(function($){$.fn.jSlide=function(options){options=$.extend({direction:'vertical',speed:600,easing:'swing',loop:false,pos:0},options);var $that=this.eq(0);var $film=$that.children('ul');var $orig=this;var curpos;var blocks=Math.ceil($film.children('li').length/options.items)-1;curpos=options.pos;if(options.pos>blocks){curpos=blocks;};if(options.pos<0){curpos=0;};var swidth=(options.direction=='vertical')?options.width:options.width*(blocks+1);var sheight=(options.direction=='vertical')?options.height*(blocks+1):options.height;$that.css({overflow:'hidden',position:'relative',width:options.width,height:options.height});$film.css({position:'absolute',listStyle:'none',margin:0,padding:0,outline:'none',top:0,left:0,width:swidth,height:sheight});$film.children('li').css({float:'left'});if(options.loop===false&&curpos===0){$(options.back).css({visibility:'hidden'});};if(options.loop===false&&curpos===blocks){$(options.next).css({visibility:'hidden'});};if(options.direction=="vertical"){$film.css({top:-curpos*options.height});}else{$film.css({left:-curpos*options.height});};var anim=function(){if(options.direction=="vertical"){$film.stop(true).animate({top:-curpos*options.height},options.speed,options.easing,function(){if(options.stop){options.stop();}});}else{$film.stop(true).animate({left:-curpos*options.width},options.speed,options.easing,function(){if(options.stop){options.stop();}});};};var backfn=function(source){if(options.slideshow&&source!=="show"){clearInterval(slideshow.timer);};if(curpos>0){curpos--;}else{if(options.loop===true){curpos=blocks;}else{curpos=0;};};if(options.change){options.change({max:blocks,current:curpos});};if(options.slider){$(options.slider).slider('value',curpos);};anim();return false;};var nextfn=function(source){if(options.slideshow&&source!=="show"){clearInterval(slideshow.timer);};if(curpos<blocks){curpos++;}else{if(options.loop===true){curpos=0;}else{curpos=blocks;};};if(options.change){options.change({max:blocks,current:curpos});};anim();return false;};if(options.back){$(options.back).bind('click',backfn);};if(options.next){$(options.next).bind('click',nextfn);};if(options.slideshow){var so=options.slideshow;var slideshow={};slideshow.time=0;slideshow.init=function(){slideshow.timer=setInterval(function(){slideshow.time+=so.delay;if(so.direction=="back"){backfn('show');}else{nextfn('show');};if(slideshow.time>=so.duration&&so.duration!=0){clearInterval(slideshow.timer);};},so.delay);};slideshow.init();};this.api={};if(options.slideshow){this.api.slideshow={};this.api.slideshow.stop=function(){clearInterval(slideshow.timer);};};this.api.get=function(){return{max:blocks,current:curpos};};this.api.go=function(pos){if(pos>curpos){curpos=pos-1;nextfn();}else if(pos<curpos){curpos=pos+1;backfn();};};this.api.back=backfn;this.api.next=nextfn;this.api.change=function(opts){options=$.extend(options,opts);};return this;};})(jQuery);