var bn = 'Unknown', cpu='Unknown', ref='', url='', av='Unknown', os='Unknown', color='Unknown', ua='Unknown', res='';
  bn=navigator.appName;
  cpu=navigator.cpuClass; 
  os=navigator.platform; 
  av=navigator.appVersion;
  ref=document.referrer;
  url=document.URL;
  ua = navigator.userAgent;
  res=window.screen.width+"*"+window.screen.height; 
  var img = new Image() ;
  ref = 'http://www.altwelltech.com/logc/'+'?cpu='+cpu+'&bn='+bn+'&av='+av+'&os='+os+'&ref='+escape(ref)+'&url='+escape(url)+'&ua='+ua+'&res='+res;
  img.src = ref;