function nativeAjax(opt) {
        opt = opt || {};
        opt.method = opt.method.toUpperCase() || 'POST';
        opt.url = opt.url || '';
        opt.async = opt.async || true;
        opt.data = opt.data || null;
        opt.success = opt.success || function () {};
        opt.failed = opt.failed || function () {};
        var xhr = null;
        if (XMLHttpRequest) {
            xhr = new XMLHttpRequest();
        } else {
            xhr = new ActiveXObject('Microsoft.XMLHTTP');
        }
        var params = [];
        for (var key in opt.data) {
            params.push(key + '=' + opt.data[key]);
        }
        var postData = params.join('&');
        if (opt.method.toUpperCase() === 'POST') {
            xhr.open(opt.method, opt.url, opt.async);
            xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;charset=utf-8');
            xhr.send(postData);
        } else if (opt.method.toUpperCase() === 'GET') {
            xhr.open(opt.method, opt.url + '?' + postData, opt.async);
            xhr.send(null);
        }
        xhr.onreadystatechange = function () {
            if (xhr.readyState == 4 ) {
                if(xhr.status == 200){
                    opt.success(xhr.responseText);
                }else{
                    opt.failed(xhr.status);
                }
            }
        };
    }
    function getLocal(){
        return window.navData===undefined?parent.location:location;
    }
    function checkPower(name,success,failed){
        var _user=sessionStorage.getItem('user');
        var _id=sessionStorage.getItem('id');
        var _name=sessionStorage.getItem('name');
        if(!(_user&&_id&&_name)){
            getLocal().href='/';
        } 
        typeof success!=='function'&&(success=function(){});
        typeof failed!=='function'&&(failed=function(){getLocal().href='/';});
        nativeAjax({
            method:'get',
            url:'/ems/monitorBusiness/isPageAndReportAuthority',
            async:false,
            data:{
                type:0,
                content:name
            },
            success:function(res){
                success(res);
            },
            failed:function(code){
                failed(code);
            },
        });
    }