var startday = new Date();
var 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(".")); 
	//alert("Seconds = " + mySecs1);
	return mySecs1;
}

function setFields() {
	document.all.theForm.SecondsInLesson.value = getSecs();
	document.all.theForm.submit();
	return false
}