// JavaScript Document
var time_auto = 5000;
var time_sh = 1000;
var times = 0;
var time_tmp = 0;

var timer;

var div_cnt = 3;
var div_old = 0;

function showdiv(d)
{
	clearTimeout(timer);
	if (div_old != d)
	{
		document.getElementById('info_' + div_old).style.display = "none";
		document.getElementById('info_bt_' + div_old).className = "info_bt_nm";
		
		document.getElementById('info_' + d).style.display = "block";
		document.getElementById('info_bt_' + d).className = "info_bt_st";
		
		div_old = d;
	}
}

function autoshow()
{
	if (times >= div_cnt)
		time_tmp = time_auto;
	else
		time_tmp = time_sh;
		
	timer = setTimeout("sh()", time_tmp);
}

function sh()
{
	times++;
	
	div_old = (div_old >= div_cnt - 1)? 0 : div_old + 1;
	
	for (var i=0; i < div_cnt; i++)
	{
		document.getElementById("info_" + i).style.display = "none";
		document.getElementById('info_bt_' + i).className = "info_bt_nm";
	}
		
	document.getElementById("info_"+ div_old).style.display = "block";
	document.getElementById('info_bt_' + div_old).className = "info_bt_st";

	if (times >= div_cnt)
		time_tmp = time_auto;
	else
		time_tmp = time_sh;

	timer = setTimeout("sh()", time_tmp);
	
}