/*
bxslider v2.0
plugin developed by: steven wanderski
http://bxslider.com
http://stevenwanderski.com

released under the gpl license:
http://www.gnu.org/licenses/gpl.html
*/


(function($) {
	$.fn.bxslider = function(options) {
		var defaults = {
			alignment: 'horizontal',
			controls: true,
			speed: 500,
			pager: true,
			margin: 0,
			next_text: 'next',
			next_image: '',
			prev_text: 'prev',
			prev_image: '',
			auto: false,
			pause: 3500,
			auto_direction: 'next',
			auto_hover: true,
			auto_controls: false,
			ticker: false,
			ticker_controls: false,
			ticker_direction: 'next',
			ticker_hover: true,
			stop_text: 'stop',
			start_text: 'start',
			wrapper_class: 'bxslider_wrap'
		};
		var o = $.extend(defaults, options);
		return this.each(function() {
			var $this = $(this);
			var $kids = $this.children();
			var l = $this.children().length;
			var first = $this.children(':first').clone();
			var last = $this.children(':last').clone();
			var w = 0,
				h = 0,
				current_temp = 0,
				pos = 0,
				d = 0;
			var is_working = false,
				playing = true,
				tick_play = true;
			var current = 1;
			var ease = 'swing',
				side = '',
				t = '';
			var ani = {};
			$this.append(first).prepend(last);
			$this.wrap('<div class="bxslider_container"></div>');
			$this.parent().wrap('<div class="' + o.wrapper_class + '"></div>');
			if (o.alignment == 'horizontal') {
				$this.children().css({
					'float': 'left',
					'liststyle': 'none',
					'marginright': o.margin
				});
				w = first.outerwidth(true);
				$this.css({
					'width': '99999px',
					'position': 'relative',
					'left': -w
				});
				$this.parent().css({
					'position': 'relative',
					'overflow': 'hidden',
					'width': w - o.margin
				});
			} else if (o.alignment == 'vertical') {
				$kids.each(function() {
					if ($(this).height() > h) {
						h = $(this).height();
					}
				});
				w = first.outerwidth();
				$this.children().css({
					'height': h,
					'liststyle': 'none',
					'marginbottom': o.margin
				});
				$this.css({
					'height': '99999px',
					'width': w,
					'position': 'relative',
					'top': -(h + o.margin)
				});
				$this.parent().css({
					'position': 'relative',
					'overflow': 'hidden',
					'height': h
				})
			}
			if (o.pager && !o.ticker) {
				$this.parent().after('<div class="bx_pager"></div>');
				var $a;
				$kids.each(function(index) {
					$a = $('<a href="#">' + (index + 1) + '</a>');
					$this.parent().siblings('.bx_pager').append($a);
					$a.click(function() {
						is_working = false;
						tick_play = false;
						$this.stop();
						move_slide(index + 1);
						current = index + 1;
						if (o.auto) {
							clearinterval(t);
							$this.parent().siblings('.auto_controls').find('a').html(o.start_text);
							playing = false;
						} else if (o.ticker) {
							$this.parent().siblings('.ticker_controls').find('a').html(o.start_text);
							playing = false;
						}
						return false;
					});
				});
				set_active(1);
			}
			if (o.controls && !o.ticker) {
				if (o.next_image != '' || o.prev_image != '') {
					$this.parent().after('<a class="prev" href="#"><img src="' + o.prev_image + '" /></a><a class="next" href="#"><img src="' + o.next_image + '" /></a>');
				} else {
					$this.parent().after('<a class="prev" href="#">' + o.prev_text + '</a><a class="next" href="#">' + o.next_text + '</a>');
				}
				$this.parent().siblings('.next').click(function() {
					if (!is_working) {
						move_slide(++current);
					}
					if (o.auto) {
						clearinterval(t);
						$this.parent().siblings('.auto_controls').find('a').html(o.start_text);
						playing = false;
					}
					return false;
				});
				$this.parent().siblings('.prev').click(function() {
					if (!is_working) {
						move_slide(--current);
					}
					if (o.auto) {
						clearinterval(t);
						$this.parent().siblings('.auto_controls').find('a').html(o.start_text);
						playing = false;
					}
					return false;
				});
			}
			if (o.auto && !o.ticker) {
				t = setinterval(function() {
					if (o.auto_direction == 'next') {
						move_slide(++current);
					} else {
						move_slide(--current);
					}
				}, o.pause);
				if (o.auto_hover) {
					$this.hover(function() {
						clearinterval(t);
					}, function() {
						if (playing) {
							t = setinterval(function() {
								if (o.auto_direction == 'next') {
									move_slide(++current);
								} else {
									move_slide(--current);
								}
							}, o.pause);
						}
					});
				}
				if (o.auto_controls) {
					$this.parent().after('<div class="auto_controls"><a class="auto_link" href="#">' + o.stop_text + '</a></div>');
					$this.parent().siblings('.auto_controls').find('a').click(function() {
						if (playing) {
							clearinterval(t);
							$(this).html(o.start_text);
							playing = false;
						} else {
							t = setinterval(function() {
								if (o.auto_direction == 'next') {
									move_slide(++current);
								} else {
									move_slide(--current);
								}
							}, o.pause);
							$(this).html(o.stop_text);
							playing = true;
						}
						return false;
					});
				}
			}
			if (o.ticker) {
				var tick_play = true;
				tick_slide();
				$this.hover(function() {
					$this.stop();
				}, function() {
					if (tick_play) {
						tick_slide();
					}
				});
				if (o.ticker_controls) {
					$this.parent().after('<div class="ticker_controls"><a class="ticker_link" href="#">' + o.stop_text + '</a></div>');
					$this.parent().siblings('.ticker_controls').find('a').click(function() {
						if (tick_play) {
							$this.stop();
							$(this).html(o.start_text);
							tick_play = false;
						} else {
							is_working = false;
							$(this).html(o.stop_text)
							tick_slide();
							tick_play = true;
						}
						return false;
					});
				}
			}

			function tick_slide() {
				if (o.ticker_direction == 'next' && o.alignment == 'horizontal') {
					$this.animate({
						left: '-=5px'
					}, o.speed / 5, 'linear', function() {
						if (parseint($this.css('left')) <= -((l + 1) * w)) {
							$this.css('left', -w);
						}
						tick_slide();
					});
				} else if (o.ticker_direction == 'prev' && o.alignment == 'horizontal') {
					$this.animate({
						left: '+=5px'
					}, o.speed / 5, 'linear', function() {
						if (parseint($this.css('left')) >= -(w)) {
							$this.css('left', -((l + 1) * w));
						}
						tick_slide();
					});
				} else if (o.ticker_direction == 'next' && o.alignment == 'vertical') {
					$this.animate({
						top: '-=5px'
					}, o.speed / 5, 'linear', function() {
						if (parseint($this.css('top')) <= -((l + 1) * (h + o.margin))) {
							$this.css('top', -(h + o.margin));
						}
						tick_slide();
					});
				} else if (o.ticker_direction == 'prev' && o.alignment == 'vertical') {
					$this.animate({
						top: '+=4px'
					}, o.speed / 5, 'linear', function() {
						if (parseint($this.css('top')) > -(h + o.margin)) {
							$this.css('top', -((l + 1) * (h + o.margin - 1)));
						}
						tick_slide();
					});
				}
			}

			function move_slide(num) {
				if (o.ticker) {
					ease = 'linear';
				}
				if (!is_working) {
					if (o.alignment == 'horizontal') {
						d = w;
						side = 'left';
					} else if (o.alignment == 'vertical') {
						d = h + o.margin;
						side = 'top';
					}
					pos = num * d;
					ani[side] = -pos;
					is_working = true;
					$this.animate(ani, o.speed, ease, function() {
						is_working = false;
						if (current > l) {
							$this.css(side, -d);
							current = 1;
						} else if (current < 1) {
							$this.css(side, -(d * l));
							current = l;
						}
						set_active(current);
					});
				}
			}

			function set_active(num) {
				if (o.pager) {
					$('.bx_pager a').removeclass('active').eq(num - 1).addclass('active');
				}
			}
		});
	};
})(jquery);