pones esto abajo del <title>
<!--BEGIN POPUP WINDOW SCRIPT-->
<!--
Popup Window
Version 2.0
Last Updated: May 7, 1999
Code maintained at: http://www.moock.org/webdesign/javascript/
Copy permission granted for non-commercial uses. Written by Colin Moock.-->
<SCRIPT LANGUAGE="JavaScript"> var javascript_version = 1.0;</SCRIPT>
<SCRIPT LANGUAGE="JavaScript1.1"> javascript_version = 1.1;</SCRIPT>
<SCRIPT LANGUAGE="JavaScript">
var newwin;
function launchwin(winurl,winname,winfeatures)
{
//This launches a new window and then
//focuses it if window.focus() is supported.
newwin = window.open(winurl,winname,winfeatures);
if(javascript_version > 1.0)
{
//delay a bit here because IE4 encounters errors
//when trying to focus a recently opened window
setTimeout('newwin.focus();',250);
}
}
</SCRIPT>
y esto en el boton:::::::.
<a href=javascript="launchwin('paquete.asp' , 'newwindow' , 'height=450,width=700,top=40,left=55')">
<div align=center>
<param name=movie value=http://www.guerrerohermida.com.mx/firma.swf>
<param name=quality value=high><embed src=http://www.guerrerohermida.com.mx/firma.swf WIDTH=200 HEIGHT=75>
</embed></div>