nesecito krear un codigo para ke se cierre una ventana sin preguntar nada tengo un codio pero te pregunta
el codigo es:
<!-- ONE STEP TO INSTALL CLOSE WINDOW:
1. Add the onLoad event handler into the BODY tag -->
<!-- STEP ONE: Insert the onLoad event handler into your BODY tag -->
<BODY onLoad="setTimeout(window.close, 5000)">
<!-- Then use the script at
http://navigation.javascriptsource.com/popup-page.html
to easily open a window, and then this one if you
need to close it after a certain number of seconds.
-->
<p><center>
<font face="arial, helvetica" size="-2">Free JavaScripts provided<br>
by <a href="http://javascriptsource.com">The JavaScript Source</a></font>
</center><p>
<!-- Script Size: 0.57 KB -->