function getCookie(Name) {
 var search = Name + "="
 if (document.cookie.length > 0) {
  offset = document.cookie.indexOf(search) 
  if (offset != -1) {
   offset += search.length 
   end = document.cookie.indexOf(";", offset) 
   if (end == -1) end = document.cookie.length
     return unescape(document.cookie.substring(offset, end));
  } else {
    return -1;
  }
 } else {
  return -1;
 }
}

name = getCookie('name');

function checkCookies() {
if(name != -1) document.message.name.value = name;
}