Placeholder in IE9

HTML5 Placeholder jQuery Plugin
- by Mathias Bynens (a collaborator on HTML5 Boilerplate and jsPerf)

https://github.com/mathiasbynens/jquery-placeholder

Demo & Examples

http://mathiasbynens.be/demo/placeholder

p.s
I have used this plugin many times and it works a treat. Also it doesn't submit the placeholder text as a value when you submit your form (... a real pain I found with other plugins).