function setCookie(keyname,val) {
   var tmp = keyname+"="+escape(val)+";";
   document.cookie = tmp;
   }

function getCookie(keyname) {
   var tmp = document.cookie + ";";
   var index1 = tmp.indexOf(keyname,0);
   if(index1 != -1) {
      tmp = tmp.substring(index1,tmp.length);
      index2 = tmp.indexOf("=",0);
      index3 = tmp.indexOf(";",index2);
      return unescape(tmp.substring(index2+1,index3));
      }
   return "";
   }