/**
 * bluenight.js for BlueNight Theme
 *
 * @author Yaohaixiao
 * @update 2012-11-29
 *
 */
(function($){
    var HOME_PAGE = 'http://www.yaohaixiao.com', doc = document, isIE = $.browser.msie, version = $.browser.version, // Share Article
 shareArticle = function(siteName, siteURL){
        var link = encodeURIComponent(document.location), title = encodeURIComponent(document.title.substring(0, 76)), source = encodeURIComponent(siteName), WINDOW_NAME = 'share';
        site = siteURL, getParamsOfShareWindow = function(width, height){
            return ['toolbar=0,status=0,resizable=1,width=' + width + ',height=' + height + ',left=', (screen.width - width) / 2, ',top=', (screen.height - height) / 2].join('');
        }, FBShare = $('#facebook-share'), TTShare = $('#twitter-share'), DShare = $('#delicious-share'), KXShare = $('#kaixin001-share'), RRShare = $('#renren-share'), DBShare = $('#douban-share'), SNShare = $('#sina-share'), NEShare = $('#netease-share'), QQShare = $('#tencent-share');
        
        if (FBShare[0]) {
            $(FBShare).click(function(){
                var url = 'http://facebook.com/share.php?u=' + link + '&t=' + title;
                var params = getParamsOfShareWindow(626, 436);
                window.open(url, WINDOW_NAME, params);
            });
        }
        if (TTShare[0]) {
            $(TTShare).click(function(){
                var url = 'http://twitter.com/share?url=' + link + '&text=' + title;
                var params = getParamsOfShareWindow(500, 375);
                window.open(url, WINDOW_NAME, params);
            });
        }
        if (DShare[0]) {
            $(DShare).click(function(){
                var url = 'http://delicious.com/post?url=' + link + '&title=' + title;
                var params = getParamsOfShareWindow(550, 550);
                window.open(url, WINDOW_NAME, params);
            });
        }
        if (KXShare[0]) {
            $(KXShare).click(function(){
                var url = 'http://www.kaixin001.com/repaste/share.php?rurl=' + link + '&rcontent=' + link + '&rtitle=' + title;
                var params = getParamsOfShareWindow(540, 342);
                window.open(url, WINDOW_NAME, params);
            });
        }
        if (RRShare[0]) {
            $(RRShare).click(function(){
                var url = 'http://share.renren.com/share/buttonshare?link=' + link + '&title=' + title;
                var params = getParamsOfShareWindow(626, 436);
                window.open(url, WINDOW_NAME, params);
            });
        }
        if (DBShare[0]) {
            $(DBShare).click(function(){
                var url = 'http://www.douban.com/recommend/?url=' + link + '&title=' + title;
                var params = getParamsOfShareWindow(450, 350);
                window.open(url, WINDOW_NAME, params);
            });
        }
        if (SNShare[0]) {
            $(SNShare).click(function(){
                var url = 'http://v.t.sina.com.cn/share/share.php?url=' + link + '&title=' + title;
                var params = getParamsOfShareWindow(607, 523);
                window.open(url, WINDOW_NAME, params);
            });
        }
        if (NEShare[0]) {
            $(NEShare).click(function(){
                var url = 'http://t.163.com/article/user/checkLogin.do?link=' + link + 'source=' + source + '&info=' + title + ' ' + link;
                var params = getParamsOfShareWindow(642, 468);
                window.open(url, WINDOW_NAME, params);
            });
        }
        if (QQShare[0]) {
            $(QQShare).click(function(){
                var url = 'http://v.t.qq.com/share/share.php?title=' + title + '&url=' + link + '&site=' + site;
                var params = getParamsOfShareWindow(634, 668);
                window.open(url, WINDOW_NAME, params);
            });
        }
    }, // Equal Height
 equalHeight = function(main, side){
        var mainBlock = $(main), sideBar = $(side), mainHeight = 0, sideHeight = 0;
        
        if (!mainBlock[0] || !sideBar[0]) {
            return false;
        }
        
        mainHeight = mainBlock.height();
        sideHeight = sideBar.height();
        
        if (sideHeight > mainHeight) {
            mainBlock.height(sideHeight);
        }
    }, // Back to top
 backTop = function(btnId, startTop, scrollSpeed){
        var isNumber = function(num){
            return typeof num === 'number' && isFinite(num);
        }, getScrollTop = function(){
            return doc.documentElement.scrollTop || doc.body.scrollTop;
        }, setScrollTop = function(val){
            doc.documentElement.scrollTop = val;
            doc.body.scrollTop = val;
        }, btnTop = $('#lnk-backtop'), min = 480, speed = 20, timer = null, move = function(){
            var scrollTop = getScrollTop();
            
            if (scrollTop <= 0) {
                clearInterval(timer);
                return false;
            }
            
            setScrollTop(scrollTop / 1.1);
        };
        
        if (btnId) {
            btnTop = $(btnId);
        }
        
        if (!btnTop[0]) {
            return false;
        }
        
        if (startTop && isNumber(startTop)) {
            min = startTop;
        }
        
        if (scrollSpeed && isNumber(scrollSpeed)) {
            speed = scrollSpeed;
        }
        
        $(window).scroll(function(){
            var scrollTop = getScrollTop(), viewportHeight = $(window).height();
            
            scrollTop > min ? btnTop.show(100) : btnTop.hide(150);
            
            if (isIE && version < 7) {
                setTimeout(function(){
                    btnTop.css('top', (viewportHeight + scrollTop - 80) + 'px')
                }, 100);
            }
        });
        
        btnTop.click(function(){
            timer = setInterval(move, speed);
            
            return false;
        });
    }, // Ajax Comments Pager
 ajaxCommentsPager = function(config){
        var ajaxComments = $(config.root);
        if (ajaxComments[0]) {
            ajaxComments.delegate(config.link, 'click', function(evt){
                var perPage = $(this).attr('href').split('perpage-')[1], curPageID = ($(this).attr('href').split('comment-page-')[1]).split('/')[0], curPostID = $(document.body).attr('class').split('postid-').length > 1 ? ($(document.body).attr('class').split('postid-')[1]).split(' ')[0] : '0', postID = parseInt(curPostID, 10), pageID = parseInt(curPageID, 10);
                
                $.ajax({
                    url: HOME_PAGE + "/?p=" + postID + "&action=" + config.action + "&pager_id=" + config.navContainer.replace('#', '') + "&per_page=" + perPage + "&postid=" + postID + "&pageid=" + pageID,
                    method: "GET",
                    beforeSend: function(){
                        ajaxComments.css('cursor', 'wait');
                        $(config.navContainer).html('<span class="gray">Loading comments, please wait...</span>');
                    },
                    error: function(xhr, textStatus, thrownError){
                        alert("readyState: " + xhr.readyState + " status:" + xhr.status + " statusText:" + xhr.statusText + "     responseText:" + xhr.responseText + " responseXML:" + xhr.responseXML + " onreadystatechange" + xhr.onreadystatechange);
                        alert(thrownError);
                    },
                    success: function(data){
                        ajaxComments.html(data).css('cursor', 'auto');
                        
                        ajaxComments.find('img.lazy').lazyload({
                            threshold: 100,
                            effect: "fadeIn"
                        });
                        
                        if (config.isScroll) {
                            $('html,body').animate({
                                scrollTop: $('#comments').offset().top
                            }, 800);
                        }
                    }
                });
                
                evt.preventDefault();
                evt.stopPropagation();
            });
        }
    }; // Drop Down Menus
    (function($){
        $.fn.extend({
            dropMenu: function(menuItem, subMenuItem){
                var root = $(this), CLS_HAS_MENU = 'has-sub-menu';
                
                if (!root[0]) {
                    return false;
                }
                
                
                if (!menuItem) {
                    menuItem = 'li';
                }
                
                
                if (!subMenuItem) {
                    subMenuItem = 'ul';
                }
                
                
                $(root).find(menuItem).each(function(i, li){
                    var curMenu = $(li), curLink = curMenu.is('a') ? curMenu : $(curMenu.find('a:first')), subMenus = $(subMenuItem, curMenu), hasMenu = subMenus.length >= 1, curSubMenu = null, curSubMenuLastItem = null, show = function(){
                        setTimeout(function(){
                        
                            if (!isIE || (isIE && version > 6)) {
                                curSubMenu.show(200);
                            }
                            else {
                                curSubMenu.css('display', 'block');
                            }
                        }, 100);
                        
                    }, hide = function(){
                        setTimeout(function(){
                        
                            if (!isIE || (isIE && version > 6)) {
                                curSubMenu.hide(150);
                            }
                            else {
                                curSubMenu.css('display', 'none');
                            }
                        }, 100);
                    };
                    
                    if (hasMenu) {
                        curMenu.addClass(CLS_HAS_MENU);
                        curSubMenu = $(subMenus[0]);
                        curSubMenuLastItem = curSubMenu.find('a:last');
                        
                        // mouse event
                        curMenu.hover(show, hide);
                        curLink.focus(show);
                        curSubMenuLastItem.blur(hide);
                    }
                });
            }
        });
    })(jQuery);
    
    if ($('#main-nav')[0]) {
        $('#main-nav').dropMenu();
    }
    else {
        if ($('#main-navigation')[0]) {
            $('#main-navigation').dropMenu();
        }
    }
    
    if ($('#side-popular-posts')[0]) {
        $('#side-popular-posts').dropMenu('li', '.popular-entry');
    }
    
    if ($('#footer-popular-posts')[0]) {
        $('#footer-popular-posts').dropMenu('li', '.popular-entry');
    }
    
    shareArticle('YAOHAIXIAO.COM', HOME_PAGE);
    ajaxCommentsPager({
        root: '#ajax-comments',
        link: '.page-numbers',
        action: 'compageajax',
        navContainer: '#comments-navigation',
        isScroll: true
    });
    ajaxCommentsPager({
        root: '#side-recentcomments',
        link: '.page-numbers',
        action: 'rectcompageajax',
        navContainer: '#side-recentcomments-pager'
    });
    ajaxCommentsPager({
        root: '#footer-recentcomments',
        link: '.page-numbers',
        action: 'rectcompageajax',
        navContainer: '#footer-recentcomments-pager'
    });
    equalHeight('#main', '#side');
    backTop();
    
    $('#main img.lazy').lazyload({
        threshold: 100,
        effect: "fadeIn"
    });
    $('#side img.lazy').lazyload({
        threshold: 100,
        effect: "fadeIn"
    });
    $('#footer-widgets img.lazy').lazyload({
        threshold: 100,
        effect: "fadeIn"
    });
})(jQuery);