$.fn.equalHeights = function(selector) {
	$(this).each(function(){
		var currentTallest = 0;
		if (!selector) {
			$(this).children().each(function(i){
				if ($(this).height() > currentTallest) { currentTallest = $(this).height(); }
			});
			// for ie6, set height since min-height isn't supported
			if ($.browser.msie && $.browser.version == 6.0) { $(this).children().css({'height': currentTallest}); }
			$(this).children().css({'min-height': currentTallest});
		} else {
			$(selector, this).each(function(i){
				if ($(this).height() > currentTallest) { currentTallest = $(this).height(); }
			});
			// for ie6, set height since min-height isn't supported
			if ($.browser.msie && $.browser.version == 6.0) { $(selector, this).css({'height': currentTallest}); }
			$(selector, this).css({'min-height': currentTallest});
		}
	});
	return this;
};