48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
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var port = location.href.substring( location.href.substring(7).indexOf(':')+8,
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location.href.substring(7).indexOf('/')+7);
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// Returns an ajax object
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function ajaxConnect() {
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var http = null;
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if(window.XMLHttpRequest)
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http = new XMLHttpRequest();
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else if (window.ActiveXObject)
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http = new ActiveXObject("Microsoft.XMLHTTP");
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return http;
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}
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/* returns a function that can be passed to http.send
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* that runs code fn on successful response
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* http: ajac object
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* fn: function taking one argument, the response string
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* run if successful connection
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* err: OPTIONAL argument that contains a funtion
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* to be run if the connection failed
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*/
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function returnfn(http, fn, err) {
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if (!fn)
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fn = function(resp) {};
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if (!err)
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err = function() {};
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return function() {
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if (http.readyState == 4) {
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if (http.responseText == '')
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err();
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else
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fn(http.responseText);
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}
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};
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}
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// Does ajax magic. Makes ajax call with data and sets up
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// retfn to be called on response
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function ajaxSend(http, data, retfn, forward) {
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if (!forward)
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forward = '';
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http.onreadystatechange = retfn;
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http.open('POST', "http://localhost:"+port+"/"+ forward, true);
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http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
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http.send(data);
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}
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