// $Id: default.js,v 1.3 2000/01/08 02:42:42 sin Exp $
// DO NOT MODIFY THIS! (START)
function reload_image (name, image) {
  if (is_netscape(3) || is_ie(3))
    {
      document.images[name].src = image;
    }
}

function is_mac() {
  if (navigator.userAgent.indexOf("Mac") >= 0) 
    {
      return true;
    }

  return false;
}

function is_win() {
    if (navigator.userAgent.indexOf("Win") >= 0) 
      {
        return true;
      }
    return false;
}

function is_netscape (version) {
  if ((navigator.appName.indexOf("Netscape") >= 0)
      && (parseInt(navigator.appVersion.substring(0, 3)) >= version)) 
    {
      return true;
    } 
  else 
    {
      return false;
    }
}

function is_ie(version) {
  if ((navigator.appName.indexOf("Microsoft Internet Explorer") >= 0)
      && (parseInt(navigator.appVersion.substring(0, 3)) >= version)) 
    {
      return true;
    } 
  else 
    {
      return false;
    }
}

function support_mime_type(name) {
  var length = navigator.mimeTypes.length;
  
  for(i = 0; i < length; i++) {
    if (navigator.mimeTypes[i].type.indexOf(name) >= 0) {
      return true;
    }
  }
  return false;
}

function support_plugin(name) {
    var length = navigator.plugins.length;

    for(i = 0; i < length; i++) {
        if (navigator.plugins[i].name.indexOf(name) >= 0) {
            return true;
        }
    }
    return false;
}

function support_shockwave_flash() {
    if (support_mime_type("application/x-shockwave-flash") &&
        support_plugin("Shockwave Flash")) {
        return true;
    }
    else {
        return false;
    }
}
// DO NOT MODIFY THIS! (END)