//创建XMLHTTP对象
function createXMLHttpRequest() {
    var xmlHttp = null;
    try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    } catch (e) {
        try {
            xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                xmlHttp = new XMLHttpRequest();
            } catch (e) {}
        }
    }
    return xmlHttp;
}
//请求链接
//url: 请求地址
//fun：回调函数
function startRequest(url, fun, xmlHttp) {
    xmlHttp.onreadystatechange = fun;
    xmlHttp.open("GET", url, true);
    xmlHttp.send(null);
}
//获得xml子节点
//father：父节点
//name：子节点名称
//如果获得则返回节点，没有则返回null
function getXmlChild(father, name) {
    var es = father.getElementsByTagName(name);
    if (es.length == 0)
        return null;
    else
        return es[0];
}
String.prototype.trim = function() {
    // 用正则表达式将前后空格    // 用空字符串替代。    var t = this.replace(/(^\s*)|(\s*$)/g, "");
    return t.replace(/(^　*)|(　*$)/g, "");
}
//获得xml节点值
//father：父节点
//name：子节点名称
//defaultvalue：默认值
//如果获得则返回节点值，没有则返回defaultvalue
function getXmlData(father, name, defaultvalue) {
    var es = father.getElementsByTagName(name);
    if (es.length == 0)
        return defaultvalue;
    else if (es[0].firstChild == null)
        return defaultvalue;
    else {
        for (var i = 0; i < es[0].childNodes.length; i++) {
            var node = es[0].childNodes[i];
            if (node.nodeValue != null && node.nodeValue.trim() != "") {
                return node.nodeValue;
            }
        }
        return defaultvalue;
    }
}
//把"转换为&quot;
function escapeForValue(str) {
    return str.replace(/\"/g, "&quot;");
}
//用来实现文章的计数
function getClickTimes(newsid, owner, type, randomid) {
    var url = '/system/resource/code/news/click/clicktimes.jsp';
    if (!type) type = "wbnews";
    if (!randomid) {
        randomid = "n";
    } else {
        randomid = "n" + randomid;
    }
    var xmlHttp = createXMLHttpRequest();
    var url = url + "?wbnewsid=" + newsid + "&owner=" + owner + "&type=" + type + "&randomid=" + randomid;
    xmlHttp.open("GET", url, true);
    xmlHttp.onreadystatechange = function() {
        onGetClickTimes(xmlHttp);
    };
    xmlHttp.send(null);
}
function _getBatchClickTimes(newsid, owner, type, randomid) {
    var url = '/system/resource/code/news/click/batchclicktimes.jsp';
    if (!type) type = "wbnews";
    if (!randomid) {
        randomid = "n";
    } else {
        randomid = "n" + randomid;
    }
    var wbnewsids = newsid.split(",");
    var isshow = false;
    for (var i = 0; i < wbnewsids.length; i++) {
        var obj = document.getElementById(randomid + wbnewsids[i]);
        if (obj != null)
            isshow = true;
    }
    if (isshow) {
        var xmlHttp = createXMLHttpRequest();
        var url = url + "?wbnewsid=" + newsid + "&owner=" + owner + "&type=" + type + "&randomid=" + randomid;
        xmlHttp.open("GET", url, true);
        xmlHttp.onreadystatechange = function() {
            _onGetBatchClickTimes(xmlHttp);
        };
        xmlHttp.send(null);
    }
}
//用来实现文章的计数
function _onGetBatchClickTimes(originalRequest) {
    if (originalRequest.readyState == 4 && originalRequest.status == 200) {
        var str = originalRequest.responseText;
        var json = eval("(" + str + ")");
        for (var i = 0; json != null && i < (json.length ? json.length : 1); i++) {
            var objid = json.length ? (json[i].randomid + json[i].wbnewsid) : (json.randomid + json.wbnewsid);
            var spanobj = document.getElementsByName(objid);
            if (spanobj.length > 0) {
                for (var j = 0; j < spanobj.length; j++) {
                    spanobj[j].innerHTML = json[i].clicktime;
                }
            }
        }
    }
}
//用来实现文章的计数
function onGetClickTimes(originalRequest) {
    if (originalRequest.readyState == 4 && originalRequest.status == 200) {
        var str = originalRequest.responseText;
        var json = eval("(" + str + ")");
        for (var i = 0; json != null && i < (json.length ? json.length : 1); i++) {
            var objid = json.length ? (json[i].randomid + json[i].wbnewsid) : (json.randomid + json.wbnewsid);
            var objs = document.getElementsByTagName("span");
            if (objs.length > 0) {
                for (var j = 0; j < objs.length; j++) {
                    if (objid == objs[j].id)
                        objs[j].innerHTML = json.length ? json[i].wbshowtimes : json.wbshowtimes;
                }
            }
        }
    }
}
function addClickTimes(urlid, owner, type) {
    var url = '/system/resource/code/news/click/addclicktimes.jsp';
    var xmlHttp = createXMLHttpRequest();
    var url = url + "?wburlid=" + urlid + "&owner=" + owner + "&type=" + type;
    xmlHttp.open("GET", url, true);
    xmlHttp.onreadystatechange = function() {};
    xmlHttp.send(null);
}
loadXML = function(xmlString) {
    var xmlDoc = null;
    //判断浏览器的类型
    //支持IE浏览器    if (!window.DOMParser && window.ActiveXObject) { //window.DOMParser 判断是否是非ie浏览器
        var xmlDomVersions = ['MSXML.2.DOMDocument.6.0', 'MSXML.2.DOMDocument.3.0', 'Microsoft.XMLDOM'];
        for (var i = 0; i < xmlDomVersions.length; i++) {
            try {
                xmlDoc = new ActiveXObject(xmlDomVersions[i]);
                xmlDoc.async = false;
                xmlDoc.loadXML(xmlString); //loadXML方法载入xml字符串
                break;
            } catch (e) {}
        }
    }
    //支持Mozilla浏览器
    else if (window.DOMParser && document.implementation && document.implementation.createDocument) {
        try {
            /* DOMParser 对象解析 XML 文本并返回一个 XML Document 对象。
             * 要使用 DOMParser，使用不带参数的构造函数来实例化它，然后调用其 parseFromString() 方法
             * parseFromString(text, contentType) 参数text:要解析的 XML 标记 参数contentType文本的内容类型
             * 可能是 "text/xml" 、"application/xml" 或 "application/xhtml+xml" 中的一个。注意，不支持 "text/html"。
             */
            domParser = new DOMParser();
            xmlDoc = domParser.parseFromString(xmlString, 'text/xml');
        } catch (e) {}
    } else {
        return null;
    }
    return xmlDoc;
}