Javascript Impossible-to-Break Password

This is the last of the password series that I am going to make. I've heard many of you complain about how easy it is to crack the Javascript passwords. Well, this one is literally impossible to break. The only disadvantage is that this takes the viewer to the HTML page name that they put in, so webmasters can't be as creative as they would like.

<script language="JavaScript">
<!--
// please keep these lines on when you copy the source
// made by: Nicolas - http://www.javascript-page.com

var password = prompt("Enter in the password.  It's ' impossible '.","")

if (password == null) {
history.back();
}

else {
location = password.toLowerCase() + ".html"

//-->
</script>

Color coding..

There is nothing you really need to change on this script, but your password should be the same as the URL you want the viewer to go to. In other words, if you want the password to be "monkey", then your password page needs to be located at "monkey.html".