var live	= '';

	function showSubmenu( id )
	{
		document.getElementById( 'submenu_' + id ).style.display	= 'block';
		
		live	= id;
	}
	
	function hideSubmenu( id )
	{
		live	= '';
	
		setTimeout( "finishHideSubmenu( '" + id + "' );", 100 );
	}
	
	function finishHideSubmenu( id )
	{
		if( live != id )
		{
			document.getElementById( 'submenu_' + id ).style.display	= 'none';
		}
	}