chaser

$(function ($) {
//////////////////////////////////////////////////////////////////////////
////// START - CODE FOR LOADING THE TOP MENU CHASING BAR
//////////////////////////////////////////////////////////////////////////

	var doc = $(document), win = $(window), chaser, forch,
		forchBottom, visible;
	function shown() {
		visible = true;
	}
	function hidden() {
		visible = false;
	}
	chaser = $('#rt-header ul.menu').clone().hide().appendTo(document.body).wrap("<div class='chaser'></div>");
	forch = $('.forchaser').first();
	forchBottom = forch.height() + forch.offset().top;
	hidden();
	win.bind('scroll', function () {
		var top = doc.scrollTop();
		if (!visible && top > forchBottom) {
			chaser.slideDown(300, shown);
		} else if (visible && top < forchBottom) {
			chaser.slideUp(200, hidden);
		}
	});


});