Easy peasy jQuery rollovers

I wanted a quick and easy way to do rollovers via jQuery - found it here: selfcontained.us: Simple jQuery image rollover script

Use is simple:

<img src="first.gif" data-hover="second.gif" />

.bind("mouseup.button",function(){
    if(c.disabled)return false;
    a(this).removeClass("ui-state-active")
})