<script>

//Browser redirect Script- © Dynamic Drive (www.dynamicdrive.com)
//For full source code, 100's more DHTML scripts, and Terms Of Use,
//visit dynamicdrive.com

var browser_type=navigator.appName
var browser_version=parseInt(navigator.appVersion)

if (browser_type=="Microsoft Internet Explorer"&&browser_version>=4)
window.location.replace("calculo-explorer.html")
//if NS4+
else
window.location="calculo-firefox.html"
</script>


Do not delete this file.

Its function is redirect the suitable files for Explorer and other browsers.