var currentTimeActive = 1;
var unixTimer = 0;
function unix2human() {
    var unixTimeValue = new Date(document.unix2beijing.timestamp.value * 1000);
    beijingTimeValue = unixTimeValue.toLocaleString();
	document.unix2beijing.result.value = beijingTimeValue;
}
function human2unix() {
    var humanDate = new Date(Date.UTC(document.beijing2unix.year.value, (stripLeadingZeroes(document.beijing2unix.month.value)-1), stripLeadingZeroes(document.beijing2unix.day.value), stripLeadingZeroes(document.beijing2unix.hour.value), stripLeadingZeroes(document.beijing2unix.minute.value), stripLeadingZeroes(document.beijing2unix.second.value)));
	document.beijing2unix.result.value = (humanDate.getTime()/1000 - 8*60*60);
}
function stripLeadingZeroes(input) {
    if((input.length > 1) && (input.substr(0,1) == "0")) {
		return input.substr(1);
	} else {
		return input;
	}
}
function currentTime() {
	var timeNow = new Date();
	document.getElementById("currentunixtime").innerHTML = Math.round(timeNow.getTime()/1000);
	if (currentTimeActive) {
		unixTimer = setTimeout("currentTime()", 1000);
	}
}
function startTimer() {
	currentTimeActive = 1;
	currentTime();
}
function stopTimer() {
	currentTimeActive = 0;
	clearTimeout(unixTimer);
}