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62 lines
1.2 KiB
62 lines
1.2 KiB
var ajax;
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function init() {
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initAjax();
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}
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function initAjax() {
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try
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{
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ajax = new XMLHttpRequest();
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}
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catch(e) // IE <= 6
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{
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var XmlHttpVersions = [
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'MSXML2.XMLHTTP.6.0',
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'MSXML2.XMLHTTP.5.0',
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'MSXML2.XMLHTTP.4.0',
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'MSXML2.XMLHTTP.3.0',
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'MSXML2.XMLHTTP',
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'Microsoft.XMLHTTP'
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];
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for (var i=0; i < XmlHttpVersions.length && null === ajax; i++)
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{
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try
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{
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ajax = new ActiveXObject(XmlHttpVersions[i]);
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} catch (e) {}
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}
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if (null === ajax)
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{
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throw new Error('AJAX Error');
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}
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}
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return true;
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}
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function response() {
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if (ajax.readyState != 4 || ajax.status != 200)
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return;
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if (ajax.responseText == 'true')
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{
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document.getElementById('nick-inuse').style.display = 'inline';
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document.getElementById('nick-free').style.display = 'none';
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}
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else
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{
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document.getElementById('nick-inuse').style.display = 'none';
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document.getElementById('nick-free').style.display = 'inline';
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}
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}
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function checkNick() {
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if (ajax == null)
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init();
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if (document.getElementById('nick').value == '') return 0;
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ajax.onreadystatechange = response;
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ajax.open('GET', 'index.php?mode=checknick&nick=' + document.getElementById('nick').value);
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ajax.send(null);
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}
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