function menulink(flag) { 
 var url;

 switch(flag) {
 	//체계설비 **********************************************
    case "manafacturing":    url="/eng/technology/manufacturing.php"; break;
	case "technology":    url="/eng/technology/technology.php"; break;
	case "development":    url="/eng/technology/development.php"; break;
	case "achievement":    url="/eng/technology/achievement.php"; break;
	case "resultsofphysical":    url="/eng/technology/resultsofphysical.php"; break;
  
    //회사소개 ************************************************
    case "greeting":    url="/eng/company/greeting.php"; break;
    case "history":    url="/eng/company/history.php"; break;
    case "corp_identy":    url="/eng/company/corp_identy.php"; break;
    case "technologe":    url="/eng/company/technologe.php"; break;
    case "customer":    url="/eng/company/customer.php"; break;
	case "certification":    url="/eng/company/certification.php"; break;
	case "location":    url="/eng/company/location.php"; break;

    //제품소개 ************************************************
    case "product01":    url="/eng/product/product.php?idx=DCL120"; break;
    case "product02":    url="/eng/product/other_product.php"; break;

    //갤러리 ************************************************
	case "gellery":    url="/eng/gellery/gellery.php"; break;
    case "gellery01":    url=""; break;
    case "gellery02":    url=""; break;

    //고객지원 ************************************************
    case "support":    url="/eng/support/to_mail.php"; break;
      case "ebook":    url="/eng/support/e-book.php"; break;
      case "movie_down":    url="/eng/support/support_movie.php"; break;
}
 
 if (url != ""){
  document.location.href=url;
 }
 else {
  alert('sorry, no page');
 }
}