function equalHeight( group )
{
	var tallest = 0;

	group.each
	( 
		function() 
		{
			var thisHeight = $(this).height();

			tallest = thisHeight > tallest ? thisHeight : tallest;
		}
	);

	group.height( tallest );
}

$( document ).ready
(
 	function()
	{
		equalHeight( $( ".columns" ) );
	}
)