XDomainRequest on IE9 Access Denied

XDomainRequest on IE9 Access Denied

When going through my work network the following code works on IE9 and
Cross domain json call. When trying the same code via my 3G modem I get an
Error Access is Denied. It works in chrome and firefox thou. Only IE9
giving Access is Denied. Please assist...
if (!jQuery.support.cors && window.XDomainRequest) {
//alert("in cors");
var httpRegEx = /^http?:\/\//i;
var getOrPostRegEx = /^get|post$/i;
var sameSchemeRegEx = new RegExp('^'+location.protocol, 'i');
var xmlRegEx = /\/xml/i;
// ajaxTransport exists in jQuery 1.5+
jQuery.ajaxTransport('text html xml json', function(options, jqXHR){
// XDomainRequests must be: asynchronous, GET or POST methods,
HTTP or HTTPS protocol, and same scheme as calling page
if (params.crossDomain && params.async &&
getOrPostRegEx.test(params.type) && httpRegEx.test(options.url) &&
sameSchemeRegEx.test(options.url)) {
var xdr = null;
var userType = (options.dataType||'').toLowerCase();
return {
send: function(headers, complete){
xdr = new XDomainRequest();
if (/^\d+$/.test(options.timeout)) {
xdr.timeout = options.timeout;
}
xdr.ontimeout = function(){
complete(500, 'timeout');
};
xdr.onload = function(){
alert("OnLoad");
var allResponseHeaders = 'Content-Length: ' +
xdr.responseText.length + '\r\nContent-Type: ' +
xdr.contentType;
var status = {
code: 200,
message: 'success'
};
var responses = {
text: xdr.responseText
};
try {
if (userType === 'json') {
try {
responses.json =
JSON.parse(xdr.responseText);
} catch(e) {
status.code = 500;
status.message = 'parseerror';
//throw 'Invalid JSON: ' +
xdr.responseText;
}
} else if ((userType === 'xml') ||
((userType !== 'text') &&
xmlRegEx.test(xdr.contentType))) {
var doc = new
ActiveXObject('Microsoft.XMLDOM');
doc.async = false;
try {
doc.loadXML(xdr.responseText);
} catch(e) {
doc = undefined;
}
if (!doc || !doc.documentElement
||
doc.getElementsByTagName('parsererror').length)
{
status.code = 500;
status.message = 'parseerror';
throw 'Invalid XML: ' +
xdr.responseText;
}
responses.xml = doc;
}
} catch(parseMessage) {
throw parseMessage;
} finally {
//alert(status.code);
complete(status.code, status.message,
responses, allResponseHeaders);
}
};
xdr.onerror = function(){
complete(500, 'error', {
text: xdr.responseText
});
};
xdr.open(params.type, params.url);
//xdr.send(options.data);
xdr.send();
//params.success(result, textStatus, jqXHR);
},
abort: function(){
if (xdr) {
xdr.abort();
}
}
};
}
});
};
jQuery.support.cors = true;
//****************//
$.ajax({
url: params.url,
type: params.type,
dataType: params.dataType,
//contentType: "application/json;charset=utf-8",
async: params.async,
cache:params.cache,
data:params.data,
success: function(result, textStatus, jqXHR){
result=result.replace(/(\r\n|\n|\r|\\)/gm,"");
//console.log(result);
params.success(result, textStatus, jqXHR);
},
contentType:params.contentType,
error: function(xhrSend, textStatus, errorThrown){
if(times>0){
makeRequest(times,params);
}else{
//alert(params.url+params.data);
//alert(xhrSend);
//alert(textStatus);
//alert(errorThrown);
params.error(xhrSend, textStatus, errorThrown);
}
}
});