function setCookie(name,value,hours)
   {
   var expire = "";
   expire = new Date((new Date()).getTime() + hours * 3600000);
   expire = "; expires=" + expire.toGMTString();
   document.cookie = name + "=" + escape(value) + expire;
   }
   

function getCookie(name)
   {
   var cookieValue = "";
   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;
         cookieValue = unescape(document.cookie.substring(offset, end))
         }
      }
   return cookieValue;
   }