(
function ()
{
    function setCookie()
    {
        var href=window.location.href;
        var mailIndex=href.indexOf("s=");
        if(mailIndex==-1)
            return;
        
        var queryString=href.substring(mailIndex);
        var starmail="";
        if(queryString.indexOf("&")==-1)
        {
            starmail=queryString.substring(2);
        }
        else
        {
            starmail=queryString.substring(2,queryString.indexOf("&"));
        }
        
        var nextyear = new Date( );
        nextyear.setFullYear(nextyear.getFullYear( ) + 1);
        document.cookie = "STARID=" +starmail+";expires=" + nextyear.toGMTString();
    }
    window.onload=setCookie;
}

)();

function postback()
{
   var allcookies=document.cookie;
   var pos=allcookies.indexOf("STARID");       
   if(pos==-1)
       return;
    
   var starmail="";
   var tailcookie=allcookies.substring(pos);
   if(tailcookie.indexOf(";")==-1)
   {
       starmail=tailcookie.substring(7);
   }
   else
   {
       starmail=tailcookie.substring(7,tailcookie.indexOf(";"));
   }
   
   var img=document.createElement("img");
   document.body.appendChild(img);
   var ticket=new Date();
   
   img.src="http://app.focussend.com/track/reg.ashx?starid="+starmail+"&t="+ ticket.getMilliseconds();
   document.body.removeChild(img);
}