//
// JavaScript implementing Ajax functions
// by Agent Data Aps
// A simple Ajax call might look like
//
//
//
//
var adAllAjaxElements = new Array();
function adAjaxElement(elmId, elmFunc) {
this.elmId = elmId;
this.elmRef = document.getElementById(this.elmId);
this.elmFunc = elmFunc;
this.GetXmlHttpObject = adAjaxGetXmlHttpObject;
this.CallbackMethod = adAjaxCallbackMethod;
this.CreateXmlHttp = adAjaxCreateXmlHttp;
adAllAjaxElements[elmId] = this;
}
//CallbackMethod will fire when the state
//has changed, i.e. data is received back
function adAjaxCallbackMethod() {
try {
//readyState of 4 or 'complete' represents
//that data has been returned
if (this.xmlHttp.readyState == 4 || this.xmlHttp.readyState == 'complete') {
this.elmRef.innerHTML = this.xmlHttp.responseText;
if (this.elmFunc) {
eval(this.elmFunc);
}
}
}
catch(e){alert("adAjaxCallbackMethod:" + e.message);}
}
function adAjaxGetXmlHttpObject() {
var objXmlHttp = null;
// Mozilla | Netscape | Safari | IE7
try {
objXmlHttp = new XMLHttpRequest();
}
catch(e) {}
// Microsoft via active X
if (objXmlHttp == null) {
objXmlHttp = adAjaxGetMSXmlHttp();
}
if (objXmlHttp == null) {
return null;
}
try {
objXmlHttp.onload = eval("new Function('adAllAjaxElements[\"" + this.elmId + "\"].CallbackMethod();')");
objXmlHttp.onerror = eval("new Function('adAllAjaxElements[\"" + this.elmId + "\"].CallbackMethod();')");
}
catch(e) {}
try {
objXmlHttp.onreadystatechange = eval("new Function('adAllAjaxElements[\"" + this.elmId + "\"].CallbackMethod();')");
}
catch(e) {}
return objXmlHttp;
}
function adAjaxGetMSXmlHttp() {
var xmlHttp = null;
var clsids = ["Msxml2.XMLHTTP.6.0","Msxml2.XMLHTTP.5.0",
"Msxml2.XMLHTTP.4.0","Msxml2.XMLHTTP.3.0",
"Msxml2.XMLHTTP.2.6","Microsoft.XMLHTTP.1.0",
"Microsoft.XMLHTTP.1","Microsoft.XMLHTTP"];
for(var i=0; i