判断设备

<
script
 
type
=
"text/javascript"
>
var bForcepc
 = 
fGetQuery
("dv") == "pc";
function fBrowserRedirect(){
    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){
        var sUrl
 = 
location
.href;
        if(!bForcepc){
            window.location.href
 = 
"http://ipad.mail.163.com/"
;
        }
    }
    if(bIsIphoneOs || bIsAndroid){
        var sUrl
 = 
location
.href;
        if(!bForcepc){
            window.location.href
 = 
"http://smart.mail.163.com/"
;
        }
    }
    if(bIsMidp||bIsUc7||bIsUc||bIsCE||bIsWM){
        var sUrl
 = 
location
.href;
        if(!bForcepc){
            window.location.href
 = 
"http://m.mail.163.com/"
;
        }
    }
}
function fGetQuery(name){//获取参数值
    var sUrl
 = 
window
.location.search.substr(1);
    var r
 = 
sUrl
.match(new RegExp("(^|&)" + name + "=([^&]*)(&|$)"));
    return (r
 == null ? null : unescape(r[2]));
}
function fShowVerBlock(){
    if(bForcepc){
        document.getElementById("dv_block").style.display
 = 
"block"
;
    }
    else{
        document.getElementById("ad_block").style.display
 = 
"block"
;
    }
}
fBrowserRedirect();
</
script
>