function AJAXRequest(url, callback) { var req = init(); req.onreadystatechange = processRequest; /* function init() { if (window.XMLHttpRequest) { return new XMLHttpRequest(); } else if (window.ActiveXObject) { return new ActiveXObject("Microsoft.XMLHTTP"); } } */ function init() { var xmlreq = false; if (window.XMLHttpRequest) { // Create XMLHttpRequest object in non-Microsoft browsers xmlreq = new XMLHttpRequest(); } else if (window.ActiveXObject) { // Create XMLHttpRequest via MS ActiveX try { // Try to create XMLHttpRequest in later versions // of Internet Explorer xmlreq = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e1) { try { // Try version supported by older versions // of Internet Explorer xmlreq = new ActiveXObject("Microsoft.XMLHTTP"); } catch (e2) { doError(e2); } } } return xmlreq; } function processRequest () { if (req.readyState == 4) { if (req.status == 200) { if (callback) callback(req); } } } this.doGet = function() { req.open("GET", url, true); req.send(null); } this.doPost = function(body) { req.open("POST", url, true); req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); req.send(body); } }
var
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