/*! -------------------------------------------------------------------- 
 * JQuery Plugin: "EqualHeights"
 * by:	Scott Jehl, Todd Parker, Maggie Costello Wachs (http://www.filamentgroup.com)
 *
 * Copyright (c) 2008 Filament Group
 * Licensed under GPL (http://www.opensource.org/licenses/gpl-license.php)
 *
 * Description: Compares the heights or widths of the top-level children of a provided element 
 		and sets their min-height to the tallest height (or width to widest width). Sets in em units 
 		by default if toEm() method is available.
 * Dependencies: jQuery library, toEm method	(article: 
		http://www.filamentgroup.com/lab/retaining_scalable_interfaces_with_pixel_to_em_conversion/)							  
 * Usage Example: $(element).equalHeights();
  		Optional: to set min-height in px, pass a true argument: $(element).equalHeights(true);
 * Version: 2.0, 08.01.2008
--------------------------------------------------------------------*/

$.fn.equalHeights = function(px) {
	var currentTallest = 0;
	$(this).each(function(){
		if ($(this).height() > currentTallest) { currentTallest = $(this).height(); }
	});
	if (!px){
		currentTallest = $(currentTallest).toEm({
			scope: $(this)
		});
	} //use ems unless px is specified
	// for ie6, set height since min-height isn't supported
	if ($.browser.msie && $.browser.version == 6.0) { $(this).animate({
		height: currentTallest
	}); }
	$(this).animate({
		minHeight: currentTallest
	}); 
	return this;
};