JavaScript Login

Tags: General HTML | Security File Author Send email Website 2009011302 Ronx to Ronx www.rxs-enterprises.org

JavaScript no-404 Logon Page

Use JavaScript to provide a Logon dialogue

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UserId:
(This is the name of the folder containing the page)

Password:
(This is the name of the page, without the extension)

Use the form above to get to our secure pages.

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For the above form, use:

Userid	acfGGsd95g
Password	trJhK764_cv

Of course, in real life you will not display the userid or password on the page!!

The "security" uses javascript to map userid and password to foldername/pagename.html

Construction of the pages used is explained here.

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How it Works (simplified)

• This "security" system uses a form to enter a userid and password.
• The userid and password are manipulated by javascript to form a URL to an image, in the form userid/password.gif, and swaps this image with one already in the form.
• If the new image loads, the javascript then opens the secured page - userid/password.html
• If the image fails to load (because userid and/or password are incorrect) an alert window is shown stating the logon details are incorrect.

A much simpler method is shown here.  This will show a Page Not Found error if the password is incorrect.

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