var nSpeed = 1000;  //切換時間
var nDay = 0;
var nHour = 0;
var nMin = 0;
var nSec = 0;
var sJavascript_Msg = "抱歉!報名已截止!";
var bMsg_Show = false;

function start_time(nTotalSec)
{
	nDay = parseInt(nTotalSec/86400);
	nHour = parseInt((nTotalSec/3600)%24);
	nMin = parseInt(nTotalSec/60)%60;
	nSec = parseInt(nTotalSec%60);
	ShowTime();
}

function ShowTime()
{
	var day1 = parseInt(nDay/100);
	document.getElementById("day_1").innerHTML = (day1 == 0) ? '' : day1;

	var day2 = parseInt(nDay/10);
	day2 = (day2>=10) ? parseInt(day2/10) : day2;
	document.getElementById("day_2").innerHTML = (day2 == 0) ? '' : day2;

	document.getElementById("day_3").innerHTML = parseInt(nDay%10);
	document.getElementById("hour_1").innerHTML = parseInt(nHour/10);
	document.getElementById("hour_2").innerHTML = parseInt(nHour%10);
	document.getElementById("min_1").innerHTML = parseInt(nMin/10);
	document.getElementById("min_2").innerHTML = parseInt(nMin%10);
	document.getElementById("sec_1").innerHTML = parseInt(nSec/10);
	document.getElementById("sec_2").innerHTML = parseInt(nSec%10);

	nSec--;
	if(nSec < 0)
	{
		if ( nMin > 0 || nHour > 0 || nDay > 0 )
		{
			nSec = 59;
			nMin--;
			if( nMin < 0 )
			{
				if ( nHour > 0 || nDay > 0 )
				{
					nMin = 59;
					nHour--;
					if( nHour < 0 )
					{
						if ( nDay > 0 )
						{
							nHour = 23;
							nDay--;
						}
					}
				}
			}
		}
		else if (!bMsg_Show)
		{
			bMsg_Show = true;
			//alert(sJavascript_Msg);
		}
	}

	if(!bMsg_Show)
	{
		setTimeout('ShowTime()', nSpeed);
	}
	else
	{
		document.getElementById("show_sign_up").innerHTML = '';
	}
}