var ns= (navigator.appName.substring(0,8)=="Netscape");
var ie= (navigator.appName.indexOf('Microsoft Internet Explorer')>-1);
var ns4= (ns && (navigator.appVersion.charAt(0)==4));
var ns6plus= (ns && (navigator.appVersion.charAt(0)>4)); //true for NS6 and NS7
var ie5plus= (ie && ((navigator.userAgent.indexOf("MSIE 5")!=-1)||(navigator.userAgent.indexOf("MSIE 6")!=-1)));
var ns7= (ns && (navigator.userAgent.indexOf("Netscape/7"))!=-1);
var opera=(ie && (navigator.userAgent.indexOf("Opera"))!=-1);
var firefox=(ns && (navigator.userAgent.indexOf("Firefox"))!=-1);

var b="";  // browser type
if (ns) {
 if (firefox) b="Firefox_"+navigator.userAgent.charAt(navigator.userAgent.indexOf("Firefox")+8);
 else if (ns7) b="Netscape_7";
 else if (ns4) b="Netscape_4";
 else if (ns6plus) b="Netscape_"+navigator.appVersion.charAt(0);
}
else if (ie) {
 if (opera) b="Opera_"+navigator.userAgent.charAt(navigator.userAgent.indexOf("Opera")+6);
 else if (navigator.userAgent.indexOf("MSIE")!=-1) b="MSIE_"+navigator.userAgent.charAt(navigator.userAgent.indexOf("MSIE")+5);
 else b="IE";  
}

//begin Click log routine
if (document.referrer.length==0) r="";
else r=escape(document.referrer);
p=escape(document.location);
l=p.indexOf("emeralddata.net");
p=p.substr(l+15);

if (location.search.indexOf("r=0")==-1) document.write('<img src="/cgi-bin/clicknlog.cgi?b='+b+'&r='+r+'&p='+p+'" width=1 height=1 alt="*">');

// Set external links to record clicks
var links=window.document.links;
for (var i=0; i<links.length; i++) {	
  if ((links[i].href.indexOf("emeralddata.net")==-1) && (links[i].href.indexOf("javascript:")==-1) && (links[i].href.indexOf("replytomail.com")==-1)) {
    links[i].href='http://www.emeralddata.net/cgi-bin/clicknlog.cgi?l=1&b='+b+'&r='+p+'&p='+escape(links[i].href);  
  }
}
// end Click Log routine