SHA1=function(){this.a=new Array(5);this.d=new Array(64);this.k=new Array(80);this.e=new Array(64);this.e[0]=128;for(var b=1;b<64;++b)this.e[b]=0;this.j()};SHA1.prototype.j=function(){this.a[0]=1732584193;this.a[1]=4023233417;this.a[2]=2562383102;this.a[3]=271733878;this.a[4]=3285377520;this.g=this.b=0};SHA1.prototype.f=function(b,c){return(b<<c|b>>>32-c)&4294967295};
SHA1.prototype.c=function(b){for(var c=this.k,a=0;a<64;a+=4){var d=b[a]<<24|b[a+1]<<16|b[a+2]<<8|b[a+3];c[a/4]=d}for(a=16;a<80;++a)c[a]=this.f(c[a-3]^c[a-8]^c[a-14]^c[a-16],1);b=this.a[0];d=this.a[1];var f=this.a[2],g=this.a[3],l=this.a[4],i,k;for(a=0;a<80;++a){if(a<40)if(a<20){i=g^d&(f^g);k=1518500249}else{i=d^f^g;k=1859775393}else if(a<60){i=d&f|g&(d|f);k=2400959708}else{i=d^f^g;k=3395469782}i=this.f(b,5)+i+l+k+c[a]&4294967295;l=g;g=f;f=this.f(d,30);d=b;b=i}this.a[0]=this.a[0]+b&4294967295;this.a[1]=
this.a[1]+d&4294967295;this.a[2]=this.a[2]+f&4294967295;this.a[3]=this.a[3]+g&4294967295;this.a[4]=this.a[4]+l&4294967295};SHA1.prototype.h=function(b,c){if(!c)c=b.length;var a=0;if(this.b==0)for(;a+64<c;){this.c(b.slice(a,a+64));a+=64;this.g+=64}for(;a<c;){this.d[this.b++]=b[a++];++this.g;if(this.b==64){this.b=0;for(this.c(this.d);a+64<c;){this.c(b.slice(a,a+64));a+=64;this.g+=64}}}};
SHA1.prototype.i=function(){var b=new Array(20),c=this.g*8;this.b<56?this.h(this.e,56-this.b):this.h(this.e,64-(this.b-56));for(var a=63;a>=56;--a){this.d[a]=c&255;c>>>=8}this.c(this.d);for(a=c=0;a<5;++a)for(var d=24;d>=0;d-=8)b[c++]=this.a[a]>>d&255;return b};var e="";
function _init(){var b=document.cookie.match(/(?:^|; ?)PREF=ID=.+?:ES=(\w+)/);if(b&&b[1]){b=b[1];var c;if(b.length%3==0)for(var a=0;a<b.length;a+=3)if(b.charAt(a)=="W"){c=b.substr(a+1,2);break}if(c)if((a=h(c))&&a.name)_toggle(a.name,true);else{(new Image).src=j("W",1);h("msgJoin").style.display="none";h("msgExpired").style.display=""}}else if(!document.cookie.match(/(?:^|; ?)PREF=ID=/)){h("os").style.display="none";b=document.getElementsByTagName("input");for(a=0;a<b.length;a++)b[a].style.display="none"}}
function h(b){return document.getElementById(b)}function m(b,c){for(var a=0,d=0;d<b.childNodes.length;d++)if(b.childNodes[d].nodeType==1)if(a++==c)return b.childNodes[d];return null}
function _toggle(b,c){if(e!=""){var a=h("e_"+e).rows[1].cells[1];m(a,0).innerHTML="";m(a,1).value="Join this experiment";if(a=h("c_"+e)){m(a,0).style.display="";m(a,1).style.display="none"}n(e,"corners_light")}h("msgExpired").style.display="none";var d=0;if(b==e){h("msgSelected").style.display="none";h("msgJoin").style.display="";d=1}else{a=h("activeLink");a.href="#"+b;a.innerHTML=h("e_"+b).rows[1].cells[0].innerHTML;h("msgJoin").style.display="none";h("msgSelected").style.display="";a=h("e_"+b).rows[1].cells[1];
m(a,0).innerHTML="This is your selected experiment.";m(a,1).value="Leave";if(a=h("c_"+b)){m(a,0).style.display="none";m(a,1).style.display=""}n(b,"corners_dark");e=b}if(!c)(new Image).src=j(e,d)}function n(b,c){b=h("e_"+b);b.rows[0].cells[0].className=c;b.rows[1].className=c;b.rows[2].cells[0].className=c}
function j(b,c){var a=document.cookie.match(/(?:^|; ?)PREF=ID=([a-fA-F0-9]+)/)[1],d=Math.floor(Math.random()*9E5)+1E5;a=o(a+"|"+d);b="/url?sa=p&rtok="+d+"&sig="+a+"&esrch="+b;if(c)b+="&rm=1";return b}function o(b){var c=new SHA1;c.h(p(b));return q(c.i())}function p(b){for(var c=new Array(b.length),a=0;a<b.length;a++)c[a]=b.charCodeAt(a)&255;return c}
function q(b){for(var c="0123456789abcdef",a=new Array(b.length*2),d=0;d<b.length;d++){a[d*2]=c.charAt(b[d]>>4&15);a[d*2+1]=c.charAt(b[d]&15)}return a.join("")};