var timer = null function stop() { clearTimeout(timer) } function start() { var time = new Date() var hours = time.getHours() var minutes = time.getMinutes() minutes=((minutes < 10) ? "0" : "") + minutes var seconds = time.getSeconds() seconds=((seconds < 10) ? "0" : "") + seconds var clock = hours + ":" + minutes + ":" + seconds document.forms[0].display.value = clock timer = setTimeout("start()",1000) }