js根据客户端浏览器类型，判断跳转官网/手机网站

<script type="text/javascript">  
       
                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="/go.html?url=3g.php";
                } 
           
                 
</script><script type="text/javascript">