Код:
<script language="JavaScript"> <!-- startday = new Date(); clockStart = startday.getTime(); function initStopwatch() { var myTime = new Date(); var timeNow = myTime.getTime(); var timeDiff = timeNow — clockStart; this.diffSecs = timeDiff/1000; return(this.diffSecs); } function getSecs() { var mySecs = initStopwatch(); var mySecs1 = ""+mySecs; mySecs1= mySecs1.substring(0,mySecs1.indexOf(".")) +" сек."; document.forms[0].timespent.value = mySecs1 window.setTimeout('getSecs()',1000); } //--> </script>