonedCommentTextarea.val(_commentTextarea.val());
			
			clonedCommentTextarea[0].scrollTop = 10000;
			var scrollHeight = clonedCommentTextarea[0].scrollHeight;
			var adjustedHeight = scrollHeight > minHeight ? scrollHeight : minHeight;
			
			if (adjustedHeight <= maxHeight) {
				_commentTextarea.css({
					overflow : 'hidden'
				});
				
				_commentTextarea.height(adjustedHeight + 18);
				adjustCommentsBox();
			}
			else {
				_commentTextarea.css({
					overflow : 'auto'
				});
			}
		}
		
		_commentTextarea.keyup(function(){
			calculateCommentCharsCount();
			fitToContent();
		}).keydown(function(){
			calculateCommentCharsCount();
			fitToContent();
		});
		
		fitToContent();
	}
	
	/**
	 * Initing like link
	 */
	var bindLikeLinkEvent = function(){
		$('.like_link a').click(function(){
			var pageId = $('.page_id').val();
			var pageItemId = $('.page_item_id').val();
			
			var requestData = {
				PageId : pageId,
				PageItemId : pageItemId,
				Action : 'PageLike'
			}
			
			var postUrl = $('.post_url').val();
			
			$.ajax({
				url : postUrl,
				type : 'post',
				dataType : 'json',
				data : requestData,
				success : function(responseData){
					if (responseData.status == 'Succeeded') {
						$('.like_count').html(responseData.LikeCount);
						
						setLikeCookie();
					}
					else {
						alert(responseData.status);
					}
				},
				error : function(){
					alert($('.callbackfailure').val());
				}
			});
			
			return false;
		});
	}
	
	/**
	 * Open facebook share popup window
	 */
	var openFacebookSharePopup = function(){
		var pageItemId = $('.page_item_id').val();
		
		var u = '';
		if (pageItemId > 0)
			u = encodeURIComponent(location.href.split(location.search)[0]+'?i='+pageItemId);
		else
			u = encodeURIComponent(location.href);
		
		var t = encodeURIComponent(document.title);
		window.open('http://www.facebook.com/sharer.php?u='+u+'&t='+t, 'sharer', 'toolbar=0, status=0, width=626, height=436');
	}
	
	/**
	 * Fix comment box's background dimensions in case of comment box content change
	 */
	var isCornersApplied = false;
	var adjustCommentsBox = function(){
		var commentsBgBox = $('.comments_box_bg');
		
		if (!commentsBgBox.length) return false;
		
		$('.comments_box_bg').css({
			opacity : .3,
			height : $('.comments_box').outerHeight()
		});
		if (!isCornersApplied) {
			commentsBgBox.corner(_commetnsBoxShape);
			isCornersApplied = true;
		}
	}
	
	/**
	 * Hide emotions list popup
	 */
	var hideEmotionsPopup = function(){
		$('.emotions_list').css('visibility', 'hidden');
	}
	
	/**
	 * Open emotions list popup
	 */
	var openEmotionsPopup = function(){
		$('.emotions_list').css('visibility', 'visible');
		_commentTextarea.trigger('blur');
	}
	
	/**
	 * Bind emotions events
	 */
	var bindEmotionsEvents = function(){
		$('.emotions_button').bind('click', function(){
			openEmotionsPopup();
		});
		
		$('.emotions_list_close').bind('click', function(){
			hideEmotionsPopup();
		});
		
		$(document).bind('click', function(e){
			var target = $(e.target);
			if (!target.is('.emotions_list') && !target.is('.emotions_button') && !target.is('.comment_textarea')) {
				hideEmotionsPopup();
			}
		});
		
		$('.emotions_list img').bind('click', function(){
			hideEmotionsPopup();
			insertSmiley(' '+$(this).attr('title')+' ');
			_commentTextarea.trigger('keyup');
		});
	}
	
	/**
	 * Insert smiley alias to comment's textarea
	 */
	var insertSmiley = function(smiley){
		_commentTextarea.focus();
		
		var commentTextarea = _commentTextarea[0];
		
		if (document.selection) {
			var sel, curPos;
			
			sel = document.selection.createRange();
			sel.moveStart ('character', -commentTextarea.value.length);
			curPos = sel.text.length;
			
			if (commentTextarea.value.length && curPos != 0) {
				var range = commentTextarea.createTextRange();
				range.move('character', commentTextarea.value.length);
				range.select();
			}
			
			sel = document.selection.createRange();
			curPos = sel.text.length;
			sel.text = smiley;
			
			if (smiley.length == 0) {
				sel.moveStart('character', smiley.length);
				sel.moveEnd('character', smiley.length);
			} else {
				sel.moveStart('character', -smiley.length + curPos);
			}
		}
		else if (commentTextarea.selectionStart || commentTextarea.selectionStart == 0) {
			var startPos = commentTextarea.selectionStart;
			var endPos = commentTextarea.selectionEnd;
			commentTextarea.value = commentTextarea.value.substring(0, startPos) + smiley + commentTextarea.value.substring(endPos, commentTextarea.value.length);
			commentTextarea.selectionStart = startPos + smiley.length;
			commentTextarea.selectionEnd = startPos + smiley.length;
			commentTextarea.focus();
		} else {
			commentTextarea.value += smiley;
		}
	}
	
	
	/**
	 * Bind comment reply buttons events
	 */
	var bindReplyButtonsEvents = function(){
		$('.reply_button').bind('click', openCommentReplyForm);
	}
	
	/**
	 * Open comment form
	 */
	var openCommentForm = function(){
		removeCaptcha();
		resetCommentsForm();
		
		$('.reply_comment').show();
		$('.write_comment_link').hide();
		
		$('.comments_form').insertAfter($('.write_comment_link').parent());
		$('.comments_form').show();
		
		adjustCommentsBox();
	}
	
	/*
	 * Close comment form
	 */
	var closeCommentForm = function(){
		$('.reply_comment').show();
		$('.write_comment_link').show();
		
		$('.comments_form').hide();
		$('.comments_form').insertAfter($('.write_comment_link').parent());
		
		adjustCommentsBox();
	}
	
	
	/**
	 * Open comment form for reply
	 */
	var openCommentReplyForm = function(){
		removeCaptcha();
		
		var replyButtonContainer = $(this).parents('.comment').children('.comment_replies_list');
		$('.comments_form').insertBefore(replyButtonContainer);
		
		$('.write_comment_link').show();
		$('.comments_form').show();
		$('.reply_comment').show();
		$(this).parent().hide();
		
		resetCommentsForm();
		adjustCommentsBox();
		
		_commentTextarea.focus();
		
		return false;
	}
	
	/**
	 * Bind comment form's elements events
	 */
	var bindWriteCommentEvents = function(){
		$('.write_comment_link').bind('click', function(){
			openCommentForm();
			return false;
		});
		
		_commentTextarea
			.bind('focus', function(){
				removeErrorTooltip(this);
				
				$(this).removeClass('error').addClass('active');
				if ($(this).val() == _commentTextareaDefaultValue) {
					$(this).val('');
				}
			})
			.bind('blur', function(){
				if (!$.trim($(this).val()).length) {
					$(this).val(_commentTextareaDefaultValue).removeClass('active');
					resetCommentCharsCount();
				}
			});
		
		$('.your_name_input')
			.bind('focus', function(){
				removeErrorTooltip(this);
				
				$(this).removeClass('error').addClass('active');
				if ($(this).val() == _commentYourNameDefaultValue) {
					$(this).val('');
				}
			})
			.bind('blur', function(){
				if (!$.trim($(this).val()).length) {
					$(this).val(_commentYourNameDefaultValue).removeClass('active');
				}
			});
		
		$('.your_email_input')
			.bind('focus', function(){
				removeErrorTooltip(this);
				
				$(this).removeClass('error').addClass('active');
				if ($(this).val() == _commentYourEmailDefaultValue) {
					$(this).val('');
				}
			})
			.bind('blur', function(){
				if (!$.trim($(this).val()).length) {
					$(this).val(_commentYourEmailDefaultValue).removeClass('active');
				}
			})
			.bind('keydown', function(e){
				removeErrorTooltip(this);
				
				if (e.keyCode == 13) 
					$('.done_button').trigger('click');
			});
		
		$('.done_button').bind('click', function(){
			var commentId = $(this).parents('.comment').attr('id') ? $(this).parents('.comment').attr('id') : 0;
			sendComment(commentId);
			if ($('.comment_share_checkbox').is(':checked')) openFacebookSharePopup();
			return false;
		});
	}
	
	
	/**
	 * Calculate comment message characters count
	 */
	var calculateCommentCharsCount = function(){
		var textareaVal = _commentTextarea.val();
		var charsLength = textareaVal.length;
		
		var charsCountLeft = (MAX_COMMENT_CHARS_COUNT - charsLength >= 0) ? MAX_COMMENT_CHARS_COUNT - charsLength : 0;
		_charsLeftInfoSpan.text(charsCountLeft);
		
		if (charsLength > MAX_COMMENT_CHARS_COUNT) {
			var stripedComment = textareaVal.substr(0, MAX_COMMENT_CHARS_COUNT);
			_commentTextarea.val(stripedComment);
		}
	}
	
	
	/**
	 * Reset comment message characters count
	 */
	var resetCommentCharsCount = function(){
		$('.chars_left_infobox span').text(MAX_COMMENT_CHARS_COUNT);
	}
	
	/**
	 * Reset (empty) comment form elements
	 */
	var resetCommentsForm = function(){
		_commentTextarea.removeClass('error').removeClass('active').val(_commentTextareaDefaultValue);
		$('.your_name_input').removeClass('error').removeClass('active').val(_commentYourNameDefaultValue);
		$('.your_email_input').removeClass('error').removeClass('active').val(_commentYourEmailDefaultValue);
		
		$('.comments_form .checkbox').attr('checked', false);
		$('.notify_replies_checkbox').attr('checked', true);
		
		$('.error_tooltip').remove();
	}
	
	/**
	 * Show error tooltip for comment form's elements, in case of validation error
	 */
	var showErrorTooltip = function(errObj, errMessage){
		var className = $(errObj).attr('class').split(' ')[0];
		if ($('#'+className+'_tooltip').length) return;
		
		var offset = $(errObj).offset();
		$('<div>').attr('id', className+'_tooltip').addClass('error_tooltip').css({
			top : offset.top - 45,
			left : offset.left
		})
		.html(errMessage)
		.append($('<div>'))
		.appendTo('body');
	}
	
	/**
	 * Remove error tooltip from comment form's elements
	 */
	var removeErrorTooltip = function(errObj){
		var className = $(errObj).removeClass('error').attr('class');
		className = className.split(' ')[0];
		$('#'+className+'_tooltip').remove();
	}
	
	/**
	 * Validate comment form
	 */
	var validateCommentFormFields = function(){
		var isValidForPost = true;
		
		_commentTextarea.each(function(){
			if ( !$.trim($(this).val()).length || $(this).val() == _commentTextareaDefaultValue ) {
				showErrorTooltip(this, _commentNoCommentErrorMessage);
				
				$(this).addClass('error');
				isValidForPost = false;
			}
		});
		$('.your_name_input').each(function(){
			if ( !$.trim($(this).val()).length || $(this).val() == _commentYourNameDefaultValue ) {
				showErrorTooltip(this, _commentNoNameErrorMessage);
				
				$(this).addClass('error');
				isValidForPost = false;
			}
		});
		$('.your_email_input').each(function(){
			var emailRegExp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})$/;
			if ( !$.trim($(this).val()).length || !emailRegExp.test($(this).val()) || $(this).val() == _commentYourEmailDefaultValue ) {
				showErrorTooltip(this, _commentNoEmailErrorMessage);
				
				$(this).addClass('error');
				isValidForPost = false;
			}
		});
		
		return isValidForPost;
	}
	
	/**
	 * Get formated date for new posted comment
	 */
	var getFormatedCommentDate = function(){
		var dateObj = new Date();
		
		var day = dateObj.getDate() < 10 ? '0'+dateObj.getDate() : dateObj.getDate();
		var month = (dateObj.getMonth()+1) < 10 ? '0'+(dateObj.getMonth()+1) : (dateObj.getMonth()+1);
		var year = dateObj.getFullYear();
		var hours = dateObj.getHours();
		var minutes = dateObj.getMinutes() < 10 ? '0'+dateObj.getMinutes() : dateObj.getMinutes();
		var seconds = dateObj.getSeconds() < 10 ? '0'+dateObj.getSeconds() : dateObj.getSeconds();
		
		var dayPeriod = hours >= 12 ? 'PM' : 'AM';
		
		return month+'/'+day+'/'+year+' '+hours+':'+minutes+':'+seconds+' '+dayPeriod;
	}
	
	/**
	 * Send new comment
	 */
	var sendComment = function(parentId, reCaptchaData){
		if (!validateCommentFormFields()) return false;
		showWaitingIndicator('done_button');
		
		reCaptchaData = reCaptchaData || null;
		
		if (!reCaptchaData) {
			var pageId = $('.page_id').val();
			var pageItemId = $('.page_item_id').val();
			var authorName = $('.your_name_input').val();
			var authorEmail = $('.your_email_input').val();
			var commentText = _commentTextarea.val();
			var notifyReplies = $('.notify_replies_checkbox').attr('checked') ? 1 : 0;
			
			var requestData = {
				PageId : pageId,
				PageItemId : pageItemId,
				CommentText : commentText,
				AuthorName : authorName,
				AuthorEmail : authorEmail,
				ParentId : parentId,
				NotifyReplies : notifyReplies,
				Action : 'PostComment'
			}
		}
		else {
			requestData = requestDataSpam;
			requestData.CaptchaChallenge = reCaptchaData.CaptchaChallenge;
			requestData.CaptchaResponse = reCaptchaData.CaptchaResponse;
		}
		
		
		var postUrl = $('.post_url').val();
		
		$.ajax({
			url : postUrl,
			type : 'post',
			dataType : 'json',
			data : requestData,
			success : function(responseData){
				hideWaitingIndicator('done_button');
				
				if (responseData.status == 'Succeeded') {
					removeCaptcha();
					
					if (responseData.commentId) {
						requestData.CommentId = responseData.commentId;
					}
					requestData.resultText = responseData.resultText;
					requestData.tipText = responseData.tipText || '';
					requestData.CommentAuthor = requestData.AuthorName;
					
					closeCommentForm();
					
					addComment(requestData, requestData.ParentId, true);
				}
				else if (responseData.status == 'Spam') {
					closeCommentForm();
					requestDataSpam = requestData;
					
					requestCaptchaSettings();
				}
				else if (responseData.status == 'IpBlocked' || responseData.status == 'Flood') {
					alert(responseData.errorMessage);
				}
				else {
					alert(responseData.status);
				}
			},
			error : function(){
				alert($('.callbackfailure').val());
			}
		});
	}
	
	
	var showWaitingIndicator = function(className){
		var elm = $('.'+className);
		var indicatorClass = elm.attr('class')+'_waiting';
		elm.hide();
		$('.'+indicatorClass).show();
	}
	var hideWaitingIndicator = function(className){
		var elm = $('.'+className);
		var indicatorClass = elm.attr('class')+'_waiting';
		$('.'+indicatorClass).hide();
		elm.show();
	}
	
	
	/*
	 * Send request for reCaptcha settings
	 */
	var requestCaptchaSettings = function(){
		var pageId = $('.page_id').val();
		var pageItemId = $('.page_item_id').val();
		
		var requestData = {
			PageId : pageId,
			PageItemId : pageItemId,
			Action : 'GetCaptchaSettings'
		}
		
		var postUrl = $('.post_url').val();
		
		$.ajax({
			url : postUrl,
			type : 'post',
			dataType : 'json',
			data : requestData,
			success : function(responseData){
				if (responseData.status == 'Succeeded') {
					createCaptcha(responseData.PublicKey, responseData.Texts);
				}
				else {
					alert(responseData.status);
				}
			},
			error : function(){
				alert($('.callbackfailure').val());
			}
		});
	}
	
	
	/*
	 * Create reCaptcha
	 */
	var createCaptcha = function(publicKey, texts){
		if (!$('#recaptcha_container').length) {
			_spamMessageWarning = texts.SpamMessageWarning;
			_captchaSubmitButtonText = texts.SubmitButtonText;
			_wrongValidationCode = texts.WrongValidationCode;
			
			var reCaptchaDiv = $('<div>').attr('id', 'recaptcha_container').addClass('recaptcha_container').insertBefore('.comments_form');
			$('<h4>').html(_spamMessageWarning).appendTo(reCaptchaDiv);
			$('<div>').attr('id', 'recaptcha_div').addClass('recaptcha_div').appendTo(reCaptchaDiv);
			
			Recaptcha.create(publicKey, 'recaptcha_div', {
				theme: 'red',
				custom_translations : texts,
				callback: Recaptcha.focus_response_field
			});
	        
			$('<a>').attr('href', '#').html(_captchaSubmitButtonText).addClass('captcha_submit_button').click(function(){
				sendComment(null, {
					CaptchaChallenge : Recaptcha.get_challenge(), 
					CaptchaResponse : Recaptcha.get_response()
				});
				
				return false;
			}).appendTo(reCaptchaDiv);
			
	        
			$('<div>').addClass('clear_float').appendTo(reCaptchaDiv);
			
			adjustCommentsBox();
		}
		else {
			$('#recaptcha_container').children('h4').html(_wrongValidationCode);
			
			Recaptcha.reload();
		}
	}
	
	/*
	 * Remove reCaptcha
	 */
	var removeCaptcha = function(){
		if ($('#recaptcha_container').length) {
			Recaptcha.destroy();
			$('#recaptcha_container').remove();
		}
	}
	
	
	/*
	 * Initing latest comments box
	 */
	var initLatestCommentsBox = function(){
		if (!$('.latest_comments_container').length) return false;
		
		var scrollSpeed = 300;
		
		var latestCommentsBox = $('.latest_style_rounded .latest_comments');
		if (latestCommentsBox.length) {
			if ($.browser.msie) {
				if (parseInt($.browser.version) == 6) {
					window.attachEvent('onload', function(){
						latestCommentsBox.corner();
						$('.latest_comments_footer').next().children().css({fontSize:0});
						setTimeout(fixLatestComments, 1000);
					});
				}
				else {
					latestCommentsBox.corner();
					fixLatestComments();
				}
			}
			else {
				latestCommentsBox.corner();
			}
		}
		
		
		$('.latest_write_comment_link a').click(function(){
			openCommentForm();
			
			var top = $('.comments_form').offset().top - 40;
			$('html,body').animate({
				scrollTop : top
			}, scrollSpeed, function(){
				_commentTextarea.focus();
			});
			
			return false;
		});
		
		$('.latest_like_link a').click(function(){
			$('.like_link a').trigger('click');
			
			return false;
		});
		
		addEllipsisToMessages();
	}
	
	
	var fixLatestComments = function(){
		var latestCommentsBox = $('.latest_style_rounded .latest_comments');
		
		if (!latestCommentsBox.length)
			return false;
			
		var bgcolor = latestCommentsBox.css('backgroundColor');
		latestCommentsBox.css('background', 'none');
		
		$.each(latestCommentsBox.children(), function(){
			var $this = $(this);
			if ($this.is(':not(.latest_comments_footer)') && $this.is(':not(.latest_comment_header)') && $this.is(':not(.jquery-corner)')) {
				$this.css('backgroundColor', bgcolor);
			}
		});
		
		
		var topCorner = latestCommentsBox.children('.jquery-corner:first');
		
		$.each(topCorner.children(), function(){
			var width = $(this).css('borderRightWidth');
			$(this).css({
				borderRightWidth : 0,
				borderLeftWidth : 0,
				backgroundColor : bgcolor,
				marginLeft : width,
				marginRight : width,
				fontSize : 0
			});
		});
		
		var topExtraHeight = topCorner.next().height() - topCorner.height();
		
		topCorner
			.css({
				zIndex : 0
			})
			.append(
				$('<div>').css({
					backgroundColor : bgcolor,
					height : topExtraHeight,
					overflow : 'hidden'
				})
			);
		
		topCorner.next().css('position', 'relative');
		
		
		var bottomCorner = latestCommentsBox.children('.jquery-corner:last');
		
		$.each(bottomCorner.children(), function(){
			var width = $(this).css('borderRightWidth');
			$(this).css({
				borderRightWidth : 0,
				borderLeftWidth : 0,
				backgroundColor : bgcolor,
				marginLeft : width,
				marginRight : width,
				fontSize : 0
			});
		});
		
		var bottomExtraHeight = bottomCorner.prev().height() - bottomCorner.height();
		var bottomCornerTopMargin = parseInt(bottomCorner.css('marginTop')) - bottomExtraHeight;
		
		bottomCorner
			.css({
				position : 'relative',
				zIndex : 0,
				marginTop : bottomCornerTopMargin
			})
			.prepend(
				$('<div>').css({
					backgroundColor : bgcolor,
					height : bottomExtraHeight,
					overflow : 'hidden'
				})
			);
		
		bottomCorner.prev().css('position', 'relative');
	}
	
	
	/**
	 * Add ellipsis to latest comments
	 */
	var addEllipsisToMessages = function(){
		var viewAllText = $(".read_more_text").val();
		var linesCount = 3;
		var lineHeight = parseInt($('.comment_body').css('lineHeight'));
		var maxHeight = lineHeight * linesCount;
		var ieHeightBug = $.browser.msie ? 2 : 0;
		
		$('.comment_body p').each(function(){
			var orgStr = $(this).html().replace(/<br>|<br\/>/ig, ' ');
			
			var re = new RegExp(/<img[^>]+>/ig);
			var smileysArray = re.exec(orgStr);
			if (smileysArray) {
				orgStr = orgStr.substr(0, smileysArray.index + smileysArray[0].length);
				
				var smileyImage = smileysArray[0];
				orgStr = orgStr.replace(smileyImage, '#I#');
				
				$(this).html(orgStr);
			}
			
			var shortStr = orgStr;
			
			while ($(this).height() - ieHeightBug > maxHeight) {
				shortStr = shortStr.substr(0, shortStr.length-1);
				$(this).html(shortStr+'... '+viewAllText);
			}
			
			if (smileysArray) {
				shortStr = shortStr.replace('#I#', smileyImage);
			}
			
			if (shortStr < orgStr){
				$(this).html(shortStr+'... ');
			}
			else {
				$(this).html(shortStr+' ');
			}
			
			$(this).siblings('a').html(viewAllText).appendTo(this).show();
			
			$(this).parent().css({
				height : 'auto',
				overflow : 'visible'
			});
		});
	}
	
	return {
		Init : init,
		ViewComments : viewComments
	}
}();

$(function(){
	COMMENT.Init();
});