Ниже идёт сам код, который необходимо разместить на страничке: 

<html>
<head>

<script>
<!--

function showTime()
{

dayTwo = new Date();
hrNow = dayTwo.getHours();
mnNow = dayTwo.getMinutes();
scNow = dayTwo.getSeconds();
miNow = dayTwo.getTime();
if (hrNow == 0)
	{
	hour = 0;
	ap = " AM";
	}

else if(hrNow <= 11)
	{
	ap = " AM";
	hour = hrNow;
	} 

else if(hrNow == 12)
	{
	ap = " PM";
	hour = 12;
	} 

else if (hrNow >= 13)
	{
	hour = (hrNow - 12);
	ap = " PM";
	}

if (hrNow >= 13)
	{
	hour = hrNow - 12;
	}

if (mnNow <= 9)
	{
	min = "0" + mnNow;
	}

else (min = mnNow)
if (scNow <= 9)
{
secs = "0" + scNow;
} 

else
{
secs = scNow;
}
time = hour + ":" + min + ":" + secs ;

if(document.all)
	{
	document.all.clock.innerHTML=time;
	document.all.clock1.innerHTML=time;
	}

if(document.layers)
	{
document.clock.document.write('<p style=\"font-size:10px; font-weight:bold; font-family:Verdana;





 color:#a0a0a0;\">' + time + '<\/p>');
document.clock1.document.write('<p style=\"font-size:10px; z-index:-1; position:absolute;





  top:1; left:1; font-weight:bold; font-family:Verdana;
				 color:#11a6ff;\">' + time + '<\/p>');
document.clock.document.close();
document.clock1.document.close();

	}

setTimeout('showTime()', 1000);

}

// -->
</script>
</head>
<body onLoad="showTime()">
<div id="clock" style="position: absolute; top: 115; left: 13; color: #11a6ff; font-family: Verdana;




  font-size: 20px; font-weight: bold; width: 110; height: 33">
</div>
<div id="clock1" style="position: absolute; z-index: -1; top: 117; left: 15; color:
  #a0a0a0; font-family: Verdana; font-size: 20px; font-weight: bold; width: 120; height: 30">
</div>

</body>
</html>