?? ajax.js
字號(hào):
/*
[EasyJForum] (C)2008 Hongshee Soft.
$file: ajax.js $
$Date: 2008-04-08 $
*/
var AjaxUrls = new Array();
function Ajax()
{
var aj = new Object();
aj.resultHandle = null;
aj.targetUrl = '';
aj.XMLHttpRequest = createXMLHttpRequest();
aj.processHandle = function() {
if(aj.XMLHttpRequest.readyState == 4 && aj.XMLHttpRequest.status == 200) {
for(k in AjaxUrls) {
if(AjaxUrls[k] == aj.targetUrl) {
AjaxUrls[k] = null;
}
}
aj.resultHandle(aj.XMLHttpRequest.responseXML.lastChild.firstChild.nodeValue, aj);
}
}
aj.get = function(targetUrl, resultHandle) {
if(isInArray(targetUrl, AjaxUrls)) {
return false;
} else {
AjaxUrls.push(targetUrl);
}
aj.targetUrl = targetUrl;
aj.XMLHttpRequest.onreadystatechange = aj.processHandle;
aj.resultHandle = resultHandle;
var delay = 100;
if(window.XMLHttpRequest) {
setTimeout(function(){
aj.XMLHttpRequest.open('GET', aj.targetUrl);
aj.XMLHttpRequest.send(null);}, delay);
} else {
setTimeout(function(){
aj.XMLHttpRequest.open("GET", targetUrl, true);
aj.XMLHttpRequest.send();}, delay);
}
}
return aj;
}
function createXMLHttpRequest()
{
var request = false;
if(window.XMLHttpRequest) {
request = new XMLHttpRequest();
if(request.overrideMimeType) {
request.overrideMimeType('text/xml');
}
} else if(window.ActiveXObject) {
var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0',
'Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
for(var i=0; i<versions.length; i++) {
try {
request = new ActiveXObject(versions[i]);
if(request) {
return request;
}
} catch(e) {}
}
}
return request;
}
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