// Copyright (c) 2008 Media-Crew Co,.Ltd
// Created by 2008.02.15 M.Oikawa

function disp_hide(id ,act) {
    if(act == 1){
        document.getElementById(''+id+'').style.display = 'none';
        document.getElementById(''+id+'_up').style.display = '';
        document.getElementById(''+id+'_down').style.display = 'none';
    }else{
        document.getElementById(''+id+'').style.display = '';
        document.getElementById(''+id+'_up').style.display = 'none';
        document.getElementById(''+id+'_down').style.display = '';
    }
}

function nav(sel) {
   if (sel.selectedIndex == -1) return;
   var opt = sel.options[sel.selectedIndex];
   if (opt && opt.value)
      location.href = opt.value;
}