(function($) {
				$.fn.thumbnailSlider = function(options) {
					var opts = $.extend({}, $.fn.thumbnailSlider.defaults, options);
					return this.each(function() {
						var $this 				= $(this),
							o 					= $.meta ? $.extend({}, opts, $pxs_container.data()) : opts;
						
						var $ts_container		= $this.children('.ts_container'),
							$ts_thumbnails		= $ts_container.children('.ts_thumbnails'),
							$nav_elems			= $ts_container.children('li').not($ts_thumbnails),
							total_elems			= $nav_elems.length,
							$ts_preview_wrapper	= $ts_thumbnails.children('.ts_preview_wrapper'),
							$arrow				= $ts_thumbnails.children('span'),
							$ts_preview			= $ts_preview_wrapper.children('.ts_preview');
						
						/*
						calculate sizes for $ts_thumbnails:
						width 	-> width thumbnail + border (2*5)
						height 	-> height thumbnail + border + triangle height(6)
						top		-> -(height plus margin of 5)
						left	-> leftDot - 0.5*width + 0.5*widthNavDot 
							this will be set when hovering the nav,
							and the default value will correspond to the first nav dot	
						*/
						var w_ts_thumbnails	= o.thumb_width + 2*5,
							h_ts_thumbnails	= o.thumb_height + 2*5 + 6,
							t_ts_thumbnails	= -(h_ts_thumbnails + 5),
							$first_nav		= $nav_elems.eq(0),
							l_ts_thumbnails	= $first_nav.position().left - 0.5*w_ts_thumbnails + 0.5*$first_nav.width();
						
						$ts_thumbnails.css({
							width	: w_ts_thumbnails + 'px',
							height	: h_ts_thumbnails + 'px',
							top		: t_ts_thumbnails + 'px',
							left	: l_ts_thumbnails + 'px'
						});
						
						/*
						calculate the top and left for the arrow of the tooltip
						top		-> thumb height + border(2*5)
						left	-> (thumb width + border)/2 -width/2
						*/
						var t_arrow	= o.thumb_height + 2*5,
							l_arrow	= (o.thumb_width + 2*5) / 2 - $arrow.width() / 2;
						$arrow.css({
							left	: l_arrow + 'px',
							top		: t_arrow + 'px'
						});
						
						/*
						calculate the $ts_preview width -> thumb width times number of thumbs
						*/
						$ts_preview.css('width' , total_elems*o.thumb_width + 'px');
						
						/*
						set the $ts_preview_wrapper width and height -> thumb width / thumb height
						*/
						$ts_preview_wrapper.css({
							width	: o.thumb_width + 'px',
							height	: o.thumb_height + 'px'
						});
						
						//hover the nav elems
						$nav_elems.bind('mouseenter',function(){
							var $nav_elem	= $(this),
								idx			= $nav_elem.index();
								
							/*
							calculate the new left
							for $ts_thumbnails
							*/
							var new_left	= $nav_elem.position().left - 0.5*w_ts_thumbnails + 0.5*$nav_elem.width();
							
							$ts_thumbnails.stop(true)
										  .show()	
										  .animate({
											left	: new_left + 'px'
										  },o.speed,o.easing);				  
							
							/*
							animate the left of the $ts_preview to show the right thumb 
							*/
							$ts_preview.stop(true)
									   .animate({
											left	: -idx*o.thumb_width + 'px'
									   },o.speed,o.easing);
							
							//zoom in the thumb image if zoom is true
							if(o.zoom && o.zoomratio > 1){
								var new_width	= o.zoomratio * o.thumb_width,
									new_height	= o.zoomratio * o.thumb_height;
								
								//increase the $ts_preview width in order to fit the zoomed image
								var ts_preview_w	= $ts_preview.width();
								$ts_preview.css('width' , (ts_preview_w - o.thumb_width + new_width)  + 'px');
								
								$ts_preview.children().eq(idx).find('img').stop().animate({
									width		: new_width + 'px',
									height		: new_height + 'px'
								},o.zoomspeed);
							}		
							
						}).bind('mouseleave',function(){
							//if zoom set the width and height to defaults
							if(o.zoom && o.zoomratio > 1){
								var $nav_elem	= $(this),
									idx			= $nav_elem.index();
								$ts_preview.children().eq(idx).find('img').stop().css({
									width	: o.thumb_width + 'px',
									height	: o.thumb_height + 'px'	
								});	
							}
							
							$ts_thumbnails.stop(true)
										  .hide();
										  
						}).bind('click',function(){
							var $nav_elem	= $(this),
								idx			= $nav_elem.index();
							
							o.onClick(idx);
						});
						
					});
				};
				$.fn.thumbnailSlider.defaults = {
					speed		: 100,//speed of each slide animation
					easing		: 'jswing',//easing effect for the slide animation
					thumb_width	: 75,//your photos width
					thumb_height: 75,//your photos height
					zoom		: false,//zoom animation for the thumbs
					zoomratio	: 1.3,//multiplicator for zoom (must be > 1)
					zoomspeed	: 15000,//speed of zoom animation
					onClick		: function(){return false;}//click callback
				};
			})(jQuery);