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var ajax = {}; | |
ajax.x = function () { | |
if (typeof XMLHttpRequest !== 'undefined') { | |
return new XMLHttpRequest(); | |
} | |
var versions = [ | |
"MSXML2.XmlHttp.6.0", | |
"MSXML2.XmlHttp.5.0", | |
"MSXML2.XmlHttp.4.0", | |
"MSXML2.XmlHttp.3.0", | |
"MSXML2.XmlHttp.2.0", | |
"Microsoft.XmlHttp" | |
]; | |
var xhr; | |
for (var i = 0; i < versions.length; i++) { | |
try { | |
xhr = new ActiveXObject(versions[i]); | |
break; | |
} catch (e) { | |
} | |
} | |
return xhr; | |
}; | |
ajax.send = function (url, callback, method, data, async) { | |
if (async === undefined) { | |
async = true; | |
} | |
var x = ajax.x(); | |
x.open(method, url, async); | |
x.onreadystatechange = function () { | |
if (x.readyState == 4) { | |
callback(x.responseText) | |
} | |
}; | |
if (method == 'POST') { | |
x.setRequestHeader('Content-type', 'application/x-www-form-urlencoded'); | |
} | |
x.send(data) | |
}; | |
ajax.get = function (url, data, callback, async) { | |
var query = []; | |
for (var key in data) { | |
query.push(encodeURIComponent(key) + '=' + encodeURIComponent(data[key])); | |
} | |
ajax.send(url + (query.length ? '?' + query.join('&') : ''), callback, 'GET', null, async) | |
}; | |
ajax.post = function (url, data, callback, async) { | |
var query = []; | |
for (var key in data) { | |
query.push(encodeURIComponent(key) + '=' + encodeURIComponent(data[key])); | |
} | |
ajax.send(url, callback, 'POST', query.join('&'), async) | |
}; |
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