http://3aka4ka.at.ua/_nw/5/25591253.jpg

В body ставим это:

Код:
<body bgcolor="#FFFFFF" text="#0000FF" onload="window.setTimeout('getSecs()',1)">  
<div align="center"><center>  

<table border="1" cellspacing="1" bgcolor="#000000" bordercolor="#FFFFFF"  
bordercolorlight="#FFFFFF" bordercolordark="#FFFFFF" cellpadding="3">  
<tr>  
<td valign="top"><script language="JavaScript"><!--  

function person_in() {  
enter=new Date();  
}  
function person_out() {  
exit=new Date();  
time_dif=(exit.getTime()-enter.getTime())/1000;  
time_dif=Math.round(time_dif);  
alert ("You've only been here for: " + time_dif + " seconds!")  
}  
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><form>  
<div align="center"><center><p><font color="#80FF00" face="MS Sans Serif" size="1">Вы  
находитесь на этой странице уже:<br>  
<br>  
</font><input type="text" size="20" name="timespent" onfocus="this.blur()"  
style="font-family: sans-serif; text-align: center; font-size: 8pt; background-color: rgb(0,0,0); color: rgb(255,255,0); border: thin"></p>  
</center></div>  
</form>  
</td>  
</tr>  
</table>  
</center></div>