// JavaScript Document

$(document).ready(function() {
	var $nav_wrappper = $("#nav-wrapper"), $nav = $nav_wrappper.find("#nav");
	
	$(window).bind("scroll resize", function() {
		var offset = $nav_wrappper.offset(), scrollTop = $(window).scrollTop();
		
		if ($nav_wrappper.hasClass("floating")) {
			if ((scrollTop > offset.top)) {
				$nav
					.addClass("floating")
					.css("position", "fixed")
					.css("top", "0");
        	}
        	else {
          		$nav
          			.css("position", "absolute")
          			.removeClass("floating").css("top", 0);
        	}
        }
    });
});