Responsive Background Image

	//When monitor is vertical (portrait mode)
	var $img = $('.column:first').find('img');
	//console.log('img:' + $img.height());
	//console.log('w:' + w_h);
	if($img.height() <= w_h){
		$('.column').find('img').css({
			'width': 'auto', 
			'height': w_h + 'px'
		});
	}else{
		$('.column').find('img').css({
			'width': '100%', 
			'height': 'auto'
		});
	}