function clock(){
	var today = new Date();
	var hours = today.getHours();
	var minutes = today.getMinutes();
	var seconds = today.getSeconds();
	var time_holder; // holds the time
	 
	//if the first radio button is checked display 12-hours format time
	// add "AM" or "PM" if the 12-hours format is chosen
	var ampm = ((hours >= 12) ? " PM" : " AM");
		 
	// convert the hour to 12-hours format
	// javascript returns midnight as 0, but since the time is in the 12-hours format
	// force javascript to return 12
	hours = ((hours == 0) ? "12" : (hours > 12) ? hours - 12 : hours);
	 
	// add a leading zero if less than 10
	minutes = ((minutes < 10) ? "0" + minutes : minutes);
	seconds = ((seconds < 10) ? "0" + seconds : seconds);
	 
	time_holder = hours + ":" + minutes + ":" + seconds + ampm;
	 
	document.getElementById('jsClock').innerHTML = time_holder;
	 
	 
	// keep the clock ticking
	setTimeout("clock()", 1000);
}