var userAgent = navigator.userAgent.toLowerCase();
var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko') && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);
var is_safari = (userAgent.indexOf('webkit') != -1 || userAgent.indexOf('safari') != -1);
var note_step = 0;
var note_oldtitle = document.title;
var note_timer;

//iframe包含
if (top.location != location) {
    top.location.href = location.href;
}

function $(id) {
    return document.getElementById(id);
}

function addSort(obj) {
    if (obj.value == 'addoption') {
        var newOptDiv = document.createElement('div')
        newOptDiv.id = obj.id+'_menu';
        newOptDiv.innerHTML = '<h1>添加</h1><a href="javascript:;" onclick="addOption(\'newsort\', \''+obj.id+'\')" class="float_del">删除</a><div class="popupmenu_inner" style="text-align: center;">名称：<input type="text" name="newsort" size="10" id="newsort" class="t_input" /><input type="button" name="addSubmit" value="创建" onclick="addOption(\'newsort\', \''+obj.id+'\')" class="button button2_ok" /></div>';
        newOptDiv.className = 'popupmenu_centerbox';
        newOptDiv.style.cssText = 'position: absolute; left: 50%; top: 200px; width: 400px; margin-left: -200px;';
        document.body.appendChild(newOptDiv);
        $('newsort').focus();
    }
}
	
function addOption(sid, aid) {
    var obj = $(aid);
    var newOption = $(sid).value;
    $(sid).value = "";
    if (newOption!=null && newOption!='') {
        var newOptionTag=document.createElement('option');
        newOptionTag.text=newOption;
        newOptionTag.value="new:" + newOption;
        try {
            obj.add(newOptionTag, obj.options[0]); // doesn't work in IE
        } catch(ex) {
            obj.add(newOptionTag, obj.selecedIndex); // IE only
        }
        obj.value="new:" + newOption;
    } else {
        obj.value=obj.options[0].value;
    }
    // Remove newOptDiv
    var newOptDiv = document.getElementById(aid+'_menu');
    var parent = newOptDiv.parentNode;
    var removedChild = parent.removeChild(newOptDiv);
}

function checkAll(form, name) {
    for(var i = 0; i < form.elements.length; i++) {
        var e = form.elements[i];
        if(e.name.match(name)) {
            e.checked = form.elements['chkall'].checked;
        }
    }
}

function cnCode(str) {
    return is_ie && document.charset == 'utf-8' ? encodeURIComponent(str) : str;
}

function isUndefined(variable) {
    return typeof variable == 'undefined' ? true : false;
}

function in_array(needle, haystack) {
    if(typeof needle == 'string' || typeof needle == 'number') {
        for(var i in haystack) {
            if(haystack[i] == needle) {
                return true;
            }
        }
    }
    return false;
}

function strlen(str) {
    return (is_ie && str.indexOf('\n') != -1) ? str.replace(/\r?\n/g, '_').length : str.length;
}

function getExt(path) {
    return path.lastIndexOf('.') == -1 ? '' : path.substr(path.lastIndexOf('.') + 1, path.length).toLowerCase();
}

function doane(event) {
    e = event ? event : window.event;
    if(is_ie) {
        e.returnValue = false;
        e.cancelBubble = true;
    } else if(e) {
        e.stopPropagation();
        e.preventDefault();
    }
}

//验证码
function seccode() {
    var img = 'do.php?ac=seccode&rand='+Math.random();
    document.writeln('<img id="img_seccode" src="'+img+'" align="absmiddle">');
}
function updateseccode() {
    var img = 'do.php?ac=seccode&rand='+Math.random();
    if($('img_seccode')) {
        $('img_seccode').src = img;
    }
}

//缩小图片并添加链接
function resizeImg(id,size) {
    var theImages = $(id).getElementsByTagName('img');
    for (i=0; i<theImages.length; i++) {
        theImages[i].onload = function() {
            if (this.width > size) {
                this.style.width = size + 'px';
                if (this.parentNode.tagName.toLowerCase() != 'a') {
                    var zoomDiv = document.createElement('div');
                    this.parentNode.insertBefore(zoomDiv,this);
                    zoomDiv.appendChild(this);
                    zoomDiv.style.position = 'relative';
                    zoomDiv.style.cursor = 'pointer';
					
                    this.title = '点击图片，在新窗口显示原始尺寸';
					
                    var zoom = document.createElement('img');
                    zoom.src = 'image/zoom.gif';
                    zoom.style.position = 'absolute';
                    zoom.style.marginLeft = size -28 + 'px';
                    zoom.style.marginTop = '5px';
                    this.parentNode.insertBefore(zoom,this);
					
                    zoomDiv.onmouseover = function() {
                        zoom.src = 'image/zoom_h.gif';
                    }
                    zoomDiv.onmouseout = function() {
                        zoom.src = 'image/zoom.gif';
                    }
                    zoomDiv.onclick = function() {
                        window.open(this.childNodes[1].src);
                    }
                }
            }
        }
    }
}

//Ctrl+Enter 发布
function ctrlEnter(event, btnId, onlyEnter) {
    if(isUndefined(onlyEnter)) onlyEnter = 0;
    if((event.ctrlKey || onlyEnter) && event.keyCode == 13) {
        $(btnId).click();
        return false;
    }
    return true;
}
//缩放Textarea
function zoomTextarea(id, zoom) {
    zoomSize = zoom ? 10 : -10;
    obj = $(id);
    if(obj.rows + zoomSize > 0 && obj.cols + zoomSize * 3 > 0) {
        obj.rows += zoomSize;
        obj.cols += zoomSize * 3;
    }
}

//复制URL地址
function setCopy(_sTxt){
    if(is_ie) {
        clipboardData.setData('Text',_sTxt);
        alert ("网址“"+_sTxt+"”\n已经复制到您的剪贴板中\n您可以使用Ctrl+V快捷键粘贴到需要的地方");
    } else {
        prompt("请复制网站地址:",_sTxt);
    }
}

//验证是否有选择记录
function ischeck(id, prefix) {
    form = document.getElementById(id);
    for(var i = 0; i < form.elements.length; i++) {
        var e = form.elements[i];
        if(e.name.match(prefix) && e.checked) {
            if(confirm("您确定要执行本操作吗？")) {
                return true;
            } else {
                return false;
            }
        }
    }
    alert('请选择要操作的对象');
    return false;
}
function showPreview(val, id) {
    var showObj = $(id);
    if(typeof showObj == 'object') {
        showObj.innerHTML = val.replace(/\n/ig, "<br />");
    }
}

function getEvent() {
    if (document.all) return window.event;
    func = getEvent.caller;
    while (func != null) {
        var arg0 = func.arguments[0];
        if (arg0) {
            if((arg0.constructor==Event || arg0.constructor ==MouseEvent) || (typeof(arg0)=="object" && arg0.preventDefault && arg0.stopPropagation)) {
                return arg0;
            }
        }
        func=func.caller;
    }
    return null;
}
 
function copyRow(tbody) {
    var add = false;
    var newnode;
    if($(tbody).rows.length == 1 && $(tbody).rows[0].style.display == 'none') {
        $(tbody).rows[0].style.display = '';
        newnode = $(tbody).rows[0];
    } else {
        newnode = $(tbody).rows[0].cloneNode(true);
        add = true;
    }
    tags = newnode.getElementsByTagName('input');
    for(i in tags) {
        if(tags[i].name == 'pics[]') {
            tags[i].value = 'http://';
        }
    }
    if(add) {
        $(tbody).appendChild(newnode);
    }
}
	
function delRow(obj, tbody) {
    if($(tbody).rows.length == 1) {
        var trobj = obj.parentNode.parentNode;
        tags = trobj.getElementsByTagName('input');
        for(i in tags) {
            if(tags[i].name == 'pics[]') {
                tags[i].value = 'http://';
            }
        }
        trobj.style.display='none';
    } else {
        $(tbody).removeChild(obj.parentNode.parentNode);
    }
}

function insertWebImg(obj) {
    if(checkImage(obj.value)) {
        insertImage(obj.value);
        obj.value = 'http://';
    } else {
        alert('图片地址不正确');
    }
}

function checkFocus(target) {
    var obj = $(target);
    if(!obj.hasfocus) {
        obj.focus();
    }
}
function insertImage(text) {
    text = "\n[img]" + text + "[/img]\n";
    insertContent('message', text)
}

function insertContent(target, text) {
    var obj = $(target);
    selection = document.selection;
    checkFocus(target);
    if(!isUndefined(obj.selectionStart)) {
        var opn = obj.selectionStart + 0;
        obj.value = obj.value.substr(0, obj.selectionStart) + text + obj.value.substr(obj.selectionEnd);
    } else if(selection && selection.createRange) {
        var sel = selection.createRange();
        sel.text = text;
        sel.moveStart('character', -strlen(text));
    } else {
        obj.value += text;
    }
}

function checkImage(url) {
    var re = /^http\:\/\/.{5,200}\.(jpg|gif|png)$/i
    return url.match(re);
}

function quick_validate(obj) {
    if($('seccode')) {
        var code = $('seccode').value;
        var x = new Ajax();
        x.get('cp.php?ac=common&op=seccode&code=' + code, function(s){
            s = trim(s);
            if(s != 'succeed') {
                alert(s);
                $('seccode').focus();
                return false;
            } else {
                obj.form.submit();
                return true;
            }
        });
    } else {
        obj.form.submit();
        return true;
    }
}

function trim(str) { 
    var re = /\s*(\S[^\0]*\S)\s*/;
    re.exec(str);
    return RegExp.$1;
}
// 停止音乐flash
function stopMusic(preID, playerID) {
    var musicFlash = preID.toString() + '_' + playerID.toString();
    if($(musicFlash)) {
        $(musicFlash).SetVariable('closePlayer', 1);
    }
}
// 显示影视、音乐flash
function showFlash(host, flashvar, obj, shareid) {
    var flashAddr = {
        'youku.com' : 'http://player.youku.com/player.php/sid/FLASHVAR=/v.swf',
        'ku6.com' : 'http://player.ku6.com/refer/FLASHVAR/v.swf',
        'youtube.com' : 'http://www.youtube.com/v/FLASHVAR',
        '5show.com' : 'http://www.5show.com/swf/5show_player.swf?flv_id=FLASHVAR',
        'sina.com.cn' : 'http://vhead.blog.sina.com.cn/player/outer_player.swf?vid=FLASHVAR',
        'sohu.com' : 'http://v.blog.sohu.com/fo/v4/FLASHVAR',
        'mofile.com' : 'http://tv.mofile.com/cn/xplayer.swf?v=FLASHVAR',
        'music' : 'FLASHVAR',
        'flash' : 'FLASHVAR'
    };
    var flash = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="480" height="400">'
    + '<param name="movie" value="FLASHADDR" />'
    + '<param name="quality" value="high" />'
    + '<param name="bgcolor" value="#FFFFFF" />'
    + '<embed width="480" height="400" menu="false" quality="high" src="FLASHADDR" type="application/x-shockwave-flash" />'
    + '</object>';
    var videoFlash = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="480" height="450">'
    + '<param value="transparent" name="wmode"/>'
    + '<param value="FLASHADDR" name="movie" />'
    + '<embed src="FLASHADDR" wmode="transparent" allowfullscreen="true" type="application/x-shockwave-flash" width="480" height="450"></embed>'
    + '</object>';
    var musicFlash = '<object id="audioplayer_SHAREID" height="24" width="290" data="image/player.swf" type="application/x-shockwave-flash">'
    + '<param value="image/player.swf" name="movie"/>'
    + '<param value="autostart=yes&bg=0xCDDFF3&leftbg=0x357DCE&lefticon=0xF2F2F2&rightbg=0xF06A51&rightbghover=0xAF2910&righticon=0xF2F2F2&righticonhover=0xFFFFFF&text=0x357DCE&slider=0x357DCE&track=0xFFFFFF&border=0xFFFFFF&loader=0xAF2910&soundFile=FLASHADDR" name="FlashVars"/>'
    + '<param value="high" name="quality"/>'
    + '<param value="false" name="menu"/>'
    + '<param value="#FFFFFF" name="bgcolor"/>'
    + '</object>';
    var musicMedia = '<object height="64" width="290" data="FLASHADDR" type="audio/x-ms-wma">'
    + '<param value="FLASHADDR" name="src"/>'
    + '<param value="1" name="autostart"/>'
    + '<param value="true" name="controller"/>'
    + '</object>';
    var flashHtml = videoFlash;
    var videoMp3 = true;
    if('' == flashvar) {
        alert('音乐地址错误，不能为空');
        return false;
    }
    if('music' == host) {
        var mp3Reg = new RegExp('.mp3$', 'ig');
        var flashReg = new RegExp('.swf$', 'ig');
        flashHtml = musicMedia;
        videoMp3 = false
        if(mp3Reg.test(flashvar)) {
            videoMp3 = true;
            flashHtml = musicFlash;
        } else if(flashReg.test(flashvar)) {
            videoMp3 = true;
            flashHtml = flash;
        }
    }
    flashvar = encodeURI(flashvar);
    if(flashAddr[host]) {
        var flash = flashAddr[host].replace('FLASHVAR', flashvar);
        flashHtml = flashHtml.replace(/FLASHADDR/g, flash);
        flashHtml = flashHtml.replace(/SHAREID/g, shareid);
    }
	
    if(!obj) {
        $('flash_div_' + shareid).innerHTML = flashHtml;
        return true;
    }
    if($('flash_div_' + shareid)) {
        $('flash_div_' + shareid).style.display = '';
        $('flash_hide_' + shareid).style.display = '';
        obj.style.display = 'none';
        return true;
    }
    if(flashAddr[host]) {
        var flashObj = document.createElement('div');
        flashObj.id = 'flash_div_' + shareid;
        obj.parentNode.insertBefore(flashObj, obj);
        flashObj.innerHTML = flashHtml;
        obj.style.display = 'none';
        var hideObj = document.createElement('div');
        hideObj.id = 'flash_hide_' + shareid;
        var nodetxt = document.createTextNode("收起");
        hideObj.appendChild(nodetxt);
        obj.parentNode.insertBefore(hideObj, obj);
        hideObj.style.cursor = 'pointer';
        hideObj.onclick = function() {
            if(true == videoMp3) {
                stopMusic('audioplayer', shareid);
                flashObj.parentNode.removeChild(flashObj);
                hideObj.parentNode.removeChild(hideObj);
            } else {
                flashObj.style.display = 'none';
                hideObj.style.display = 'none';
            }
            obj.style.display = '';
        }
    }
}

//显示全部应用
function userapp_open() {
    var x = new Ajax();
    x.get('cp.php?ac=common&op=getuserapp', function(s){
        $('my_userapp').innerHTML = s;
        $('a_app_more').className = 'on';
        $('a_app_more').innerHTML = '收起';
        $('a_app_more').onclick = function() {
            userapp_close();
        }
    });
}

//关闭全部应用
function userapp_close() {
    var x = new Ajax();
    x.get('cp.php?ac=common&op=getuserapp&subop=off', function(s){
        $('my_userapp').innerHTML = s;
        $('a_app_more').className = 'off';
        $('a_app_more').innerHTML = '展开';
        $('a_app_more').onclick = function() {
            userapp_open();
        }
    });
}

//滚动
function startMarquee(h, speed, delay, sid) {
    var t = null;
    var p = false;
    var o = $(sid);
    o.innerHTML += o.innerHTML;
    o.onmouseover = function() {
        p = true
    }
    o.onmouseout = function() {
        p = false
    }
    o.scrollTop = 0;
    function start() {
        t = setInterval(scrolling, speed);
        if(!p) {
            o.scrollTop += 2;
        }
    }
    function scrolling() {
        if(p) return;
        if(o.scrollTop % h != 0) {
            o.scrollTop += 2;
            if(o.scrollTop >= o.scrollHeight/2) o.scrollTop = 0;
        } else {
            clearInterval(t);
            setTimeout(start, delay);
        }
    }
    setTimeout(start, delay);
}

function readfeed(obj, id) {
    if(Cookie.get("read_feed_ids")) {
        var fcookie = Cookie.get("read_feed_ids");
        fcookie = id + ',' + fcookie;
    } else {
        var fcookie = id;
    }
    Cookie.set("read_feed_ids", fcookie, 48);
    obj.className = 'feedread';
}

function showreward() {
    if(Cookie.get('reward_notice_disable')) {
        return false;
    }
    var x = new Ajax();
    x.get('do.php?ac=ajax&op=getreward', function(s){
        if(s) {
    //msgwin(s, 2000);
    }
    });
}

function msgwin(s, t) {
	
    var msgWinObj = $('msgwin');
    if(!msgWinObj) {
        var msgWinObj = document.createElement("div");
        msgWinObj.id = 'msgwin';
        msgWinObj.style.display = 'none';
        msgWinObj.style.position = 'absolute';
        msgWinObj.style.zIndex = '555555';
        $('append_parent').appendChild(msgWinObj);
    }
    msgWinObj.innerHTML = s;
    msgWinObj.style.display = '';
    msgWinObj.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=0)';
    msgWinObj.style.opacity = 0;
    var sTop = document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop;
    pbegin = sTop + (document.documentElement.clientHeight / 2);
    pend = sTop + (document.documentElement.clientHeight / 5);
    setTimeout(function () {
        showmsgwin(pbegin, pend, 0, t)
    }, 10);
    msgWinObj.style.left = ((document.documentElement.clientWidth - msgWinObj.clientWidth) / 2) + 'px';
    msgWinObj.style.top = pbegin + 'px';
}

function showmsgwin(b, e, a, t) {
    step = (b - e) / 10;
    var msgWinObj = $('msgwin');
    newp = (parseInt(msgWinObj.style.top) - step);
    if(newp > e) {
        msgWinObj.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + a + ')';
        msgWinObj.style.opacity = a / 100;
        msgWinObj.style.top = newp + 'px';
        setTimeout(function () {
            showmsgwin(b, e, a += 10, t)
        }, 10);
    } else {
        msgWinObj.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=100)';
        msgWinObj.style.opacity = 1;
        setTimeout('displayOpacity(\'msgwin\', 100)', t);
    }
}

function displayOpacity(id, n) {
    if(!$(id)) {
        return;
    }
    if(n >= 0) {
        n -= 10;
        $(id).style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + n + ')';
        $(id).style.opacity = n / 100;
        setTimeout('displayOpacity(\'' + id + '\',' + n + ')', 50);
    } else {
        $(id).style.display = 'none';
        $(id).style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=100)';
        $(id).style.opacity = 1;
    }
}

function display(id) {
    var obj = $(id);
    obj.style.display = obj.style.display == '' ? 'none' : '';
}

function urlto(url) {
    window.location.href = url;
}

function explode(sep, string) {
    return string.split(sep);
}

function selector(pattern, context) {
    var re = new RegExp('([a-z]*)([\.#:]*)(.*|$)', 'ig');
    var match = re.exec(pattern);
    var conditions = [];
    if (match[2] == '#')	conditions.push(['id', match[3]]);
    else if(match[2] == '.')	conditions.push(['className', match[3]]);
    else if(match[2] == ':')	conditions.push(['type', match[3]]);
    var s = match[3].replace(/\[(.*)\]/g,'$1').split('@');
    for(var i=0; i<s.length; i++) {
        var cc = null;
        if (cc = /([\w]+)([=^%!$~]+)(.*)$/.exec(s[i])){
            conditions.push([cc[1], cc[2], cc[3]]);
        }
    }
    var list = (context || document).getElementsByTagName(match[1] || "*");
    if(conditions) {
        var elements = [];
        var attrMapping = {
            'for': 'htmlFor',
            'class': 'className'
        };
        for(var i=0; i<list.length; i++) {
            var pass = true;
            for(var j=0; j<conditions.length; j++) {
                var attr = attrMapping[conditions[j][0]] || conditions[j][0];
                var val = list[i][attr] || (list[i].getAttribute ? list[i].getAttribute(attr) : '');
                var pattern = null;
                if(conditions[j][1] == '=') {
                    pattern = new RegExp('^'+conditions[j][2]+'$', 'i');
                } else if(conditions[j][1] == '^=') {
                    pattern = new RegExp('^' + conditions[j][2], 'i');
                } else if(conditions[j][1] == '$=') {
                    pattern = new RegExp(conditions[j][2] + '$', 'i');
                } else if(conditions[j][1] == '%=') {
                    pattern = new RegExp(conditions[j][2], 'i');
                } else if(conditions[j][1] == '~=') {
                    pattern = new RegExp('(^|[ ])' + conditions[j][2] + '([ ]|$)', 'i');
                }
                if(pattern && !pattern.test(val)) {
                    pass = false;
                    break;
                }
            }
            if(pass) elements.push(list[i]);
        }
        return elements;
    } else {
        return list;
    }
}

function addBookmark(title, url) {
    if (document.all) {
        window.external.AddFavorite(url, title);
    } else if( window.sidebar ) {
        window.sidebar.addPanel(title, url, "");
    } else if( window.opera && window.print ) {
    }
    return false;
}

function setHomepage(url)
{
    if (document.all)
    {
        document.body.style.behavior='url(#default#homepage)';
        document.body.setHomePage(url);
    }
    else if (window.sidebar)
    {
        if(window.netscape)
        {
            try
            {
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
            }
            catch (e)
            {
                alert( "该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true" );
            }
        }
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);
        prefs.setCharPref('browser.startup.homepage','http://www.carzymusic.com');
    }
    return false;
}