$.fn.equalise = function() {
	var largest = 0;
	
	$(this).height('auto');
	
	$(this).each( function() {
		largest = ($(this).innerHeight() > largest)?$(this).innerHeight():largest;
	});
	$(this).each( function() {
		var padding = parseInt($(this).css('padding-top')) + parseInt($(this).css('padding-bottom'));
		
		$(this).height((largest - padding));
	});
}