//
//轻量级jquery焦点图
//版权 酷车中国 www.kuchechina.com
//作者 逐月 zhuyue.cnblogs.com
//演示 http://www.kuchechina.com/
//调用方法
//$("slider").slider();
//$("slider").slider({width:300,height:250,txtHeight:25});
//调用参数
//{
//width:300,--宽 默认宽度300
//height:250,--总高 默认高度 250
//txtHeight:25--文件链接高 默认高度25
//}

jQuery.fn.slider=function(settings){settings=jQuery.extend({width:300,height:250,txtHeight:25},settings);var css={dl:{height:settings.height-settings.txtHeight,width:settings.width,padding:0,margin:0,position:"relative",overflow:"hidden"},dd:{position:"absolute",width:"100%","list-style":"none",top:"0px",left:"0px",padding:0,margin:0,overflow:"hidden"},dt:{position:"absolute",width:"100%","list-style":"none",right:"0px",bottom:"0px",padding:0,margin:0,overflow:"hidden"},span:{"text-align":"center","border-left":"#ffffff 1px solid",width:"24px",display:"block",font:"10px Arial, Helvetica, sans-serif",background:" #000000","float":"right",height:"100%",color:"#ffffff",cursor:"pointer"},cur:{background:"#ce0609",color:"#ffffff",filter:"Alpha(opacity=100)",opacity:"1.0"},normal:{filter:"Alpha(opacity=50)",background:"#000000",color:"#ffffff",opacity:"0.5"},a:{width:"100%",display:"block",height:"100%",color:"#ffffff"},div:{"text-align":"center",width:settings.width,height:settings.txtHeight,"vertical-align":"middle","line-height":settings.txtHeight+"px",overflow:"hidden"}};var s=this;var fs=1;var pics=s.children("dl").find("dd");s.children("dl").css(css.dl);pics.css(css.dd);var nav=s.children("dl").append("<dt></dt>").find("dt");nav.css(css.dt);var sLink=s.append("<div></div>").find("div");var navSite=pics.size();pics.eq(fs-1).show().siblings("dd").hide();sLink.css(css.div);setTxt(fs);for(var i=navSite;i>0;i--){if(i==fs){nav.append("<span class='cur'><a>"+i+"</a></span>")}else{nav.append("<span class='normal'><a>"+i+"</a></span>")}};nav.children("span").css(css.span);nav.children("span.cur").css(css.cur);nav.children("span.normal").css(css.normal);nav.children("span").find("a").css(css.a);var myTime=setInterval(function(){fs++;if(fs>navSite){fs=1}show(fs)},3000);function show(i){pics.eq(i-1).stop(true,true).fadeIn(300).siblings("dd").fadeOut(300);nav.children("span").eq(navSite-i).addClass("cur").removeClass("normal").siblings("span").removeClass("cur").addClass("normal");nav.children("span.cur").css(css.cur);nav.children("span.normal").css(css.normal);setTxt(i)};nav.children("span").mousedown(function(){fs=navSite-nav.find("span").index(this);show(fs)});function setTxt(i){var fsA=pics.eq(i-1).find("a");sLink.empty().append("<a href='"+fsA.attr("href")+"' title='"+fsA.attr("title")+"' target='_blank'>"+fsA.attr("title")+"</a>")}};