/*
	Kwicks for jQuery (version 1.5.1)
	Copyright (c) 2008 Jeremy Martin
	http://www.jeremymartin.name/projects.php?project=kwicks
	
	Licensed under the MIT license:
		http://www.opensource.org/licenses/mit-license.php

	Any and all use of this script must be accompanied by this copyright/license notice in its present form.
 */
( function($) {
	$.fn.kwicks = function(n) {
		var p = {
			isVertical :false,
			sticky :false,
			defaultKwick :0,
			event :'mouseover',
			spacing :0,
			duration :500
		};
		var o = $.extend(p, n);
		var q = (o.isVertical ? 'height' : 'width');
		var r = (o.isVertical ? 'top' : 'left');
		return this
				.each( function() {
					container = $(this);
					var k = container.children('li');
					var l = k.eq(0).css(q).replace(/px/, '');
					if (!o.max) {
						o.max = (l * k.size()) - (o.min * (k.size() - 1))
					} else {
						o.min = ((l * k.size()) - o.max) / (k.size() - 1)
					}
					if (o.isVertical) {
						container.css( {
							width :k.eq(0).css('width'),
							height :(l * k.size())
									+ (o.spacing * (k.size() - 1)) + 'px'
						})
					} else {
						container.css( {
							width :(l * k.size())
									+ (o.spacing * (k.size() - 1)) + 'px',
							height :k.eq(0).css('height')
						})
					}
					var m = [];
					for (i = 0; i < k.size(); i++) {
						m[i] = [];
						for (j = 1; j < k.size() - 1; j++) {
							if (i == j) {
								m[i][j] = o.isVertical ? j * o.min
										+ (j * o.spacing) : j * o.min
										+ (j * o.spacing)
							} else {
								m[i][j] = (j <= i ? (j * o.min) : (j - 1)
										* o.min + o.max)
										+ (j * o.spacing)
							}
						}
					}
					k
							.each( function(i) {
								var h = $(this);
								if (i === 0) {
									h.css(r, '0px')
								} else if (i == k.size() - 1) {
									h.css(o.isVertical ? 'bottom' : 'right',
											'0px')
								} else {
									if (o.sticky) {
										h.css(r, m[o.defaultKwick][i])
									} else {
										h.css(r, (i * l) + (i * o.spacing))
									}
								}
								if (o.sticky) {
									if (o.defaultKwick == i) {
										h.css(q, o.max + 'px');
										h.addClass('active')
									} else {
										h.css(q, o.min + 'px')
									}
								}
								h.css( {
									margin :0,
									position :'absolute'
								});
								h
										.bind(
												o.event,
												function() {
													var c = [];
													var d = [];
													k.stop().removeClass(
															'active');
													for (j = 0; j < k.size(); j++) {
														c[j] = k.eq(j).css(q)
																.replace(/px/,
																		'');
														d[j] = k.eq(j).css(r)
																.replace(/px/,
																		'')
													}
													var e = {};
													e[q] = o.max;
													var f = o.max - c[i];
													var g = c[i] / f;
													h
															.addClass('active')
															.animate(
																	e,
																	{
																		step : function(
																				a) {
																			var b = f != 0 ? a
																					/ f
																					- g
																					: 1;
																			k
																					.each( function(
																							j) {
																						if (j != i) {
																							k
																									.eq(
																											j)
																									.css(
																											q,
																											c[j]
																													- ((c[j] - o.min) * b)
																													+ 'px')
																						}
																						if (j > 0
																								&& j < k
																										.size() - 1) {
																							k
																									.eq(
																											j)
																									.css(
																											r,
																											d[j]
																													- ((d[j] - m[i][j]) * b)
																													+ 'px')
																						}
																					})
																		},
																		duration :o.duration,
																		easing :o.easing
																	})
												})
							});
					if (!o.sticky) {
						container
								.bind(
										"mouseleave",
										function() {
											var c = [];
											var d = [];
											k.removeClass('active').stop();
											for (i = 0; i < k.size(); i++) {
												c[i] = k.eq(i).css(q).replace(
														/px/, '');
												d[i] = k.eq(i).css(r).replace(
														/px/, '')
											}
											var e = {};
											e[q] = l;
											var f = l - c[0];
											k
													.eq(0)
													.animate(
															e,
															{
																step : function(
																		a) {
																	var b = f != 0 ? (a - c[0])
																			/ f
																			: 1;
																	for (i = 1; i < k
																			.size(); i++) {
																		k
																				.eq(
																						i)
																				.css(
																						q,
																						c[i]
																								- ((c[i] - l) * b)
																								+ 'px');
																		if (i < k
																				.size() - 1) {
																			k
																					.eq(
																							i)
																					.css(
																							r,
																							d[i]
																									- ((d[i] - ((i * l) + (i * o.spacing))) * b)
																									+ 'px')
																		}
																	}
																},
																duration :o.duration,
																easing :o.easing
															})
										})
					}
				})
	}
})(jQuery);