Change div background at a certain scroll point

gistfile1.txt

$(function() {
	var fixadent = $(".logo-nav"); //the div you want 
	h = $(window).height(); //calculate height of window or whatever element you want it to scroll past

	$(window).scroll(function() {
		if($(this).scrollTop() > h ) { 
				$(fixadent).css('background', '#5fc1d8'); 
			}
		else {
			$(fixadent).css('background', '#222'); 
		}
	})
});