$(document).ready( function() {
	$(".persoon").mouseover(function(){
		$(this).children(".infoPersoon").css("background-image", "url(/images/infoPersoonBg-red.png)");
		$(this).children(".arrow").addClass("arrowActive");
	});
	$(".persoon").mouseout(function(){
		$(this).children(".infoPersoon").css("background-image", "url(/images/infoPersoonBg-black.png)");
		$(this).children(".arrow").removeClass("arrowActive");
	});
});