CONNECTION_TYPE_COOKIE_NAME="CT";
CONNECTION_TYPE_BROADBAND="0";
CONNECTION_TYPE_DIALUP="1";
CONNECTION_TYPE_UNKNOWN="-2";
EXPIRATION_INTERVAL=7;
CONNECTION_SPEED_THRESHOLD=56;
COOKIE_PATH="/";

destination_url="";
cookie_domain="";
_throughput=0;
_connection_type="";
_semaphoreCT=false;
_semaphoreRDB=false;

function callback(throughput,connection_type){
 _throughput=throughput;
 _connection_type=connection_type;
 run();
}

function set_domain_cookie(name,value,expires,path,domain,secure){
 var today=new Date();
 today.setTime(today.getTime());

 if(expires){
 expires=expires*1000*60*60*24;
}

 var expires_date=new Date(today.getTime()+(expires));

 document.cookie=name+"="+escape(value)+
((expires)?";expires="+expires_date.toGMTString():"")+
((path)?";path="+path:"")+
((domain)?";domain="+domain:"")+
((secure)?";secure":"");
}

function run(){
 set_untd_cookie();

 if(location.href.match("netzero.net")!=null)
 cookie_domain="netzero.net";
 else if(location.href.match("juno.com")!=null)
 cookie_domain="juno.com";
 else if(location.href.match("mybluelight.com")!=null)
 cookie_domain="mybluelight.com";

 set_domain_cookie(CONNECTION_TYPE_COOKIE_NAME,_connection_type,EXPIRATION_INTERVAL,COOKIE_PATH,cookie_domain,false);
}

function set_untd_cookie(){
 var RDB_URL=window.location.protocol+'//track.untd.com/s/oasrdb?pid=SDS&profile='+_connection_type;
 exec(RDB_URL);
}

function exec(URL){
 setTimeout("send_http_request('"+URL+"')",10);
}

function send_http_request(requestURL){
 var imgObj=(Image?new Image():undefined);
 if(imgObj!=undefined){
 imgObj.src=requestURL+"&ts="+(new Date()).getTime();
 if(!imgObj.complete)
 pause(1000);
}
}

function pause(millis){
 var date=new Date();
 var curDate=null;

 do{var curDate=new Date();}
 while(curDate-date<millis);
 return;
}

var BandwidthChecker={
 startTime:null,
 inProgress:false,
 downloadTimes:[],
 sizeInBytes:3111,
 noOfTimes:0,
 standardDownloadTime:650,
 repeat:3,
 connTypes:["0","1"],
 differenceMargin:25,
 downloadURL:"http://webmail.netzero.net/images/headers/hdr_lg_new_accl_n.gif",
 imgObj:null,
 kbps:0,
 cType:null,
 checkBandwidth:function(ct_type){
 var clientCapsRef=document.getElementById("oClientCaps");
 if(typeof ct_type!="undefined"&&ct_type!=""){
 callback(ct_type,ct_type);
 return;
}
 else if(clientCapsRef&&(typeof clientCapsRef.connectionType!=='undefined')){

 if(clientCapsRef.connectionType=="modem"){
 ct_type=0;
 callback(ct_type,ct_type);
 return;
}else if(clientCapsRef.connectionType=="lan"){
 ct_type=1;
 callback(ct_type,ct_type);
 return;
}
}
 this.inProgress=true;
 imgObj=new Image();
 imgObj.onload=this.downloaded;
 this.startTime=new Date();
 imgObj.src=this.downloadURL+"?ts="+(new Date()).getTime();
},
 downloaded:function(){
 BandwidthChecker.noOfTimes+=1;
 BandwidthChecker.downloadTimes[BandwidthChecker.noOfTimes-1]=(new Date())-BandwidthChecker.startTime;
 if(BandwidthChecker.noOfTimes<BandwidthChecker.repeat){
 BandwidthChecker.checkBandwidth();
}else{
 BandwidthChecker.returnBandWidth();
 this.inProgress=false;
 callback(BandwidthChecker.getConnectionSpeed(),BandwidthChecker.getConnectionType());
}
},
 returnBandWidth:function(){
 this.downloadTimes=this.downloadTimes.sort(this.sortAscending);
 nearestNumber=(this.downloadTimes[1]-this.downloadTimes[0])<=(this.downloadTimes[2]-this.downloadTimes[1])?Math.floor((this.downloadTimes[1]+this.downloadTimes[0])/2):Math.floor((this.downloadTimes[1]+this.downloadTimes[2])/2);
 elapsedTime=nearestNumber/1000;
 sizeInKBits=(this.sizeInBytes*8)/1024;
 kbps=(sizeInKBits/elapsedTime)*0.93;this.kbps=Math.round(kbps,2);
 cType="";
 this.cType=(nearestNumber>=(this.standardDownloadTime-((this.differenceMargin/100)*this.standardDownloadTime)))?this.connTypes[0]:this.connTypes[1];
},
 sortAscending:function(a,b){
 return(a-b);
},
 getConnectionType:function(){
 return this.cType;
},
 getConnectionSpeed:function(){
 return this.kbps;
}
}