jsonp_Request(url, data, success, timeout) {
var finish = false;
var theHead = document.getElementsByTagName("head")[0] || document.documentElement;
var scriptControll = document.createElement("script");
var jsonpcallback = "jsonpcallback" + (Math.random() + "").substring(2);
var collect = function() {
if (theHead != null) {
theHead.removeChild(scriptControll);
try {
delete window[jsonpcallback];
} catch (ex) { }
theHead = null;
}
};
var init = function() {
scriptControll.charset = "utf-8";
theHead.insertBefore(scriptControll, theHead.firstChild);
window[jsonpcallback] = function(responseData) {
finish = true;
success(responseData);
};
if (url.indexOf("?") > 0) {
url = url + "&jsoncallback=" + jsonpcallback;
} else {
url = url + "?jsoncallback=" + jsonpcallback;
}
if (typeof data == "object" && data != null) {
for (var p in data) {
url = url + "&" + p + "=" + escape(data[p]);
}
}
};
var timer = function() {
if (typeof window[jsonpcallback] == "function") {
collect();
}
if (typeof timeout == "function" && finish == false) {
timeout();
}
};
this.request = function() {
init();
scriptControll.src = url;
window.setTimeout(timer, 10000);
};
}
getJSON = function(url, data, success) {
var jsonp = new jsonp_Request(url, data, success);
jsonp.request();
};
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