Javascript Code: Close the browser with a button

To close the IE or you can close the windows and exit from windows and popup

<!-- this script got from www.javascriptfreecode.com-Coded by: Krishna Eydat -->
<!-- Start of Close Browser Script -->
<!-- When the "Close Window" button is clicked, this script
    will close the browser window that the webpage is in.
-->
<script language="JavaScript">
<!--

function closeIt() {
  close();
}

// -->
</script>

<center>
<form>
<input type=button value="Close Window" onClick="closeIt()">
</form>
</center>

<!-- End of Close Browser Script -->
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