Increasing form usability with JavaScript

<body> <center>Sorry you do not have frames enabled. Here is the link of the tutorial:<br> <a href="http://www.webcredible.co.uk/user-friendly-resources/dom-scripting/form-usability.shtml">http://www.webcredible.co.uk/user-friendly-resources/dom-scripting/form-usability.shtml</a></center> </body>