/*! Copyright (c) 2011 Piotr Rochala (http://rocha.la)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 *
 * Version: 1.0.6
 *
 */
(function(d) {
	jQuery.fn.extend({
		slimScroll: function(m) {
			var a = d.extend({
				wheelStep: 20,
				width: "auto",
				height: "250px",
				size: "7px",
				color: "#000",
				position: "right",
				distance: "1px",
				start: "top",
				opacity: 0.4,
				alwaysVisible: !1,
				disableFadeOut: !1,
				railVisible: !1,
				railColor: "#333",
				railOpacity: "0.2",
				railClass: "slimScrollRail",
				barClass: "slimScrollBar",
				wrapperClass: "slimScrollDiv",
				allowPageScroll: !1,
				scroll: 0,
				touchScrollStep: 200
			}, m);
			this.each(function() {
				function f(h, d, f) {
					var g = h,
						e = b.outerHeight() - c.outerHeight();
					d && (g = parseInt(c.css("top")) +
						h * parseInt(a.wheelStep) / 100 * c.outerHeight(), g = Math.min(Math
							.max(g, 0), e), c.css({
							top: g + "px"
						}));
					j = parseInt(c.css("top")) / (b.outerHeight() - c.outerHeight());
					g = j * (b[0].scrollHeight - b.outerHeight());
					f && (g = h, h = g / b[0].scrollHeight * b.outerHeight(), h = Math.min(Math
						.max(h, 0), e), c.css({
						top: h + "px"
					}));
					b.scrollTop(g);
					q();
					l()
				}

				function r() {
					s = Math.max(b.outerHeight() / b[0].scrollHeight * b.outerHeight(), A);
					c.css({
						height: s + "px"
					})
				}

				function q() {
					r();
					clearTimeout(w);
					j == ~~j && (n = a.allowPageScroll, x != j && b.trigger("slimscroll",
						0 == ~~j ? "top" : "bottom"));
					x = j;
					s >= b.outerHeight() ? n = !0 : (c.stop(!0, !0).fadeIn("fast"), a
						.railVisible && e.stop(!0, !0).fadeIn("fast"))
				}

				function l() {
					a.alwaysVisible || (w = setTimeout(function() {
						if ((!a.disableFadeOut || !p) && !t && !u) c.fadeOut(
							"slow"), e.fadeOut("slow")
					}, 1E3))
				}
				var p, t, u, w, y, s, j, x, A = 30,
					n = !1,
					b = d(this);
				if (b.parent().hasClass("slimScrollDiv")) {
					var k = b.scrollTop(),
						c = b.parent().find(".slimScrollBar"),
						e = b.parent().find(".slimScrollRail");
					r();
					m && ("scrollTo" in m ? k = parseInt(a.scrollTo) : "scrollBy" in m && (k +=
							parseInt(a.scrollBy)),
						f(k, !1, !0))
				} else {
					a.height = "auto" == a.height ? b.parent().innerHeight() : a.height;
					k = d("<div></div>").addClass(a.wrapperClass).css({
						position: "relative",
						overflow: "hidden",
						width: a.width,
						height: a.height
					});
					b.css({
						overflow: "hidden",
						width: a.width,
						height: a.height
					});
					var e = d("<div></div>").addClass(a.railClass).css({
							width: a.size,
							height: "100%",
							position: "absolute",
							top: 0,
							display: a.alwaysVisible && a.railVisible ? "block" : "none",
							"border-radius": a.size,
							background: a.railColor,
							opacity: a.railOpacity,
							zIndex: 90
						}),
						c = d("<div></div>").addClass(a.barClass).css({
							background: a.color,
							width: a.size,
							position: "absolute",
							top: 0,
							opacity: a.opacity,
							display: a.alwaysVisible ? "block" : "none",
							"border-radius": a.size,
							BorderRadius: a.size,
							MozBorderRadius: a.size,
							WebkitBorderRadius: a.size,
							zIndex: 99
						}),
						z = "right" == a.position ? {
							right: a.distance
						} : {
							left: a.distance
						};
					e.css(z);
					c.css(z);
					b.wrap(k);
					b.parent().append(c);
					b.parent().append(e);
					c.draggable({
						axis: "y",
						containment: "parent",
						start: function() {
							u = !0
						},
						stop: function() {
							u = !1;
							l()
						},
						drag: function() {
							f(0, d(this).position().top, !1)
						}
					});
					e.hover(function() {
						q()
					}, function() {
						l()
					});
					c.hover(function() {
						t = !0
					}, function() {
						t = !1
					});
					b.hover(function() {
						p = !0;
						q();
						l()
					}, function() {
						p = !1;
						l()
					});
					b.bind("touchstart", function(a) {
						a.originalEvent.touches.length && (y = a.originalEvent.touches[
							0].pageY)
					});
					b.bind("touchmove", function(b) {
						b.originalEvent.preventDefault();
						b.originalEvent.touches.length && f((y - b.originalEvent
							.touches[0].pageY) / a.touchScrollStep, !0)
					});
					var v = function(a) {
						if (p) {
							a = a || window.event;
							var b = 0;
							a.wheelDelta && (b = -a.wheelDelta / 120);
							a.detail && (b = a.detail / 3);
							f(b, !0);
							a.preventDefault && !n &&
								a.preventDefault();
							n || (a.returnValue = !1)
						}
					};
					(function() {
						window.addEventListener ? (this.addEventListener("DOMMouseScroll",
								v, !1), this.addEventListener("mousewheel", v, !1)) :
							document.attachEvent("onmousewheel", v)
					})();
					r();
					"bottom" == a.start ? (c.css({
						top: b.outerHeight() - c.outerHeight()
					}), f(0, !0)) : "object" == typeof a.start && (f(d(a.start).position()
						.top, null, !0), a.alwaysVisible || c.hide())
				}
			});
			return this
		}
	});
	jQuery.fn.extend({
		slimscroll: jQuery.fn.slimScroll
	})
})(jQuery);