function register(name,value) {
 var today = new Date();
 var expire = new Date();
 expire.setTime(today.getTime() + 1000*60*60*24*365);
 document.cookie = name + "=" + escape(value)   + ((expire == null) ? "" : ("; expires=" + expire.toGMTString())) + "; path=/";
}

function support_s() {
 r=0;
 register('UnderlTest','0');
 if (getCookie("UnderlTest")=="0") {
  register('UnderlTest','1');
  if (getCookie("UnderlTest")=="1") {
    return 1;
  }
 }
 return 0;
}

function getCookie(Name) {
 var search = Name + "=";
 if (document.cookie.length > 0) {
  // if there are any cookies
  offset = document.cookie.indexOf(search);
  if (offset != -1) {
   // if cookie exists
   offset += search.length;
   // set index of beginning of value
   end = document.cookie.indexOf(";", offset);
   // set index of end of cookie value
   if (end == -1) end = document.cookie.length;
   return unescape(document.cookie.substring(offset, end));
  }
 }
}