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Effectively Requiring Cookies With All Browsers

By Will Bontrager

If you have any web pages that must not be viewed unless a certain cookie is set, this article contains the means to make it so.

The article sidesteps the argument that restricted content can be viewed simply by turning off JavaScript. I'll show you how to redirect browsers to a different page if they don't have JavaScript turned on.

When your site visitor's browser loads a web page with today's code properly in place, this is what happens:

If the browser has JavaScript turned off, it is redirected to another URL.

Otherwise, JavaScript tries to set a cookie. If the cookie is not accepted, the browser is redirected to another URL.

Therefore, when the browser displays the web page, the browser is JavaScript-enabled and a cookie has been set.

This method of requiring a cookie has a number of uses.

Click here to read the rest of the article.

May 8, 2007

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