js识别终端类型

<script type="text/javascript">
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= ‘手机网‘; 
    }else{
　　　　window.location.href=‘电脑网‘;
　　}
} 
browserRedirect(); 
</script>