ga.js谁能给我分析分析

这代码不是人看的,为了减少代码下载量,GOOGLE的变量全都是一个字母,函数也是一个字母,受不了,这些回车还是我敲的!

 

var _gat=new Object({
    c:"length",
    lb:"4.3",
    m:"cookie",
    b:undefined,
    cb:function(d,a){this.zb=d;this.Nb=a},
    r:"__utma=",
    W:"__utmb=",
    ma:"__utmc=",
    Ta:"__utmk=",
    na:"__utmv=",
    oa:"__utmx=",
    Sa:"GASO=",
    X:"__utmz=",
    lc:"http://www.google-analytics.com/__utm.gif",
    mc:"https://ssl.google-analytics.com/__utm.gif",Wa:"utmcid=",Ya:"utmcsr=",
    $a:"utmgclid=",
    Ua:"utmccn=",
    Xa:"utmcmd=",
    Za:"utmctr=",
    Va:"utmcct=",
    Hb:false,
    _gasoDomain:undefined,
    _gasoCPath:undefined,
    e:window,
    a:document,
    k:navigator,
    t:function(d){var a=1,c=0,h,o;if(!_gat.q(d)){a=0;for(h=d[_gat.c]-1;h>=0;h--){o=d.charCodeAt(h);a=(a<<6&268435455)+o+(o<<14);c=a&266338304;a=c!=0?a^c>>21:a}}return a},
    C:function(d,a,c){var h=_gat,o="-",k,l,s=h.q;if(!s(d)&&!s(a)&&!s(c)){k=h.w(d,a);if(k>-1){l=d.indexOf(c,k);if(l<0)l=d[h.c];o=h.F(d,k+h.w(a,"=")+1,l)}}return o},
    Ea:function(d){var a=false,c=0,h,o;if(!_gat.q(d)){a=true;for(h=0;h<d[_gat.c];h++){o=d.charAt(h);c+="."==o?1:0;a=a&&c<=1&&(0==h&&"-"==o||_gat.P(".0123456789",o))}}return a},
    d:function(d,a){var c=encodeURIComponent;return c instanceof Function?(a?encodeURI(d):c(d)):escape(d)},
    J:function(d,a){var c=decodeURIComponent,h;d=d.split("+").join(" ");if(c instanceof Function)try{h=a?decodeURI(d):c(d)}catch(o){h=unescape(d)}else h=unescape(d);return h},
    Db:function(d){return d&&d.hash?_gat.F(d.href,_gat.w(d.href,"#")):""},
    q:function(d){return _gat.b==d||"-"==d||""==d},
    Lb:function(d){return d[_gat.c]>0&&_gat.P(" \n\r\t",d)},
    P:function(d,a){return _gat.w(d,a)>-1},
    h:function(d,a){d[d[_gat.c]]=a},
    T:function(d){return d.toLowerCase()},
    z:function(d,a){return d.split(a)},
    w:function(d,a){return d.indexOf(a)},
    F:function(d,a,c){c=_gat.b==c?d[_gat.c]:c;return d.substring(a,c)},
    uc:function(){var d=_gat.b,a=window;if(a&&a.gaGlobal&&a.gaGlobal.hid)d=a.gaGlobal.hid;else{d=Math.round(Math.random()*2147483647);a.gaGlobal=a.gaGlobal?a.gaGlobal:{};a.gaGlobal.hid=d}return d},
    wa:function(){return Math.round(Math.random()*2147483647)},
    Gc:function(){return(_gat.wa()^_gat.vc())*2147483647},
    vc:function(){var d=_gat.k,a=_gat.a,c=_gat.e,h=a[_gat.m]?a[_gat.m]:"",o=c.history[_gat.c],k,l,s=[d.appName,d.version,d.language?d.language:d.browserLanguage,d.platform,d.userAgent,d.javaEnabled()?1:0].join("");if(c.screen)s+=c.screen.width+"x"+c.screen.height+c.screen.colorDepth;else if(c.java){l=java.awt.Toolkit.getDefaultToolkit().getScreenSize();s+=l.screen.width+"x"+l.screen.height}s+=h;s+=a.referrer?a.referrer:"";k=s[_gat.c];while(o>0)s+=o--^k++;return _gat.t(s)}
  }
);
    _gat.hc=function(){
        var d=this,
        a=_gat.cb;
        function c(h,o){return new a(h,o)}
        d.db="utm_campaign";
        d.eb="utm_content";
        d.fb="utm_id";
        d.gb="utm_medium";
        d.hb="utm_nooverride";
        d.ib="utm_source";
        d.jb="utm_term";
        d.kb="gclid";
        d.pa=0;
        d.I=0;
        d.wb="15768000";
        d.Tb="1800";
        d.ea=[];
        d.ga=[];
        d.Ic="cse";
        d.Gb="q";
        d.ab="google";
        d.fa=[c(d.ab,d.Gb),c("yahoo","p"),c("msn","q"),c("aol","query"),c("aol","encquery"),c("lycos","query"),c("ask","q"),c("altavista","q"),c("netscape","query"),c("cnn","query"),c("looksmart","qt"),c("about",
            "terms"),c("mamma","query"),c("alltheweb","q"),c("gigablast","q"),c("voila","rdata"),c("virgilio","qs"),c("live","q"),c("baidu","wd"),c("alice","qs"),c("yandex","text"),c("najdi","q"),c("aol","q"),c("club-internet","query"),c("mama","query"),c("seznam","q"),c("search","q"),c("wp","szukaj"),c("onet","qt"),c("netsprint","q"),c("google.interia","q"),c("szukacz","q"),c("yam","k"),c("pchome","q"),c("kvasir","searchExpr"),c("sesam","q"),c("ozu","q"),c("terra","query"),c("nostrum","query"),c("mynet","q"),
            c("ekolay","q"),c("search.ilse","search_for")];
        d.B=undefined;
        d.Kb=false;
        d.p="/";
        d.ha=100;
        d.Da="/__utm.gif";
        d.ta=1;
        d.ua=1;
        d.G="|";
        d.sa=1;
        d.qa=1;
        d.pb=1;
        d.g="auto";
        d.D=1;
        d.Ga=1000;
        d.Yc=10;
        d.nc=10;
        d.Zc=0.2};
    _gat.Y=function(d,a){
        var c,h,o,k,l,s,q,f=this,n=_gat,w=n.q,x=n.c,g,z=a;f.a=d;
        function B(i){var b=i instanceof Array?i.join("."):"";return w(b)?"-":b}
        function A(i,b){var e=[],j;if(!w(i)){e=n.z(i,".");if(b)for(j=0;j<e[x];j++)if(!n.Ea(e[j]))e[j]="-"}return e}
        function p(){return u(63072000000)}
        function u(i){var b=new Date,e=new Date(b.getTime()+i);return"expires="+e.toGMTString()+"; "}
        function m(i,b){f.a[n.m]=i+"; path="+z.p+"; "+b+f.Cc()}
        function r(i,b,e){var j=f.V,t,v;for(t=0;t<j[x];t++){v=j[t][0];
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f.Jb=function(){return n.b==g||g==f.t()};
f.Ba=function(){return l?l:"-"};
f.Wb=function(i){l=i};
f.Ma=function(i){g=n.Ea(i)?i*1:"-"};f.Aa=function(){return B(s)};f.Na=function(i){s=A(i)};f.Hc=function(){return g?g:"-"};f.Cc=function(){return w(z.g)?"":"domain="+z.g+";"};f.ya=function(){return B(c)};f.Ub=function(i){c=A(i,1)};f.K=function(){return B(h)};f.La=function(i){h=A(i,1)};f.za=function(){return B(o)};f.Vb=function(i){o=A(i,1)};f.Ca=function(){return B(k)};
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f.bd=function(i,b){var e=f.V,j=z.p,t;f.Ha(i);z.p=b;for(t=0;t<e[x];t++)if(!w(e[t][1]()))e[t][3]();z.p=j};
f.dc=function(){m(n.r+f.ya(),p())};f.Pa=function(){m(n.W+f.K(),u(z.Tb*1000))};
f.ec=function(){m(n.ma+f.za(),"")};f.Ra=function(){m(n.X+f.Ca(),u(z.wb*1000))};f.fc=function(){m(n.oa+f.Ba(),p())};f.Qa=function(){m(n.na+f.Aa(),p())};f.cd=function(){m(n.Sa+f.Dc(),"")};f.V=[[n.r,f.ya,f.Ub,f.dc,"."],[n.W,f.K,f.La,f.Pa,""],[n.ma,f.za,f.Vb,f.ec,""],[n.oa,f.Ba,f.Wb,f.fc,""],[n.X,f.Ca,f.Xb,f.Ra,"."],[n.na,
f.Aa,f.Na,f.Qa,"."]]}

;_gat.jc=function(d){var a=this,c=_gat,h=d,o,k=function(l){var s=(new Date).getTime(),q;q=(s-l[3])*(h.Zc/1000);if(q>=1){l[2]=Math.min(Math.floor(l[2]*1+q),h.nc);l[3]=s}return l};a.O=function(l,s,q,f,n,w,x){var g,z=h.D,B=q.location;if(!o)o=new c.Y(q,h);o.Ha(f);g=c.z(o.K(),".");if(g[1]<500||n){if(w)g=k(g);if(n||!w||g[2]>=1){if(!n&&w)g[2]=g[2]*1-1;g[1]=g[1]*1+1;l="?utmwv="+_gat.lb+"&utmn="+c.wa()+(c.q(B.hostname)?"":"&utmhn="+c.d(B.hostname))+(h.ha==100?"":"&utmsp="+c.d(h.ha))+l;if(0==z||2==z){var A=
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_gat.i=function(){this.la=[]};
_gat.i.bb=function(d,a,c,h,o,k){var l=this;l.cc=d;l.Oa=a;l.L=c;l.sb=h;l.Pb=o;l.Qb=k};
_gat.i.bb.prototype.S=function(){var d=this,a=_gat.d;return"&"+["utmt=item","utmtid="+a(d.cc),"utmipc="+a(d.Oa),"utmipn="+a(d.L),"utmiva="+a(d.sb),"utmipr="+a(d.Pb),"utmiqt="+a(d.Qb)].join("&")};
_gat.i.$=function(d,a,c,h,o,k,l,s){var q=this;q.v=d;q.ob=a;q.bc=c;q.ac=h;q.Yb=o;q.ub=k;q.$b=l;q.xb=s;q.ca=[]};
_gat.i.$.prototype.mb=function(d,a,c,h,o){var k=this,l=k.Eb(d),s=k.v,q=_gat;if(q.b==l)q.h(k.ca,new q.i.bb(s,d,a,c,h,o));else{l.cc=s;l.Oa=d;l.L=a;l.sb=c;l.Pb=h;l.Qb=o}};
_gat.i.$.prototype.Eb=function(d){var a,c=this.ca,h;for(h=0;h<c[_gat.c];h++)a=d==c[h].Oa?c[h]:a;return a};
_gat.i.$.prototype.S=function(){var d=this,a=_gat.d;return"&"+["utmt=tran","utmtid="+a(d.v),"utmtst="+a(d.ob),"utmtto="+a(d.bc),"utmttx="+a(d.ac),"utmtsp="+a(d.Yb),"utmtci="+a(d.ub),"utmtrg="+a(d.$b),"utmtco="+a(d.xb)].join("&")};
_gat.i.prototype.nb=function(d,a,c,h,o,k,l,s){var q=this,f=_gat,n=q.xa(d);if(f.b==
    n){n=new f.i.$(d,a,c,h,o,k,l,s);f.h(q.la,n)}else{n.ob=a;n.bc=c;n.ac=h;n.Yb=o;n.ub=k;n.$b=l;n.xb=s}return n};
_gat.i.prototype.xa=function(d){var a,c=this.la,h;for(h=0;h<c[_gat.c];h++)a=d==c[h].v?c[h]:a;return a};
_gat.gc=function(d){var a=this,c="-",h=_gat,o=d;a.Ja=screen;a.qb=!self.screen&&self.java?java.awt.Toolkit.getDefaultToolkit():h.b;a.a=document;a.e=window;a.k=navigator;a.Ka=c;a.Sb=c;a.tb=c;a.Ob=c;a.Mb=1;a.Bb=c;function k(){var l,s,q,f,n="ShockwaveFlash",w="$version",x=a.k?a.k.plugins:h.b;if(x&&x[h.c]>0)for(l=0;l<x[h.c]&&!q;l++){s=x[l];if(h.P(s.name,"Shockwave Flash"))q=h.z(s.description,"Shockwave Flash ")[1]}else{n=n+"."+n;try{f=new ActiveXObject(n+".7");q=f.GetVariable(w)}catch(g){}if(!q)try{f=
new ActiveXObject(n+".6");q="WIN 6,0,21,0";f.AllowScriptAccess="always";q=f.GetVariable(w)}catch(z){}if(!q)try{f=new ActiveXObject(n);q=f.GetVariable(w)}catch(z){}if(q){q=h.z(h.z(q," ")[1],",");q=q[0]+"."+q[1]+" r"+q[2]}}return q?q:c}a.xc=function(){var l;if(self.screen){a.Ka=a.Ja.width+"x"+a.Ja.height;a.Sb=a.Ja.colorDepth+"-bit"}else if(a.qb)try{l=a.qb.getScreenSize();a.Ka=l.width+"x"+l.height}catch(s){}a.Ob=h.T(a.k&&a.k.language?a.k.language:(a.k&&a.k.browserLanguage?a.k.browserLanguage:c));a.Mb=
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_gat.n=function(d,a,c,h,o){var k=this,l=_gat,s=l.q,q=l.b,f=l.P,n=l.C,w=l.T,x=l.z,g=l.c;k.a=a;k.f=d;k.Rb=c;k.ja=h;
k.o=o;function z(p){return s(p)||"0"==p||!f(p,"://")}function B(p){var u="";p=w(x(p,"://")[1]);if(f(p,"/")){p=x(p,"/")[1];if(f(p,"?"))u=x(p,"?")[0]}return u}
function A(p){var u="";u=w(x(p,"://")[1]);if(f(u,"/"))u=x(u,"/")[0];return u}
k.Fc=function(p){var u=k.Fb(),m=k.o;return new l.n.s(n(p,m.fb+"=","&"),n(p,m.ib+"=","&"),n(p,m.kb+"=","&"),k.ba(p,m.db,"(not set)"),k.ba(p,m.gb,"(not set)"),
k.ba(p,m.jb,u&&!s(u.R)?l.J(u.R):q),k.ba(p,m.eb,q))};
k.Ib=function(p){var u=A(p),m=B(p);if(f(u,k.o.ab)){p=x(p,"?").join("&");if(f(p,"&"+k.o.Gb+"="))if(m==k.o.Ic)return true}return false};
k.Fb=function(){var p,u,m=k.Rb,r,i,b=k.o.fa;if(z(m)||k.Ib(m))return;p=A(m);for(r=0;r<b[g];r++){i=b[r];if(f(p,w(i.zb))){m=x(m,"?").join("&");if(f(m,"&"+i.Nb+"=")){u=x(m,"&"+i.Nb+"=")[1];if(f(u,"&"))u=x(u,"&")[0];return new l.n.s(q,i.zb,q,"(organic)","organic",u,q)}}}};
k.ba=function(p,u,m){var r=n(p,u+"=","&"),i=!s(r)?
l.J(r):(!s(m)?m:"-");return i};
k.Nc=function(p){var u=k.o.ea,m=false,r,i;if(p&&"organic"==p.da){r=w(l.J(p.R));for(i=0;i<u[g];i++)m=m||w(u[i])==r}return m};
k.Ec=function(){var p="",u="",m=k.Rb;if(z(m)||k.Ib(m))return;p=w(x(m,"://")[1]);if(f(p,"/")){u=l.F(p,l.w(p,"/"));if(f(u,"?"))u=x(u,"?")[0];p=x(p,"/")[0]}if(0==l.w(p,"www."))p=l.F(p,4);return new l.n.s(q,p,q,"(referral)","referral",q,u)};
k.sc=function(p){var u="";if(k.o.pa){u=l.Db(p);u=""!=u?u+"&":u}u+=p.search;return u};
k.zc=function(){return new l.n.s(q,
"(direct)",q,"(direct)","(none)",q,q)};
k.Oc=function(p){var u=false,m,r,i=k.o.ga;if(p&&"referral"==p.da){m=w(l.d(p.ia));for(r=0;r<i[g];r++)u=u||f(m,w(i[r]))}

    return u};
k.U=function(p){return q!=p&&p.Fa()};
k.yc=function(p,u){var m="",r="-",i,b,e=0,j,t,v=k.f;if(!p)return"";t=k.a[l.m]?k.a[l.m]:"";m=k.sc(k.a.location);if(k.o.I&&p.Jb()){r=p.Ca();if(!s(r)&&!f(r,";")){p.Ra();return""}}r=n(t,l.X+v+".",";");i=k.Fc(m);if(k.U(i)){b=n(m,k.o.hb+"=","&");if("1"==b&&!s(r))return""}if(!k.U(i)){i=k.Fb();if(!s(r)&&
k.Nc(i))return""}if(!k.U(i)&&u){i=k.Ec();if(!s(r)&&k.Oc(i))return""}if(!k.U(i))if(s(r)&&u)i=k.zc();if(!k.U(i))return"";if(!s(r)){var y=x(r,"."),E=new l.n.s;E.Cb(y.slice(4).join("."));j=w(E.ka())==w(i.ka());e=y[3]*1}if(!j||u){var F=n(t,l.r+v+".",";"),I=F.lastIndexOf("."),G=I>9?l.F(F,I+1)*1:0;e++;G=0==G?1:G;p.Xb([v,k.ja,G,e,i.ka()].join("."));p.Ra();return"&utmcn=1"}else return"&utmcr=1"}
};

_gat.n.s=function(d,a,c,h,o,k,l){var s=this;s.v=d;s.ia=a;s.ra=c;s.L=h;s.da=o;s.R=k;s.vb=l};
_gat.n.s.prototype.ka=
function(){var d=this,a=_gat,c=[],h=[[a.Wa,d.v],[a.Ya,d.ia],[a.$a,d.ra],[a.Ua,d.L],[a.Xa,d.da],[a.Za,d.R],[a.Va,d.vb]],o,k;if(d.Fa())for(o=0;o<h[a.c];o++)if(!a.q(h[o][1])){k=h[o][1].split("+").join("%20");k=k.split(" ").join("%20");a.h(c,h[o][0]+k)}return c.join("|")};
_gat.n.s.prototype.Fa=function(){var d=this,a=_gat.q;return!(a(d.v)&&a(d.ia)&&a(d.ra))};
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