function getCookie(name) {
    var Found = false;
    var start, end;
    var i = 0;

    // cookie ¹®ÀÚ¿­ Àüü¸¦ °Ë»ö
    while(i <= document.cookie.length) {
         start = i;
         end = start + name.length;
         // name°ú µ¿ÀÏÇÑ ¹®ÀÚ°¡ ÀÖ´Ù¸é
         if(document.cookie.substring(start, end) == name) {
             Found = true;
             break;
         }
         i++;
    }

    // name ¹®ÀÚ¿­À» cookie¿¡¼­ ã¾Ò´Ù¸é
    if(Found == true) {
        start = end + 1;
        end = document.cookie.indexOf(";", start);
        // ¸¶Áö¸· ºÎºÐÀ̶ó´Â °ÍÀ» ÀǹÌ(¸¶Áö¸·¿¡´Â ";"°¡ ¾ø´Ù)
        if(end < start)
            end = document.cookie.length;
        // name¿¡ ÇØ´çÇÏ´Â value°ªÀ» ÃßÃâÇÏ¿© ¸®ÅÏÇÑ´Ù.
        return document.cookie.substring(start, end);
    }
    // ãÁö ¸øÇß´Ù¸é
    return "";
}

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