63 lines
2.0 KiB
JavaScript
63 lines
2.0 KiB
JavaScript
function accessURL(url, params, method, postCompletionCallback, visname) {
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var xhr=null;
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if (typeof XMLHttpRequest == "undefined")
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XMLHttpRequest = function () {
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try { return new ActiveXObject("Msxml2.XMLHTTP.6.0"); }
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catch (e) {}
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try { return new ActiveXObject("Msxml2.XMLHTTP.3.0"); }
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catch (e) {}
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try { return new ActiveXObject("Microsoft.XMLHTTP"); }
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catch (e) {}
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throw new Error("This browser does not support XMLHttpRequest.");
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};
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xhr = new XMLHttpRequest();
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xhr.onreadystatechange = function()
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{
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try{
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// if((xhr.readyState == 3) || (xhr.readyState == 4)){
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// alert("Resp text: "+xhr.responseText + "<br></br>Resp XML: "+xhr.responseXML +"<br></br>Status: "+ xhr.status +"<br></br>status Text: "+ xhr.statusText);
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// }
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if(xhr.readyState == 4)
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{
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if(xhr.status == 200) {
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// document.ajax.dyn="Received:" + xhr.responseText;
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var outcome=xhr.responseText;
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// alert(xhr.responseText);
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postCompletionCallback(outcome, visname);
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}
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else {
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//alert("Error code " + xhr.status);
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outcome="Error: "+xhr.responseText;
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postCompletionCallback(outcome, visname);
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}
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} else {
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// alert("state is:"+xhr.readyState+" status is"+xhr.status+ "response text is: "+xhr.responseText);
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// alert("ready False");
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}
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}catch(e) {
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}
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};
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if (method=="POST"){
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xhr.open("POST", url, true);
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xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
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xhr.setRequestHeader("Content-length", params.length);
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xhr.send(params);
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}
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else {
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if (params.length>0){
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url+='?'+params;
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}
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xhr.open("GET", url, true);
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xhr.send(null);
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}
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}
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