function getHTTPObject()       
    {                       
          var http;
          var browser = navigator.appName;
          if(browser == "Microsoft Internet Explorer") 
          {
               //如果用户使用IE，就返回XMLHTTP的ActiveX对象
                http = new ActiveXObject("Microsoft.XMLHTTP"); 
          }
          else
          {
                //否则返回一个XMLHttpRequest对象
                  http = new XMLHttpRequest(); 
          }

          return http;
    }
    
    //获取全局的HTTP请求对象
    var http = getHTTPObject(); 

    //处理请求状态变化
    function doValidate()       
    { 
         //4表示请求已完成
          if (http.readyState == 4) 
          {
                //获取服务段的响应文本
                var helloStr = http.responseText;
                helloStr = helloStr.replace(/(^\s+)|(\s+$)/g,"");
               	if(helloStr=="noLogin"){
                    var localurl = location.href;
                    window.location.href="http://www.wmsh.gov.cn:8094/wmw/userlogin.jsp?localurl="+localurl;
                }else{document.getElementById("sbody").style.display="block";}
              
                
          }
    }

    function doValidateMEMBER()
    {
          var localurl = location.href;
		  
          var url = "http://www.wmsh.gov.cn:8094/wmw/check_login.jsp?&localurl="+localurl+"&radom="+Math.random();
          //指定服务端的地址
          http.open("GET", url, true); 


          //请求状态变化时的处理函数
          http.onreadystatechange = doValidate; 


          //发送请求
          http.send(null);         
    }