function setCookie( name, value, expiredays ){ 
        var todayDate = new Date(); 
        todayDate.setDate( todayDate.getDate() + expiredays ); 
        document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";" 
 }


 function getCookie( name ){
   var nameOfCookie = name + "=";
   var x = 0;
   while ( x <= document.cookie.length ){
     var y = (x+nameOfCookie.length);
     if ( document.cookie.substring( x, y ) == nameOfCookie ) {
       if ( (endOfCookie=document.cookie.indexOf( ";", y )) == -1 )
         endOfCookie = document.cookie.length;
       return unescape( document.cookie.substring( y, endOfCookie ) );
     }
     x = document.cookie.indexOf( " ", x ) + 1;
     if ( x == 0 )
       break;
   }
   return "";
 }