jquery get css background image url

$('.block_4,.block_5').each(function(){
	var img=$(this).find('.wrap').css('background-image');
	img=img.replace('url(','').replace(')','').replace(/\"/gi,"");
	$(this).find('.wrap').css('background-image','');
	console.log(img);
	$('<div class="photo"><img src="'+img+'" alt=""/></div>').insertAfter($(this).find('.title'));
});