autoheight div w/ratio

gistfile1

function aspectRatioRespond(){
		elements = jQuery('[data-ratio]');
		console.log(elements);
		elements.each(function(){
			container = jQuery(this);
			autoHeight = container.data('ratio');
			ratio = autoHeight.match(/(\d+)\:(\d+)/);
			ratio = ratio[1] / ratio[2];
			console.log(ratio);
			container.height( container.width() / ratio );
		});
	}
	$(window).on('load resize orientationchange',aspectRatioRespond);