Java Applets not running in Any browser

Hi,

I have JRE / JSE (1.6.17) installed on a windows 7, 32 bit Intel Machine.
I am able to do all the programming and stuff (in Java), but when i try to open a web page with a Java Applet, it just does not show.
The page gives a message saying that an additional plugin is required.
I tried, Google Chrome, Firefox, Internet Explorer...all have the same problem.

The environment variables are correctly set.
This is something completely new for me, so would appreciate some help :)

Are you sure the html file is correct? How are you trying to embed your applet?

What doesn't it show? Does it show the rest of the html page? Or just the applet isn't showing?