function getCookie(cname){
  if (document.cookie.length !=0) {              
    begin = document.cookie.indexOf(cname+"=");       
    if (begin != -1) {           
      begin += cname.length+1;       
      end = document.cookie.indexOf(";", begin);
      if (end == -1) end = document.cookie.length;
        return unescape(document.cookie.substring(begin, end));
    } 
  }
}


function chkcookie(cname) {

  cookie=getCookie(cname);

  if (cookie !=null) {
   document.theLogon.logon.value=cookie;
   document.theLogon.submit.click();
  }
}


function setcookie(cname,val) {
  document.cookie=cname+"="+escape(val)+";path=/"; 

}