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(".")) + " secs.";
        document.form1.timespent.value = mySecs1
        window.setTimeout('getSecs()',1000);
}