<script language="JavaScript">
var timerID = null;
var timerRunning = false;
function startclock () 
{
stopclock();
time();
}
function stopclock ()
{
if(timerRunning)
clearTimeout(timerID);
timerRunning = false;
}
function time()
{
var now = new Date();
var ampm = (now.getHours() >= 12) ? " P.M." : " A.M."
var hours = now.getHours();
hours = ((hours > 12) ? hours - 12 : hours);
var minutes = ((now.getMinutes() < 10) ? ":0" : ":") + now.getMinutes();
var seconds = ((now.getSeconds() < 10) ? ":0" : ":") + now.getSeconds();
var Time=(hours + minutes + seconds + " " + ampm );
window.status=Time;
timerID = setTimeout("time()",1000);
timerRunning = true;
}
function clearStatus()
{
if(timerRunning)
clearTimeout(timerID);
timerRunning = false;
window.status="";   
}
</script>

<script language="JavaScript">
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(".")) + " segundo(s)"; 
        document.forms[0].timespent.value = mySecs1 
        window.setTimeout('getSecs()',1000); 
}
document.write ("<form><input size=15 name=timespent></form>")
</script>

<script language="JavaScript">
function protegercodigo() {
if (event.button==2||event.button==3) {
alert('Aha, não falei que era protegido?!');}
}
document.onmousedown=protegercodigo
</script>