$(function() {

	var $this = $(window),
		menu = $(".global"); 
		
	$($this).scroll(function() {
		
		var windowScroll = $(document).scrollTop();
				
		$(menu)
			.css({
				"position" : "fixed",
				"top" : 0 + "px"
			});


		if ( windowScroll < 11 ) {
			$(menu)
				.css({
					"position" : "fixed",
					"top" : 12 + "px"
				});	
		}
	});
});