function browserRedirect() {

        var sUserAgent = navigator.userAgent.toLowerCase();

        var bIsIpad = sUserAgent.match(/ipad/i) == "ipad";

        var bIsIphoneOs = sUserAgent.match(/iphone os/i) == "iphone os";

        var bIsMidp = sUserAgent.match(/midp/i) == "midp";

        var bIsUc7 = sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";

        var bIsUc = sUserAgent.match(/ucweb/i) == "ucweb";

        var bIsAndroid = sUserAgent.match(/android/i) == "android";

        var bIsCE = sUserAgent.match(/windows ce/i) == "windows ce";

        var bIsWM = sUserAgent.match(/windows mobile/i) == "windows mobile";

        if ((bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) ){

            window.location.href='http://m.baidu.com/';

        }

    }

if(/AppleWebKit.*Mobile/i.test(navigator.userAgent) || (/MIDP|SymbianOS|NOKIA|SAMSUNG|LG|NEC|TCL|Alcatel|BIRD|DBTEL|Dopod|PHILIPS|HAIER|LENOVO|MOT-|Nokia|SonyEricsson|SIE-|Amoi|ZTE/.test(navigator.userAgent))){

      if(window.location.href.indexOf("?mobile")<0){

        try{

            if(/Android|Windows Phone|webOS|iPhone|iPod|BlackBerry/i.test(navigator.userAgent)){

                window.location.href="http://xw.qq.com/index.htm";

            }else if(/iPad/i.test(navigator.userAgent)){

              //window.location.href="http://www.qq.com/pad/"

            }else{

                window.location.href="http://xw.qq.com/simple/s/index/"

            }

        }catch(e){}

    }

    }

var is_mobi =navigator.userAgent.toLowerCase().match(/(ipod|iphone|android|coolpad|mmp|smartphone|midp|wap|xoom|symbian|j2me|blackberry|wince)/i) != null;

            if(is_mobi){

                window.location.href = "http://m.360.com";

            }

if(/AppleWebKit.*Mobile/i.test(navigator.userAgent) || (/MIDP|SymbianOS|NOKIA|SAMSUNG|LG|NEC|TCL|Alcatel|BIRD|DBTEL|Dopod|PHILIPS|HAIER|LENOVO|MOT-|Nokia|SonyEricsson|SIE-|Amoi|ZTE/.test(navigator.userAgent))) {

        try {

            if(/Android|Windows Phone|webOS|iPhone|iPod|BlackBerry/i.test(navigator.userAgent)) {

                window.location.href = "http://3g.163.com";

            } else if(/iPad/i.test(navigator.userAgent)) {

                window.location.href = "http://www.163.com/ipad/";

            }

        } catch(e) {}

    }