Equalizer

Equalizer is a MooTools plugin which analyzes a given set of elements and equalizers their height, taking into account the box model additions.

MooTools Javascript Class

/*
---
description:     Equalizer

authors:
  - David Walsh (http://davidwalsh.name)

license:
  - MIT-style license

requires:
  core/1.2.1:   '*'

provides:
  - Equalizer
...
*/
var Equalizer = new Class({
	initialize: function(elements) {
		this.elements = $$(elements);
	},
	equalize: function(hw) {
		if(!hw) { hw = 'height'; }
		var max = 0,
			prop = (typeof document.body.style.maxHeight != 'undefined' ? 'min-' : '') + hw; //ie6 ftl
			offset = 'offset' + hw.capitalize();
		this.elements.each(function(element,i) {
			var calc = element[offset];
			if(calc > max) { max = calc; }
		},this);
		this.elements.each(function(element,i) {
			element.setStyle(prop,max - (element[offset] - element.getStyle(hw).toInt()));
		});
		return max;
	}
});