48 lines
1.4 KiB
48 lines
1.4 KiB
function executeXhr(callback, url) {
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req = false;
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req = createHttpRequest();
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if (req) {
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req.onreadystatechange = callback;
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req.open("GET", url, true);
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req.send(null);
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} else {
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alert("Error initializing XMLHttpRequest!");
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}
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}
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function createHttpRequest() {
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var httpRequest = false;
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if (window.XMLHttpRequest) { // branch for native XMLHttpRequest object
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httpRequest = new XMLHttpRequest();
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} else if (window.ActiveXObject) { // branch for IE/Windows ActiveX version
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httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
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if (!httpRequest) {
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httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
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}
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}
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return httpRequest;
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}
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function buildOptions(xmlDoc,id) {
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var selectObj = document.getElementById(id);
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if (!selectObj || selectObj.tagName!="SELECT") {
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return;
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}
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var options = xmlDoc.getElementsByTagName("option");
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//clear select object
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for (var i = selectObj.length-1 ; i >= 0 ; i--){
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selectObj.options[i] = null;
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}
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selectObj.length = 0;
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for (var i=0; i<options.length; i++) {
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var len = selectObj.length;
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selectObj.length = len + 1;
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selectObj.options[len].value = options[i].getAttribute("value");
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selectObj.options[len].text = options[i].getAttribute("text");
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if (options[i].getAttribute("selected") =="selected") {
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selectObj.options[len].selected = true;
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}
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}
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}
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