function AjaxRequest(returnFunction, returnArgs, ajaxId) {
var xmlHttpReq;
if (returnFunction == null) {
returnFunction = function () {};
}
if (window.XMLHttpRequest) {
xmlHttpReq = new XMLHttpRequest();
if (xmlHttpReq.overrideMimeType) {
xmlHttpReq.overrideMimeType("text/html");
}
}
else if (window.ActiveXObject) {
try {
xmlHttpReq = new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e) {
try {
xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e) {
try {
xmlHttpReq = new XMLHttpRequest();
}
catch (e) {
}
}
}
}
xmlHttpReq.onreadystatechange = function() {
if (xmlHttpReq.readyState == 4) {
if (xmlHttpReq.status == 200) {
returnFunction(xmlHttpReq, returnArgs);
var ajaxId = xmlHttpReq.getResponseHeader("Ajax-ID");
AjaxTracker.remove(ajaxId);
}
}
};
this.getRequest = function() {
return xmlHttpReq;
};
this.cleanUp = function() {
xmlHttpReq.onreadystatechange = function() {};
returnFunction = null;
returnArgs = null;
xmlHttpReq = null;
};
}
var AjaxTracker = {
add : function(path, queryString, returnFunction, returnArgs) {
var ajaxId = (new Date()).getTime();
var noReturn = (returnFunction == null);
AjaxTracker["" + ajaxId] = new AjaxRequest(returnFunction, returnArgs, ajaxId);
var xmlHttpReq = AjaxTracker["" + ajaxId].getRequest();
if (queryString == null) {
queryString = "";
}
if (!endsWith(queryString, "&")) {
queryString += "&";
}
queryString += "no_cache=" + random() + "&ajax_id=" + ajaxId;
try {
if (false) {
xmlHttpReq.open("GET", path + "?" + queryString, true);
}
else {
xmlHttpReq.open("POST", path, true);
xmlHttpReq.setRequestHeader("Method", "POST " + path + " HTTP/1.1");
xmlHttpReq.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xmlHttpReq.send(queryString);
}
}
catch (e) {
}
if (noReturn) {
this.remove(ajaxId);
}
},
remove : function(id) {
if (id && AjaxTracker["" + id]) {
AjaxTracker["" + id].cleanUp();
AjaxTracker["" + id] = null;
}
}
}
function createJSONObject(JSONText) {
return eval("(" + JSONText + ")");
}
function loadForm(form, action, elId, returnFunction) {
var pos = action.indexOf("?");
var path = action;
var queryString = "";
if (pos != -1) {
path = action.substring(0, pos);
queryString = action.substring(pos + 1, action.length);
}
if (!endsWith(queryString, "&")) {
queryString += "&";
}
for (var i = 0; i < form.elements.length; i++) {
var e = form.elements[i];
if ((e.name != null) && (e.value != null)) {
queryString += e.name + "=" + encodeURIComponent(e.value) + "&";
}
}
if (elId != null) {
document.body.style.cursor = "wait";
pos = path.indexOf("/portal/layout");
path = path.substring(0, pos) + "/portal/render_portlet";
returnFunction =
function (xmlHttpReq) {
document.getElementById(elId).innerHTML = xmlHttpReq.responseText;
document.body.style.cursor = "default";
};
}
loadPage(path, queryString, returnFunction);
}
function loadPage(path, queryString, returnFunction, returnArgs) {
AjaxTracker.add(path, queryString, returnFunction, returnArgs);
}
function printJSON(data) {
if (data && data.id) {
var target = document.getElementById(data.id);
if (target) {
target.innerHTML = data.toString();
}
}
}