(function($){var defaluts={large_elem:".large_elem",small_elem:".small_elem",left_btn:".left_btn",right_btn:".right_btn",state:"on",speed:"normal",vis:4,autoplay:true,autotime:3000};$.fn.extend({"thumbnailimg":function(options){var opts=$.extend({},defaluts,options);return this.each(function(){var $this=$(this);var t=0;$(opts.large_elem).find("ul li").eq(0).show();$(opts.small_elem).find("ul li").eq(0).addclass(opts.state);var l=$(opts.small_elem).find("ul li").length;var l_mean;if(l<opts.vis){l_mean=0}else{l_mean=((parseint(l/opts.vis)-1)*opts.vis)+(l%opts.vis)}var w=$(opts.small_elem).find("ul li").outerwidth(true);$(opts.small_elem).find("ul").css("width",l*w+"px");$(opts.small_elem).find("ul li").click(function(){$(this).addclass(opts.state).siblings().removeclass(opts.state);t=$(this).index();img($(this).index())});$(opts.left_btn).click(function(){var i;$(opts.small_elem).find("ul li").each(function(index){if($(this).hasclass(opts.state)){i=index}});i--;if(i<0){i=l-1}$(opts.small_elem).find("ul li").eq(i).addclass(opts.state).siblings().removeclass(opts.state);var ml=i*w;if(ml<=l_mean*w){$(opts.small_elem).find("ul").stop().animate({marginleft:-ml+"px"},opts.speed)}else{$(opts.small_elem).find("ul").stop().animate({marginleft:-(l_mean*w)+"px"},opts.speed)}t=i;img(i)});$(opts.right_btn).click(function(){var i;$(opts.small_elem).find("ul li").each(function(index){if($(this).hasclass(opts.state)){i=index}});i++;if(i>l-1){i=0}$(opts.small_elem).find("ul li").eq(i).addclass(opts.state).siblings().removeclass(opts.state);var ml=i*w;if(ml<=l_mean*w){$(opts.small_elem).find("ul").stop().animate({marginleft:-ml+"px"},opts.speed)}else{$(opts.small_elem).find("ul").stop().animate({marginleft:-(l_mean*w)+"px"},opts.speed)}t=i;img(i)});function img(i){$(opts.large_elem).find("ul li").eq(i).fadein().siblings().hide();$(opts.small_elem).find("ul li").eq(i).addclass(opts.state).siblings().removeclass(opts.state);var ml=i*w;if(ml<=l_mean*w){$(opts.small_elem).find("ul").stop().animate({marginleft:-ml+"px"},opts.speed)}else{$(opts.small_elem).find("ul").stop().animate({marginleft:-(l_mean*w)+"px"},opts.speed)}}if(opts.autoplay){var timing=setinterval(function(){t++;if(t>l-1){t=0}img(t)},opts.autotime);$this.hover(function(){clearinterval(timing)},function(){timing=setinterval(function(){t++;if(t>l-1){t=0}img(t)},opts.autotime)})}})}})})(jquery);