var g_num_menus = 2;
document.onmouseover = hide_all_menus;

function change_visibility( menu_num , show_flag )
{
	if ( document.all )
	{
		var v = ( show_flag != 0 ) ? ( "visible" ) : ( "hidden" );
		document.all[ "menu" + menu_num ].style.visibility = v;
	}
	else if ( document.layers )
	{
		var v = ( show_flag != 0 ) ? ( "show" ) : ( "hide" );
		document.layers[ "menu" + menu_num ].visibility = v;
	}
}

// -------------------------------------------------------------------------------------------------- //

function hide_all_menus( )
{
	for ( var i = 1 ; i <= g_num_menus ; i++ )
		change_visibility( i , 0 );
}

// -------------------------------------------------------------------------------------------------- //

function menu_over( menu_num , evt )
{
	evt.cancelBubble = true;
	hide_all_menus( );
	change_visibility( menu_num , 1 );
}

function menuOver( rolling )
{

}

function menuOut( rolling )
{

}











/*
var g_menu = null;
var g_timeout_id = null;

function menu_over( menu_id )
{alert("menu_over");
  if( ( document.getElementById ) && ( document.getElementById( menu_id ) != null ) )
  {
    if( g_menu == document.getElementById( menu_id ) ) 
      clearTimeout( g_timeout_id );
    else
	{
      if( g_menu != null )
	  {
        clearTimeout( g_timeout_id );
        hideNow( );
      }
    }
	
    g_menu = document.getElementById( menu_id )
    if( ( g_menu.style ) && ( g_menu.style.visibility != null ) )
      g_menu.style.visibility = 'visible';
  }
}

// ----------------------------------------------------------------------------- //

function menu_out( menu_id )
{
  if ( ( document.getElementById ) && ( document.getElementById( menu_id ) != null ) )
  {
    g_menu = document.getElementById( menu_id );
    g_timeout_id = window.setTimeout( 'hideNow( );' , 250 );
  }
}

// ---------------------------------------------------------------------------- //

function menu_stay_open( menu_id )
{
  if( ( g_menu == null ) || ( ( g_menu.style) && ( g_menu.style.visibility) && ( g_menu.style.visibility=='hidden' ) ) ) return;
  else menu_over( menu_id );
}

// ---------------------------------------------------------------------------- //

function hideNow( )
{
  if ( ( g_menu.style ) && ( g_menu.style.visibility ) ) \
    g_menu.style.visibility = 'hidden';
}

// ---------------------------------------------------------------------------- //
*/