var onenetHelperInit = new Object();
var oneNetHelper;
onenetHelperInit.Init = function () {
	var IsIE = (!!window.ActiveXObject || "ActiveXObject" in window) ? true : false;
	if (IsIE){
		oneNetHelper = oneNetHelper_activex;
	}
	else {
		var brs = getBrowserType();
		if (brs == "qax" || brs == "uos") {
			oneNetHelper = oneNetHelper_np;
		}
		else if (brs == "chrome") {
			if (isLinux()) {
				oneNetHelper = oneNetHelper_np;
			}
			else {
				oneNetHelper = oneNetHelper_webext;
			}
		}
		else {
			oneNetHelper = oneNetHelper_webext;
		}
	}
}

/***
 * 获取当前浏览器类型
 */
function getBrowserType() {
    var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
    var isOpera = userAgent.indexOf("Opera") > -1;
    if (isOpera) { //判断是否Opera浏览器
        return "opera";
    }
	if (userAgent.indexOf("Firefox/31") > -1) { //判断是否Firefox浏览器
        return "uos";
    }
	if (userAgent.indexOf("Firefox") > -1) { //判断是否Firefox浏览器
        return "firefox";
    }
    if (userAgent.indexOf("Chrome") > -1) {
		var bsrt = getShellerType();
		if (bsrt == "") {
			return "chrome";
		} else {
			return bsrt;
		} 
    }
    if (userAgent.indexOf("Safari") > -1) { //判断是否Safari浏览器
        return "safari";
    }
    if (userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera) { //判断是否IE浏览器
        return "ie";
    }
	return "";
}

function getShellerType() {
	var brwType = "",
		userAgent = window.navigator.userAgent,
		external = window.external;

	if(external && 'SEVersion' in external) { // 搜狗浏览器
		brwType = 'sougou';
	} else if(external && 'LiebaoGetVersion' in external) { // 猎豹浏览器
		brwType = 'liebao';
	} else if(/QQBrowser/.test(userAgent)) { //qq浏览器
		brwType = 'qq';
	} else if(/Maxthon/.test(userAgent)) { //遨游浏览器
		brwType = 'maxthon';
	} else if(/TaoBrowser/.test(userAgent)) { //淘宝浏览器
		brwType = 'taobao';
	} else if(/BIDUBrowser/.test(userAgent)) { //百度浏览器
		brwType = 'baidu';
	} else if(/UBrowser/.test(userAgent)) { //UC浏览器
		brwType = 'uc';
	} else if(/Qaxbrowser/.test(userAgent)) { //奇安信浏览器
		brwType = 'qax';
	} else if(/UOS/.test(userAgent)) { //uos浏览器
		brwType = 'uos';
	}
	return brwType;
}

function isLinux() {
	var userAgent = navigator.userAgent;
	if(userAgent.indexOf('Linux') > -1) {
		return true;
	}
	return false;
}