var xmlHttp,xmlHttp2,XML_FILE;
function createXMLHttpRequest() {
    if (window.ActiveXObject) {
        xmlHttp = new ActiveXObject("Msxml2.XMLHTTP.4.0");
    } 
    else if (window.XMLHttpRequest) {
        xmlHttp = new XMLHttpRequest();
    }
}
function hello() {

 var url = 'http://www.caihuanet.com/comment/postmessage.jsp';    
 
 createXMLHttpRequest();
 xmlHttp.onreadystatechange = showResponse;
 xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}
function showResponse(){
  if(xmlHttp.readyState == 4) {
 if(xmlHttp.status == 200) {     
var AllXML=xmlHttp.responseText;
//alert(AllXML);
document.newscomment.username.value=AllXML;
var nicknamestr=new Array();
nicknamestr=AllXML.split(",");
document.newscomment.nickname.value=nicknamestr[1]; 



 }
 }
}