function checkCookie() {
   if( ! getCookie() )
     setCookie();
   else
     window.status = "Bienvenido de vuelta a donosti.net...";
}


function getCookie(){
  return document.cookie;
}


function setCookie() {
   // set expiration time of 30 days 
   var today = new Date();
   var expires = new Date(today.getTime() + 30 * 24 * 60 * 60 * 1000);

   window.status = "Bienvenido a donosti.net...";
        
   document.cookie = "visitante=true;path=/;" + 
                     "expires=" + expires.toGMTString() ;
} 


function clearCookie(){
   document.myForm.feedback.value="Clearing cookies...";
   document.cookie = "visited=;domain=;path=;expires=01-01-00";
}



function bgColor(color){
  document.cookie = "bg=" + color;
}