(function(w){var impl,boomr,k,d=w.document;if(typeof BOOMR==="undefined"){BOOMR={}}if(BOOMR.version){return}BOOMR.version="0.9";impl={beacon_url:"",site_domain:w.location.hostname.replace(/.*?([^.]+\.[^.]+)\.?$/,"$1").toLowerCase(),user_ip:"",events:{page_ready:[],page_unload:[],before_beacon:[]},vars:{},disabled_plugins:{},fireEvent:function(e_name,data){var i,h,e;if(!this.events.hasOwnProperty(e_name)){return false}e=this.events[e_name];for(i=0;i<e.length;i++){h=e[i];h[0].call(h[2],data,h[1])}return true},addListener:function(el,sType,fn,capture){if(el.addEventListener){el.addEventListener(sType,fn,(capture))}else{if(el.attachEvent){el.attachEvent("on"+sType,fn)}}}};boomr={utils:{getCookie:function(name){if(!name){return null}name=" "+name+"=";var i,cookies;cookies=" "+d.cookie+";";if((i=cookies.indexOf(name))>=0){i+=name.length;cookies=cookies.substring(i,cookies.indexOf(";",i));return cookies}return null},setCookie:function(name,subcookies,max_age,path,domain,sec){var value="",k,nameval,c,exp="";if(!name){return false
}for(k in subcookies){if(subcookies.hasOwnProperty(k)){value+="&"+encodeURIComponent(k)+"="+encodeURIComponent(subcookies[k])}}value=value.replace(/^&/,"");if(max_age){exp=new Date();exp.setTime(exp.getTime()+max_age*1000);exp=exp.toGMTString()}nameval=name+"="+value;c=nameval+((max_age)?"; expires="+exp:"")+((path)?"; path="+path:"")+((typeof domain!=="undefined")?"; domain="+(domain!==null?domain:impl.site_domain):"")+((sec)?"; secure":"");if(nameval.length<4000){d.cookie=c;return(value===this.getCookie(name))}return false},getSubCookies:function(cookie){var cookies_a,i,l,kv,cookies={};if(!cookie){return null}cookies_a=cookie.split("&");if(cookies_a.length===0){return null}for(i=0,l=cookies_a.length;i<l;i++){kv=cookies_a[i].split("=");kv.push("");cookies[decodeURIComponent(kv[0])]=decodeURIComponent(kv[1])}return cookies},removeCookie:function(name){return this.setCookie(name,{},0,"/",null)},pluginConfig:function(o,config,plugin_name,properties){var i,props=0;if(!config||!config[plugin_name]){return false}for(i=0;
i<properties.length;i++){if(typeof config[plugin_name][properties[i]]!=="undefined"){o[properties[i]]=config[plugin_name][properties[i]];props++}}return(props>0)}},init:function(config){var i,k,properties=["beacon_url","site_domain","user_ip"];if(!config){config={}}for(i=0;i<properties.length;i++){if(typeof config[properties[i]]!=="undefined"){impl[properties[i]]=config[properties[i]]}}if(typeof config.log!=="undefined"){this.log=config.log}if(!this.log){this.log=function(m,l,s){}}for(k in this.plugins){if(config[k]&&typeof config[k].enabled!=="undefined"&&config[k].enabled===false){impl.disabled_plugins[k]=1;continue}else{if(impl.disabled_plugins[k]){delete impl.disabled_plugins[k]}}if(this.plugins.hasOwnProperty(k)&&typeof this.plugins[k].init==="function"){this.plugins[k].init(config)}}if(typeof config.autorun==="undefined"||config.autorun!==false){impl.addListener(w,"load",function(){impl.fireEvent("page_ready")})}impl.addListener(w,"unload",function(){w=null});return this},page_ready:function(){impl.fireEvent("page_ready");
return this},subscribe:function(e_name,fn,cb_data,cb_scope){var i,h,e;if(!impl.events.hasOwnProperty(e_name)){return this}e=impl.events[e_name];for(i=0;i<e.length;i++){h=e[i];if(h[0]===fn&&h[1]===cb_data&&h[2]===cb_scope){return this}}e.push([fn,cb_data||{},cb_scope||null]);if(e_name==="page_unload"){impl.addListener(w,"unload",function(){fn.call(cb_scope,null,cb_data);fn=cb_scope=cb_data=null})}return this},addVar:function(name,value){if(typeof name==="string"){impl.vars[name]=value}else{if(typeof name==="object"){var o=name,k;for(k in o){if(o.hasOwnProperty(k)){impl.vars[k]=o[k]}}}}return this},removeVar:function(){var i,params;if(!arguments.length){return this}if(arguments.length===1&&Object.prototype.toString.apply(arguments[0])==="[object Array]"){params=arguments[0]}else{params=arguments}for(i=0;i<params.length;i++){if(impl.vars.hasOwnProperty(params[i])){delete impl.vars[params[i]]}}return this},sendBeacon:function(){var k,url,img,nparams=0;for(k in this.plugins){if(this.plugins.hasOwnProperty(k)){if(impl.disabled_plugins[k]){continue
}if(!this.plugins[k].is_complete()){return this}}}impl.fireEvent("before_beacon",impl.vars);if(!impl.beacon_url){return this}url=impl.beacon_url+"?v="+encodeURIComponent(BOOMR.version);for(k in impl.vars){if(impl.vars.hasOwnProperty(k)){nparams++;url+="&"+encodeURIComponent(k)+"="+encodeURIComponent(impl.vars[k])}}if(nparams){img=new Image();img.src=url}return this}};var make_logger=function(l){return function(m,s){this.log(m,l,"boomerang"+(s?"."+s:""));return this}};boomr.debug=make_logger("debug");boomr.info=make_logger("info");boomr.warn=make_logger("warn");boomr.error=make_logger("error");if(w.YAHOO&&w.YAHOO.widget&&w.YAHOO.widget.Logger){boomr.log=w.YAHOO.log}else{if(typeof w.Y!=="undefined"&&typeof w.Y.log!=="undefined"){boomr.log=w.Y.log}else{if(typeof console!=="undefined"&&typeof console.log!=="undefined"){boomr.log=function(m,l,s){console.log(s+": ["+l+"] ",m)}}}}for(k in boomr){if(boomr.hasOwnProperty(k)){BOOMR[k]=boomr[k]}}BOOMR.plugins=BOOMR.plugins||{}}(window));(function(w){var d=w.document;BOOMR=BOOMR||{};
BOOMR.plugins=BOOMR.plugins||{};var impl={complete:false,timers:{},cookie:"RT",cookie_exp:600,strict_referrer:true,start:function(){var t_end,t_start=new Date().getTime();if(!BOOMR.utils.setCookie(impl.cookie,{s:t_start,r:d.URL.replace(/#.*/,"")},impl.cookie_exp,"/",null)){BOOMR.error("cannot set start cookie","rt");return this}t_end=new Date().getTime();if(t_end-t_start>50){BOOMR.utils.removeCookie(impl.cookie);BOOMR.error("took more than 50ms to set cookie... aborting: "+t_start+" -> "+t_end,"rt")}return this}};BOOMR.plugins.RT={init:function(config){impl.complete=false;impl.timers={};BOOMR.utils.pluginConfig(impl,config,"RT",["cookie","cookie_exp","strict_referrer"]);BOOMR.subscribe("page_ready",this.done,null,this);BOOMR.subscribe("page_unload",impl.start,null,this);return this},startTimer:function(timer_name){if(timer_name){impl.timers[timer_name]={start:new Date().getTime()};impl.complete=false}return this},endTimer:function(timer_name,time_value){if(timer_name){impl.timers[timer_name]=impl.timers[timer_name]||{};
if(typeof impl.timers[timer_name].end==="undefined"){impl.timers[timer_name].end=(typeof time_value==="number"?time_value:new Date().getTime())}}return this},setTimer:function(timer_name,time_delta){if(timer_name){impl.timers[timer_name]={delta:time_delta}}return this},done:function(){var t_start,u,r,r2,subcookies,basic_timers={t_done:1,t_resp:1,t_page:1},ntimers=0,t_name,timer,t_other=[],ti;if(impl.complete){return this}this.endTimer("t_done");u=d.URL.replace(/#.*/,"");r=r2=d.referrer.replace(/#.*/,"");subcookies=BOOMR.utils.getSubCookies(BOOMR.utils.getCookie(impl.cookie));BOOMR.utils.removeCookie(impl.cookie);if(subcookies!==null&&typeof subcookies.s!=="undefined"&&typeof subcookies.r!=="undefined"){r=subcookies.r;if(!impl.strict_referrer||r===r2){t_start=parseInt(subcookies.s,10)}}else{BOOMR.warn("start cookie not set, trying WebTiming API","rt");if(w.performance&&w.performance.timing){ti=w.performance.timing}else{if(w.msPerformance&&w.msPerformance.timing){ti=w.msPerformance.timing}}if(ti){t_start=ti.requestStart||ti.fetchStart||ti.navigationStart||undefined
}else{BOOMR.warn("This browser doesn't support the WebTiming API","rt")}}BOOMR.removeVar("t_done","t_page","t_resp","u","r","r2");for(t_name in impl.timers){if(!impl.timers.hasOwnProperty(t_name)){continue}timer=impl.timers[t_name];if(typeof timer.delta!=="number"){if(typeof timer.start!=="number"){timer.start=t_start}timer.delta=timer.end-timer.start}if(isNaN(timer.delta)){continue}if(basic_timers.hasOwnProperty(t_name)){BOOMR.addVar(t_name,timer.delta)}else{t_other.push(t_name+"|"+timer.delta)}ntimers++}if(ntimers){BOOMR.addVar({u:u,r:r});if(r2!==r){BOOMR.addVar("r2",r2)}if(t_other.length){BOOMR.addVar("t_other",t_other.join(","))}}impl.timers={};impl.complete=true;BOOMR.sendBeacon();return this},is_complete:function(){return impl.complete}}}(window));(function(w){var d=w.document;BOOMR=BOOMR||{};BOOMR.plugins=BOOMR.plugins||{};var images=[{name:"image-0.png",size:11483,timeout:1400},{name:"image-1.png",size:40658,timeout:1200},{name:"image-2.png",size:164897,timeout:1300},{name:"image-3.png",size:381756,timeout:1500},{name:"image-4.png",size:1234664,timeout:1200},{name:"image-5.png",size:4509613,timeout:1200},{name:"image-6.png",size:9084559,timeout:1200}];
images.end=images.length;images.start=0;images.l={name:"image-l.gif",size:35,timeout:1000};var impl={base_url:"images/",timeout:15000,nruns:5,latency_runs:10,user_ip:"",cookie_exp:7*86400,cookie:"BA",results:[],latencies:[],latency:null,runs_left:0,aborted:false,complete:false,running:false,ncmp:function(a,b){return(a-b)},iqr:function(a){var l=a.length-1,q1,q3,fw,b=[],i;q1=(a[Math.floor(l*0.25)]+a[Math.ceil(l*0.25)])/2;q3=(a[Math.floor(l*0.75)]+a[Math.ceil(l*0.75)])/2;fw=(q3-q1)*1.5;l++;for(i=0;i<l&&a[i]<q3+fw;i++){if(a[i]>q1-fw){b.push(a[i])}}return b},calc_latency:function(){var i,n,sum=0,sumsq=0,amean,median,std_dev,std_err,lat_filtered;lat_filtered=this.iqr(this.latencies.sort(this.ncmp));n=lat_filtered.length;BOOMR.debug(lat_filtered,"bw");for(i=1;i<n;i++){sum+=lat_filtered[i];sumsq+=lat_filtered[i]*lat_filtered[i]}n--;amean=Math.round(sum/n);std_dev=Math.sqrt(sumsq/n-sum*sum/(n*n));std_err=(1.96*std_dev/Math.sqrt(n)).toFixed(2);std_dev=std_dev.toFixed(2);n=lat_filtered.length-1;median=Math.round((lat_filtered[Math.floor(n/2)]+lat_filtered[Math.ceil(n/2)])/2);
return{mean:amean,median:median,stddev:std_dev,stderr:std_err}},calc_bw:function(){var i,j,n=0,r,bandwidths=[],bandwidths_corrected=[],sum=0,sumsq=0,sum_corrected=0,sumsq_corrected=0,amean,std_dev,std_err,median,amean_corrected,std_dev_corrected,std_err_corrected,median_corrected,nimgs,bw,bw_c;for(i=0;i<this.nruns;i++){if(!this.results[i]||!this.results[i].r){continue}r=this.results[i].r;nimgs=0;for(j=r.length-1;j>=0&&nimgs<3;j--){if(typeof r[j]==="undefined"){break}if(r[j].t===null){continue}n++;nimgs++;bw=images[j].size*1000/r[j].t;bandwidths.push(bw);bw_c=images[j].size*1000/(r[j].t-this.latency.mean);bandwidths_corrected.push(bw_c)}}BOOMR.debug("got "+n+" readings","bw");BOOMR.debug("bandwidths: "+bandwidths,"bw");BOOMR.debug("corrected: "+bandwidths_corrected,"bw");if(bandwidths.length>3){bandwidths=this.iqr(bandwidths.sort(this.ncmp));bandwidths_corrected=this.iqr(bandwidths_corrected.sort(this.ncmp))}else{bandwidths=bandwidths.sort(this.ncmp);bandwidths_corrected=bandwidths_corrected.sort(this.ncmp)}BOOMR.debug("after iqr: "+bandwidths,"bw");
BOOMR.debug("corrected: "+bandwidths_corrected,"bw");n=Math.max(bandwidths.length,bandwidths_corrected.length);for(i=0;i<n;i++){if(i<bandwidths.length){sum+=bandwidths[i];sumsq+=Math.pow(bandwidths[i],2)}if(i<bandwidths_corrected.length){sum_corrected+=bandwidths_corrected[i];sumsq_corrected+=Math.pow(bandwidths_corrected[i],2)}}n=bandwidths.length;amean=Math.round(sum/n);std_dev=Math.sqrt(sumsq/n-Math.pow(sum/n,2));std_err=Math.round(1.96*std_dev/Math.sqrt(n));std_dev=Math.round(std_dev);n=bandwidths.length-1;median=Math.round((bandwidths[Math.floor(n/2)]+bandwidths[Math.ceil(n/2)])/2);n=bandwidths_corrected.length;amean_corrected=Math.round(sum_corrected/n);std_dev_corrected=Math.sqrt(sumsq_corrected/n-Math.pow(sum_corrected/n,2));std_err_corrected=(1.96*std_dev_corrected/Math.sqrt(n)).toFixed(2);std_dev_corrected=std_dev_corrected.toFixed(2);n=bandwidths_corrected.length-1;median_corrected=Math.round((bandwidths_corrected[Math.floor(n/2)]+bandwidths_corrected[Math.ceil(n/2)])/2);BOOMR.debug("amean: "+amean+", median: "+median,"bw");
BOOMR.debug("corrected amean: "+amean_corrected+", median: "+median_corrected,"bw");return{mean:amean,stddev:std_dev,stderr:std_err,median:median,mean_corrected:amean_corrected,stddev_corrected:std_dev_corrected,stderr_corrected:std_err_corrected,median_corrected:median_corrected}},defer:function(method){var that=this;return setTimeout(function(){method.call(that);that=null},10)},load_img:function(i,run,callback){var url=this.base_url+images[i].name+"?t="+(new Date().getTime())+Math.random(),timer=0,tstart=0,img=new Image(),that=this;img.onload=function(){img.onload=img.onerror=null;img=null;clearTimeout(timer);if(callback){callback.call(that,i,tstart,run,true)}that=callback=null};img.onerror=function(){img.onload=img.onerror=null;img=null;clearTimeout(timer);if(callback){callback.call(that,i,tstart,run,false)}that=callback=null};timer=setTimeout(function(){if(callback){callback.call(that,i,tstart,run,null)}},images[i].timeout+Math.min(400,this.latency?this.latency.mean:400));tstart=new Date().getTime();img.src=url
},lat_loaded:function(i,tstart,run,success){if(run!==this.latency_runs+1){return}if(success!==null){var lat=new Date().getTime()-tstart;this.latencies.push(lat)}if(this.latency_runs===0){this.latency=this.calc_latency()}this.defer(this.iterate)},img_loaded:function(i,tstart,run,success){if(run!==this.runs_left+1){return}if(this.results[this.nruns-run].r[i]){return}if(success===null){this.results[this.nruns-run].r[i+1]={t:null,state:null,run:run};return}var result={start:tstart,end:new Date().getTime(),t:null,state:success,run:run};if(success){result.t=result.end-result.start}this.results[this.nruns-run].r[i]=result;if(i>=images.end-1||typeof this.results[this.nruns-run].r[i+1]!=="undefined"){BOOMR.debug(this.results[this.nruns-run],"bw");if(run===this.nruns){images.start=i}this.defer(this.iterate)}else{this.load_img(i+1,run,this.img_loaded)}},finish:function(){if(!this.latency){this.latency=this.calc_latency()}var bw=this.calc_bw(),o={bw:bw.median_corrected,bw_err:parseFloat(bw.stderr_corrected,10),lat:this.latency.mean,lat_err:parseFloat(this.latency.stderr,10),bw_time:Math.round(new Date().getTime()/1000)};
BOOMR.addVar(o);if(!isNaN(o.bw)){BOOMR.utils.setCookie(this.cookie,{ba:Math.round(o.bw),be:o.bw_err,l:o.lat,le:o.lat_err,ip:this.user_ip,t:o.bw_time},(this.user_ip?this.cookie_exp:0),"/",null)}this.complete=true;BOOMR.sendBeacon();this.running=false},iterate:function(){if(this.aborted){return false}if(!this.runs_left){this.finish()}else{if(this.latency_runs){this.load_img("l",this.latency_runs--,this.lat_loaded)}else{this.results.push({r:[]});this.load_img(images.start,this.runs_left--,this.img_loaded)}}},setVarsFromCookie:function(cookies){var ba=parseInt(cookies.ba,10),bw_e=parseFloat(cookies.be,10),lat=parseInt(cookies.l,10)||0,lat_e=parseFloat(cookies.le,10)||0,c_sn=cookies.ip.replace(/\.\d+$/,"0"),t=parseInt(cookies.t,10),p_sn=this.user_ip.replace(/\.\d+$/,"0"),t_now=Math.round((new Date().getTime())/1000);if(c_sn===p_sn&&t>=t_now-this.cookie_exp){this.complete=true;BOOMR.addVar({bw:ba,lat:lat,bw_err:bw_e,lat_err:lat_e});return true}return false}};BOOMR.plugins.BW={init:function(config){var cookies;BOOMR.utils.pluginConfig(impl,config,"BW",["base_url","timeout","nruns","cookie","cookie_exp"]);
if(config&&config.user_ip){impl.user_ip=config.user_ip}images.start=0;impl.runs_left=impl.nruns;impl.latency_runs=10;impl.results=[];impl.latencies=[];impl.latency=null;impl.complete=false;impl.aborted=false;BOOMR.removeVar("ba","ba_err","lat","lat_err");cookies=BOOMR.utils.getSubCookies(BOOMR.utils.getCookie(impl.cookie));if(!cookies||!cookies.ba||!impl.setVarsFromCookie(cookies)){BOOMR.subscribe("page_ready",this.run,null,this)}return this},run:function(){if(impl.running||impl.complete){return this}if(w.location.protocol==="https:"){BOOMR.info("HTTPS detected, skipping bandwidth test","bw");impl.complete=true;return this}impl.running=true;setTimeout(this.abort,impl.timeout);impl.defer(impl.iterate);return this},abort:function(){impl.aborted=true;impl.finish();return this},is_complete:function(){return impl.complete}}}(window));