/* jquery.scrollToFixed * code copyright 2010 David Vedder / changeMode design */
(function(a) {
	a.ScrollToFixed = function(c, f) {
		var i = this;
		i.$el = a(c);
		i.el = c;
		i.$el.data("ScrollToFixed", i);
		var b = false;
		var u = i.$el;
		var t = 0;
		var l = 0;
		var g = -1;
		var d = -1;
		var n = null;
		function o() {
			h();
			d = -1;
			t = u.offset().top;
			l = u.offset().left;
			if (g == -1) {
				orginalOffsetLeft = l
			}
			b = true;
			if (i.options.bottom != -1) {
				q()
			}
		}
		function k() {
			return u.css("position") == "fixed"
		}
		function r() {
			return u.css("position") == "absolute"
		}
		function e() {
			return !(k() || r())
		}
		function q() {
			if (!k()) {
				n.css({
					display : u.css("display"),
					width : u.outerWidth(true),
					height : u.outerHeight(true),
					"float" : u.css("float")
				});
				u.css({
					width : u.width(),
					position : "fixed",
					top : i.options.bottom == -1 ? m() : "",
					bottom : i.options.bottom == -1 ? "" : i.options.bottom
				})
			}
		}
		function h() {
			if (!e()) {
				d = -1;
				n.css("display", "none");
				u.css({
					width : "",
					position : "",
					left : "",
					top : ""
				})
			}
		}
		function p(v) {
			if (v != d) {
				u.css("left", l - v);
				d = v
			}
		}
		function m() {
			return i.options.marginTop
		}
		function s() {
			if (!b) {
				o()
			}
			var v = a(window).scrollLeft();
			var w = a(window).scrollTop();
			if (i.options.bottom == -1) {
				if (i.options.limit > 0 && w >= i.options.limit - m()) {
					if (!r()) {
						j();
						u.trigger("preAbsolute");
						u.css({
							width : u.width(),
							position : "absolute",
							top : i.options.limit,
							left : l
						});
						u.trigger("unfixed")
					}
				} else {
					if (w >= t - m()) {
						if (!k()) {
							j();
							u.trigger("preFixed");
							q();
							d = -1;
							u.trigger("fixed")
						}
						p(v)
					} else {
						if (k()) {
							j();
							u.trigger("preUnfixed");
							h();
							u.trigger("unfixed")
						}
					}
				}
			} else {
				if (i.options.limit > 0) {
					if (w + a(window).height() - u.outerHeight(true) >= i.options.limit
							- m()) {
						if (k()) {
							j();
							u.trigger("preUnfixed");
							h();
							u.trigger("unfixed")
						}
					} else {
						if (!k()) {
							j();
							u.trigger("preFixed");
							q()
						}
						p(v);
						u.trigger("fixed")
					}
				} else {
					p(v)
				}
			}
		}
		function j() {
			var v = u.css("position");
			if (v == "absolute") {
				u.trigger("postAbsolute")
			} else {
				if (v == "fixed") {
					u.trigger("postFixed")
				} else {
					u.trigger("postUnfixed")
				}
			}
		}
		i.init = function() {
			i.options = a.extend({}, a.ScrollToFixed.defaultOptions, f);
			if (navigator.platform == "iPad" || navigator.platform == "iPhone"
					|| navigator.platform == "iPod") {
				return
			}
			i.$el.css("z-index", i.options.zIndex);
			n = a("<div/>");
			i.$el.after(n);
			a(window).bind("resize", function(v) {
				o();
				s()
			});
			a(window).bind("scroll", function(v) {
				s()
			});
			if (i.options.preFixed) {
				u.bind("preFixed", i.options.preFixed)
			}
			if (i.options.postFixed) {
				u.bind("postFixed", i.options.postFixed)
			}
			if (i.options.preUnfixed) {
				u.bind("preUnfixed", i.options.preUnfixed)
			}
			if (i.options.postUnfixed) {
				u.bind("postUnfixed", i.options.postUnfixed)
			}
			if (i.options.preAbsolute) {
				u.bind("preAbsolute", i.options.preAbsolute)
			}
			if (i.options.postAbsolute) {
				u.bind("postAbsolute", i.options.postAbsolute)
			}
			if (i.options.fixed) {
				u.bind("fixed", i.options.fixed)
			}
			if (i.options.unfixed) {
				u.bind("unfixed", i.options.unfixed)
			}
			if (i.options.bottom != -1) {
				if (!k()) {
					j();
					u.trigger("preFixed");
					q()
				}
			}
		};
		i.init()
	};
	a.ScrollToFixed.defaultOptions = {
		marginTop : 0,
		limit : 0,
		bottom : -1,
		zIndex : 1000
	};
	a.fn.scrollToFixed = function(b) {
		return this.each(function() {
			(new a.ScrollToFixed(this, b))
		})
	}
})($jqPm);