var fchk;
   var lmt;
   function CharLmt(f,limit) {
    fchk=f;
    lmt=limit;
    a=fchk.message.value;
    n=a.length;
    fchk.charleft.value=limit-n;
    if (n>limit) {fchk.message.value=a.substring(0,limit);}
    setTimeout('CharLmt(fchk,lmt)',1000);
   }