// 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 "";
}