var request = false;
   try {
     request = new XMLHttpRequest();
   } catch (trymicrosoft) {
     try {
       request = new ActiveXObject("Msxml2.XMLHTTP");
     } catch (othermicrosoft) {
       try {
         request = new ActiveXObject("Microsoft.XMLHTTP");
       } catch (failed) {
         request = false;
       }  
     }
   }
   if (!request)
     alert("你正在使用的浏览器不支持XMLHttpRequest组件，将查看不到部分信息！建议使用IE5以上浏览器。");

   function getLDInfo(seturl,setmethod,setid) {//getLDInfo("index.asp","post","testid");
     request.open(setmethod, seturl, true);
     request.onreadystatechange =function() {
     if (request.readyState == 4) {
       if (request.status == 200) {
       document.all[setid].innerHTML=request.responseText.replace(/\n/g, "");
       }else{
         document.all[setid].innerHTML="读取数据出错！";
        }
     }else{
     	document.all[setid].innerHTML="";
    }
   }
   
     request.send(null);
return false;
   }
  
   function chkInfo(seturl,setmethod) {
     request.open(setmethod, seturl, true);
     request.onreadystatechange =function() {
     if (request.readyState == 4) {
       if (request.status == 200) {
       alert(request.responseText.replace(/\n/g, ""));
       }else{
         alert("读取数据失败,请重试！");
        }
     }
   }
     request.send(null);
return false;
   }