How to make jQuery waypoints plugin fire when an element is in view and not scrolled past?

Question

Please see this:

http://jsfiddle.net/5Zs6F/2/

As you can see only when you scroll past the first red rectangle it turns blue, I would like it to turn blue th

Answer 1

OK. Found a solution which works fine.

    jQuery('.zoomInDownInaktiv').waypoint(function(direction) {
    if (direction === "down") {
        jQuery(this.element).removeClass('zoomInDownInaktiv');
        jQuery(this.element).addClass('zoomInDown');
    }
}, { offset: '80%' });