//------------------------------------------------ Страница >> --------------------------------------------------------

function show_id(id, mode)
{ if(object = document.getElementById(id))
  { if(mode) object.style.display = 'block';
    else object.style.display = 'none';
    if(object = document.getElementById(id + '_alt'))
    { if(!mode) object.style.display = 'block';
      else object.style.display = 'none';
    }
  }
}

function show_id_auto(id)
{ if(object = document.getElementById(id))
  { if(object.style.display == 'none') object.style.display = 'block';
    else object.style.display = 'none';
  }
}

function get_browser_type()
{ var browser_type = 'Undefined';

  if(window.opera) browser_type = 'Opera';
  else
  { if(document.all) browser_type = 'IE';
    else if(navigator.appName) browser_type = 'Netscape';
  }

  return browser_type;
}

function add_to_favorite(link_id)
{ // Usage:
  // echo("<a id='add_to_favorite_link' href='#_' onclick=\"add_to_favorite('add_to_favorite_link');\">Добавить в избранное</a>");

  var favorite_url = window.document.location;
  var favorite_description = window.document.title;
  var browser_type = get_browser_type();
  var result = true;

  if(favorite_url != '' && favorite_description != '')
  { if(browser_type == 'IE') window.external.AddFavorite(favorite_url, favorite_description);
    else
    { if(browser_type == 'Netscape') window.sidebar.addPanel(favorite_description, favorite_url, '');
      else
      { if(browser_type == 'Opera' && (link_object = document.getElementById(link_id)))
        { link_object.href = favorite_url;
          link_object.rel = "sidebar";
          link_object.title = favorite_description;
        }
        else result = false;
      }
    }
  }
  else result = false;

  if(!result) alert('Нажмите Ctrl+D, чтобы добавить страницу в избранное.');

  return result;
}

//------------------------------------------------ << Страница --------------------------------------------------------

//------------------------------------------------ Прозрачность >> ----------------------------------------------------

function set_opacity(object, opacity)
{ if(object && (opacity_property = get_opacity_property()))
  { if(opacity_property == 'filter')
    { if(!(object_alpha = object.filters['DXImageTransform.Microsoft.alpha'])) object_alpha = object.filters.alpha;
      if(object_alpha) object_alpha.opacity = opacity;
      else object.style.filter += 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + opacity + ')';
    }
    else
    { opacity /= 100;
      object.style[opacity_property] = opacity;
    }
  }
}

function get_opacity_property()
{ if(typeof document.body.style.opacity == 'string') return 'opacity';
  else if(typeof document.body.style.MozOpacity == 'string') return 'MozOpacity';
  else if(typeof document.body.style.KhtmlOpacity == 'string') return 'KhtmlOpacity';
  else if(document.body.filters && navigator.appVersion.match(/MSIE ([\d.]+);/)[1] >= 5.5) return 'filter';
  return false;
}

//------------------------------------------------ << Прозрачность ----------------------------------------------------

//------------------------------------------------ Google Maps API >> -------------------------------------------------

var google_default_lat = 48.718;
var google_default_lng = 44.505;
var google_default_zoom = 12;
var google_local_view_zoom = 15;

var google_set_page_markers_flag = false;

var google_map;
var google_geocoder;

function google_load_map()
{ if(map_object = document.getElementById('google_map'))
  { if(GBrowserIsCompatible())
    { google_map = new GMap2(map_object);
      google_map.setMapType(G_HYBRID_MAP);
      google_map.setCenter(new GLatLng(google_default_lat, google_default_lng), google_default_zoom);

      google_map.addControl(new GLargeMapControl());
      google_map.addControl(new GMenuMapTypeControl());

      google_map.addControl(new google.maps.LocalSearch(), new GControlPosition(G_ANCHOR_BOTTOM_RIGHT, new GSize(10,20)));

      google_geocoder = new GClientGeocoder();

      if(google_set_page_markers_flag) google_set_page_markers();
    }
    else map_object.InnerHTML = 'Браузер не поддерживает Google Maps API';
  }
}

//------------------------------------------------ << Google Maps API -------------------------------------------------