var Ajax={
sendstr:"",
sendurl:"",
loading:"loading...",
method:"POST",
contentid:"",
loadingid:"",
CreateXMLHttpRequest:function() {
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;
},
getElement:function(EID) {
return (document.getElementById) ? document.getElementById(EID): document.all[EID];
},
ajccache:new Object(),
send:function() {
var XMLHttpRequest=Ajax.CreateXMLHttpRequest();
var ocontent=Ajax.getElement(Ajax.contentid);
var Cocontent=Ajax.getElement(Ajax.loadingid);
if(Ajax.ajccache[Ajax.sendurl]==null) {
XMLHttpRequest.onreadystatechange=function(){
if(XMLHttpRequest.readyState == 4 && (XMLHttpRequest.status==200 || window.location.href.indexOf("http")==-1)) {
ocontent.innerHTML=XMLHttpRequest.responseText;
Ajax.ajccache[Ajax.sendurl]=ocontent.innerHTML;
} else {
Cocontent.innerHTML=Ajax.loading;
}
}
if(Ajax.method.toUpperCase()=="POST") {
XMLHttpRequest.open("POST",Ajax.sendurl,true);
XMLHttpRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
XMLHttpRequest.send(Ajax.sendstr);
}
else {
XMLHttpRequest.open("GET",Ajax.sendurl,true);
XMLHttpRequest.send(null);
}
}else{
ocontent.innerHTML=Ajax.ajccache[Ajax.sendurl];
}
}
}
调用
Ajax.sendurl="d.php?authnum="+Math.random();
Ajax.method="post";
Ajax.contentid="Err";
Ajax.loadingid="Err";
Ajax.loading='数据加载中，请稍候...'
Ajax.sendstr="type="+type+"&SEC="+document.getElementById(pp).value;
Ajax.send();
