// ÄíÅ°¸¦ »ý¼ºÇÑ´Ù.
function setCookie( name, value, expires ){
var expdate = new Date();
expdate.setTime(expdate.getTime() + 1000 * expires); // expires = 3600 * 24 * 365 => 365ÀÏ
document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + expdate.toGMTString() + ";";
}
// ÄíÅ°¸¦ °¡Á®¿Â´Ù.
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 "";
}