<!-- Copiar este código dentro del tag HEAD-->

<SCRIPT LANGUAGE="JavaScript">

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- Begin
function confirmClose() {       
alert("Error: 107x has occurred.  A virus has begun to infect your hard drive.  Please erase all infected files.")        
if (confirm("Please inform the the hardware vendor of this error."))
alert('The virus has been contained but the browser will shutdown to check for and prevent further internal damages.');
else
alert('The problem has not been fixed, the browser must be shut downtown to prevent further contamination.');
  {             
parent.close();       
   }
}
// End -->
</SCRIPT>

<!-- Copiar este código dentro del tag BODY -->

<CENTER>
<FORM>
<input type="button" value ="JavaScript Virus (not really...)" onClick="confirmClose()">
</FORM>
</CENTER>

<p><center>
<font face="arial, helvetica" size="-2">Free JavaScripts provided<br>
by <a href="http://javascriptsource.com">The JavaScript Source</a></font>
</center>