JavaScript Enumeration and Handle Validation
JavaScript is the most popular lanague in the world now a days for web, but most of the developer just copying and pasting the javascript code. if its work say wow what a language.
if not work then say what a crazy language so in the following tutorial i am going to show you the basic of JavaScript and page validation
http://www.decentsolution.com/2011/01/javascript-object-oriented-programming.html