// Copyright(c) 2009-2011 BABA Minoru

( function()
{
	var timeLimit = 10;
	
	var elapsedTime = document.createElement( 'span' );
	elapsedTime.appendChild( document.createTextNode( '--' ) );
	
	var autoReload = document.getElementById( 'auto-reload' );
	if( autoReload )
	{
		var now = new Date();
		var nowString = now.getFullYear() + '年'
			+ ( now.getMonth() + 1 ) + '月'
			+ now.getDate() + '日 '
			+ now.toLocaleTimeString(); 
		
		autoReload.appendChild( document.createTextNode( nowString ) );
		autoReload.appendChild( document.createElement( 'br' ) );
		autoReload.appendChild( document.createTextNode( '( 自動更新：' ) );
		autoReload.appendChild( elapsedTime );
		autoReload.appendChild( document.createTextNode( '分後 )' ) );

		try
		{
			window.addEventListener( 'load', CountDown, false );
		}
		catch( e )
		{
			window.attachEvent( 'onload', CountDown );
		}
	}
	
	function CountDown()
	{
		elapsedTime.removeChild( elapsedTime.firstChild );
		elapsedTime.appendChild( document.createTextNode( timeLimit ) );

		if( --timeLimit <= 0 )
		{
			location.reload();
		}
		else
		{
			var delay = 1000 * 60;
			window.setTimeout( CountDown, delay );
		}
	}
} )();