//仿GM_xmlhttpRequest函数v1.3
if (typeof(GM_xmlhttpRequest) == "undefined") {
    var GM_xmlhttpRequest = function(GM_param) {

        var xhr = new XMLHttpRequest(); //创建XMLHttpRequest对象
        xhr.open(GM_param.method, GM_param.url, true);
        if (GM_param.responseType) xhr.responseType = GM_param.responseType;
        if (GM_param.overrideMimeType) xhr.overrideMimeType(GM_param.overrideMimeType);
        xhr.onreadystatechange = function() //设置回调函数
            {
                if (xhr.readyState === xhr.DONE) {
                    if (xhr.status === 200 && GM_param.onload)
                        GM_param.onload(xhr);
                    if (xhr.status !== 200 && GM_param.onerror)
                        GM_param.onerror(xhr);
                }
            }

        for (var header in GM_param.headers) {
            xhr.setRequestHeader(header, GM_param.headers[header]);
        }

        xhr.send(GM_param.data ? GM_param.data : null);
    }
}
//数字补0
function PrefixInteger(num, length) {  
	return (Array(length).join('0') + num).slice(-length); 
}