没什么好说的给出主要代码:
＜script language="javascript"＞
function scrollmove() {
ChatBody.scrollTop = ChatBody.scrollHeight;
}
function GetAJAX(){
var xmlhttp = false;
var xmlhttp = new ActiveXobject("Microsoft.XMLHTTP");
xmlhttp.open("POST"，"response.asp"，true);
xmlhttp.send(null);
xmlhttp.onreadystatechange=function() {
if ( xmlhttp.readyState==4 || xmlhttp.readyState==＇complete＇ ){
ChatBody.innerHTML = xmlhttp.responseText;
scrollmove();
}
}
}
function SendAJAX(){
if (ChatForm.ChatText1.value != "" && ChatForm.ChatText2.value != ""){
var DataToSend = "ChatText1=" + ChatForm.ChatText1.value + "&ChatText2=" + ChatForm.ChatText2.value;
var xmlhttp = false;
var xmlhttp = new ActiveXobject("Microsoft.XMLHTTP");
xmlhttp.open("POST"，"receive.asp"，false);
xmlhttp.setRequestHeader("Content-Type"， "application/x-www-form-urlencoded");
xmlhttp.send(DataToSend);
ChatForm.ChatText2.value = "";
GetAJAX();
}
}
setInterval(＇GetAJAX()＇， 1000);
＜/script＞
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