3 JQuery Input Label Plugins

Floating Form Labels is a jQuery plugin to create the float label pattern that floats the inline label up above the text field when focused. Supports both input field and textarea......
Float-Label-Pattern Input-label

flying-labels.js is a jQuery plugin that helps you create floating labels (placeholders) with CSS3 animations for your input and textarea elements......
Float-Label-Pattern Input-label Placeholder

A very simple jQuery plugin that creates static inline or animated floating labels for input fields with placeholders......
input Input-label Placeholder