var zhufengEffect={zfLinear:function(t,b,c,d){return c*t/d+b;},Quad:{easeIn:function(t,b,c,d){return c*(t/=d)*t+b;},easeOut:function(t,b,c,d){return-c*(t/=d)*(t-2)+b;},easeInOut:function(t,b,c,d){if((t/=d/2)<1)return c/2*t*t+b;return-c/2*((--t)*(t-2)-1)+b;}},Cubic:{easeIn:function(t,b,c,d){return c*(t/=d)*t*t+b;},easeOut:function(t,b,c,d){return c*((t=t/d-1)*t*t+1)+b;},easeInOut:function(t,b,c,d){if((t/=d/2)<1)return c/2*t*t*t+b;return c/2*((t-=2)*t*t+2)+b;}},Quart:{easeIn:function(t,b,c,d){return c*(t/=d)*t*t*t+b;},easeOut:function(t,b,c,d){return-c*((t=t/d-1)*t*t*t-1)+b;},easeInOut:function(t,b,c,d){if((t/=d/2)<1)return c/2*t*t*t*t+b;return-c/2*((t-=2)*t*t*t-2)+b;}},Quint:{easeIn:function(t,b,c,d){return c*(t/=d)*t*t*t*t+b;},easeOut:function(t,b,c,d){return c*((t=t/d-1)*t*t*t*t+1)+b;},easeInOut:function(t,b,c,d){if((t/=d/2)<1)return c/2*t*t*t*t*t+b;return c/2*((t-=2)*t*t*t*t+2)+b;}},Sine:{easeIn:function(t,b,c,d){return-c*Math.cos(t/d*(Math.PI/2))+c+b;},easeOut:function(t,b,c,d){return c*Math.sin(t/d*(Math.PI/2))+b;},easeInOut:function(t,b,c,d){return-c/2*(Math.cos(Math.PI*t/d)-1)+b;}},Expo:{easeIn:function(t,b,c,d){return(t==0)?b:c*Math.pow(2,10*(t/d-1))+b;},easeOut:function(t,b,c,d){return(t==d)?b+c:c*(-Math.pow(2,-10*t/d)+1)+b;},easeInOut:function(t,b,c,d){if(t==0)return b;if(t==d)return b+c;if((t/=d/2)<1)return c/2*Math.pow(2,10*(t-1))+b;return c/2*(-Math.pow(2,-10*--t)+2)+b;}},Circ:{easeIn:function(t,b,c,d){return-c*(Math.sqrt(1-(t/=d)*t)-1)+b;},easeOut:function(t,b,c,d){return c*Math.sqrt(1-(t=t/d-1)*t)+b;},easeInOut:function(t,b,c,d){if((t/=d/2)<1)return-c/2*(Math.sqrt(1-t*t)-1)+b;return c/2*(Math.sqrt(1-(t-=2)*t)+1)+b;}},Elastic:{easeIn:function(t,b,c,d,a,p){if(t==0)return b;if((t/=d)==1)return b+c;if(!p)p=d*.3;if(!a||a<Math.abs(c)){a=c;var s=p/4;}
else var s=p/(2*Math.PI)*Math.asin(c/a);return-(a*Math.pow(2,10*(t-=1))*Math.sin((t*d-s)*(2*Math.PI)/p))+b;},easeOut:function(t,b,c,d,a,p){if(t==0)return b;if((t/=d)==1)return b+c;if(!p)p=d*.3;if(!a||a<Math.abs(c)){a=c;var s=p/4;}
else var s=p/(2*Math.PI)*Math.asin(c/a);return(a*Math.pow(2,-10*t)*Math.sin((t*d-s)*(2*Math.PI)/p)+c+b);},easeInOut:function(t,b,c,d,a,p){if(t==0)return b;if((t/=d/2)==2)return b+c;if(!p)p=d*(.3*1.5);if(!a||a<Math.abs(c)){a=c;var s=p/4;}
else var s=p/(2*Math.PI)*Math.asin(c/a);if(t<1)return-.5*(a*Math.pow(2,10*(t-=1))*Math.sin((t*d-s)*(2*Math.PI)/p))+b;return a*Math.pow(2,-10*(t-=1))*Math.sin((t*d-s)*(2*Math.PI)/p)*.5+c+b;}},Back:{easeIn:function(t,b,c,d,s){if(s==undefined)s=1.70158;return c*(t/=d)*t*((s+1)*t-s)+b;},easeOut:function(t,b,c,d,s){if(s==undefined)s=1.70158;return c*((t=t/d-1)*t*((s+1)*t+s)+1)+b;},easeInOut:function(t,b,c,d,s){if(s==undefined)s=1.70158;if((t/=d/2)<1)return c/2*(t*t*(((s*=(1.525))+1)*t-s))+b;return c/2*((t-=2)*t*(((s*=(1.525))+1)*t+s)+2)+b;}},zfBounce:{easeIn:function(t,b,c,d){return c-zhufengEffect.zfBounce.easeOut(d-t,0,c,d)+b;},easeOut:function(t,b,c,d){if((t/=d)<(1/2.75)){return c*(7.5625*t*t)+b;}else if(t<(2/2.75)){return c*(7.5625*(t-=(1.5/2.75))*t+.75)+b;}else if(t<(2.5/2.75)){return c*(7.5625*(t-=(2.25/2.75))*t+.9375)+b;}else{return c*(7.5625*(t-=(2.625/2.75))*t+.984375)+b;}},easeInOut:function(t,b,c,d){if(t<d/2)return zhufengEffect.zfBounce.easeIn(t*2,0,c,d)*.5+b;else return zhufengEffect.zfBounce.easeOut(t*2-d,0,c,d)*.5+c*.5+b;}}}
function getCssTween(ele,attr){if(window.getComputedStyle){return parseFloat(getComputedStyle(ele,null)[attr]);}else{if(attr=="opacity"){var val=ele.currentStyle.filter;var reg=/alpha\(opacity=(\d+(\.\d+)?)\)/;if(reg.test(val)){return RegExp.$1/100;}else{return 1;}}else{return parseFloat(ele.currentStyle[attr]);}}}
function setCss(ele,attr,val){switch(attr){case"width":case"height":case"top":case"left":ele.style[attr]=val+"px";break;case"float":ele.style.cssFloat=val;ele.style.styleFloat=val;break;case"opacity":ele.style.opacity=val;ele.style.filter="alpha(opacity="+val*100+")";break;default:ele.style[attr]=val;}}
function animate(ele,oTarget,duration,effect,fnCallback){var fnEffect=zhufengEffect.Expo.easeOut;if(typeof effect=="number"){switch(effect){case 0:break;case 1:fnEffect=zhufengEffect.zfLinear;break;case 2:fnEffect=zhufengEffect.Back.easeOut;break;case 3:fnEffect=zhufengEffect.Elastic.easeOut;break;case 4:fnEffect=zhufengEffect.zfBounce.easeOut;}}else if(effect instanceof Array){if(effect.length==2)
fnEffect=zhufengEffect[effect[0]][effect[1]];else if(effect.length===1){}}else if(typeof effect=="function"){fnCallback=effect;}
clearInterval(ele.timer);ele.timer=null;var oBegin={}
var oChange={};var flag=0;for(var attr in oTarget){var begin=getCssTween(ele,attr);var change=oTarget[attr]-begin;if(change){oBegin[attr]=begin;oChange[attr]=change;flag++;}}
if(flag===0)return;var times=0;var interval=15;function step(){times+=interval;if(times<duration){for(var attr in oChange){var change=oChange[attr];var begin=oBegin[attr]
var val=fnEffect(times,begin,change,duration);setCss(ele,attr,val);}}else{for(var attr in oTarget){var target=oTarget[attr];setCss(ele,attr,target);}
window.clearInterval(ele.timer);ele.timer=null;if(typeof fnCallback=="function")fnCallback.call(ele);}}
ele.timer=window.setInterval(step,interval);};var bannerBtnLis=$(".bannerBtn span");var sliderA=$(".banner a");var bannerBox=$(".bannerBox");var step=0;var n=sliderA.length;var timer=null;var flag=0;var leftBtn=bannerBox.find(".leftBtn");var rightBtn=bannerBox.find(".rightBtn");$('.bannerBtn').css('margin-left',-$('.bannerBtn').width()/2);$(".bannerBtn span:first").addClass("bannerIco-current");$(".banner a:first").addClass("opacity");for(var i=0;i<bannerBtnLis.length;i++){bannerBtnLis[i].onclick=(function(i){return function(){window.clearTimeout(timer);timer=null;step=i;current(step);timer=window.setTimeout(automove,3000)}})(i)}
function automove(){window.clearTimeout(timer);timer=null;step++;if(step>=n){step=0;}
current(step);if(!flag){timer=window.setTimeout(automove,3000);}}
function current(step){$(".bannerBtn span").removeClass("bannerIco-current");$(".banner a").removeClass("opacity")
$(".bannerBtn span").eq(step).addClass("bannerIco-current");$(".banner a").eq(step).addClass("opacity")}
$(bannerBox[0]).mouseenter(function(){flag=1;window.clearTimeout(timer);timer=null;})
$(bannerBox[0]).mouseleave(function(){flag=0;current(step);timer=window.setTimeout(automove,1000);})
if(!flag){timer=window.setTimeout(automove,3000);}
$(leftBtn[0]).click(function(){if(step<bannerBtnLis.length&&step>0){step=step-1;}
else{step=bannerBtnLis.length-1;}
current(step);})
$(rightBtn[0]).click(function(){if(step<bannerBtnLis.length-1&&step>=0){step=step+1;}
else{step=0;}
current(step);})