/**
 * @description : 쿠키 값을 불러온다
 * @in : 쿠키 이름
 * @out : 쿠키 값
 */
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 "";
}

/**
 * @description : 쿠키 값을 셋팅한다
 * @in : 쿠키 이름, 쿠키값, 기한
 * @out : 無
 */
function setCookie( name, value, expiredays )
{
  var todayDate = new Date();
  todayDate.setDate( todayDate.getDate() + expiredays );
  document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";";
}