Post a JavaScript

I was browsing the internet and came across this tecnique and thought it was rather cool.

To make plain text show in a password field, you need the following form -

HTML Code:

 <form>
 <input type="text" name="passwordPlain" id="passwordPlain" value="Password" onfocus="swapPasswordBoxes('click')" style="display:none;"/>
 <input type="password" name="password" id="password"

...