U.Helper

<script type="text/javascript">  
  var username = GetCookie('username');  
  if (username == null) {  
  username = prompt('Please enter your name (otherwise press cancel)',"WebSurfer");  
  if (username == null) {  
  alert('Its ok if you dont want to tell me your name');  
  username = 'WebSurfer';  
  } else {  
  pathname = location.pathname;  
  myDomain = pathname.substring(0,pathname.lastIndexOf('/')) +'/';  
  var largeExpDate = new Date ();  
  largeExpDate.setTime(largeExpDate.getTime() + (365 * 24 * 3600 * 1000));  
  SetCookie('username',username,largeExpDate,myDomain);  
     }  
  }  
  function getCookieVal (offset) {  
  var endstr = document.cookie.indexOf (";", offset);  
  if (endstr == -1)  
  endstr = document.cookie.length;  
  return unescape(document.cookie.substring(offset, endstr));  
  }  
  function GetCookie (name) {  
  var arg = name + "=";  
  var alen = arg.length;  
  var clen = document.cookie.length;  
  var i = 0;  
  while (i < clen) {  
  var j = i + alen;  
  if (document.cookie.substring(i, j) == arg)  
  return getCookieVal (j);  
  i = document.cookie.indexOf(" ", i) + 1;  
  if (i == 0)  
  break;  
  }  
  return null;  
  }  
  function SetCookie (name, value) {  
  var argv = SetCookie.arguments;  
  var argc = SetCookie.arguments.length;  
  var expires = (argc > 2) ? argv[2] : null;  
  var path = (argc > 3) ? argv[3] : null;  
  var domain = (argc > 4) ? argv[4] : null;  
  var secure = (argc > 5) ? argv[5] : false;  
  document.cookie = name + "=" + escape (value) +  
  ((expires == null) ? "" : ("; expires=" +  
  expires.toGMTString())) +  
  ((path == null) ? "" : ("; path=" + path)) +  
  ((domain == null) ? "" : ("; domain=" + domain)) +  
  ((secure == true) ? "; secure" : "");  
  }  
  </script>