(function($){$.fn.changeimg=function(options){var defalutes={'boxwidth':1000,'changelen':1,'changespend':200,'autochange':true,'changehandle':true,'autotime':5000};
var ops=$.extend(defalutes,options),$that=$(this);var _html='<a href="javascript:;" class="change-bnt prev-bnt">&nbsp;</a><a href="javascript:;" class="change-bnt next-bnt">&nbsp;</a>';
var $changebox=$that.find(".focus-img-con"),$changeul=$changebox.find("ul"),$changeli=$changebox.find("li"),$changeprev='',$changenext='',_len=$changeli.length,_timer='';
$changebox.width(ops.boxwidth);
if(ops.changehandle){$that.append(_html);
$changeprev=$that.find(".prev-bnt");
$changenext=$that.find(".next-bnt");
};
var owidth=$changeli.eq(0).outerwidth(),bwidth=owidth*_len,_handle=true;
$changeul.width(bwidth);
$changeprev.on("click",function(){if(_handle){_handle=false;clearinterval(_timer);$changeul.css('right','auto');for(var i=0;i<ops.changelen;i++){var _li=$changeul.find("li").eq(i).clone(true);$changeul.append(_li);};$changeul.stop().animate({'left':-owidth*ops.changelen},300,function(){for(var i=0;i<ops.changelen;i++){$changeul.find("li").eq(0).remove();};$changeul.css('left',0);_handle=true;});autoplay();};});var _len1=_len-1;$changenext.on("click",function(){$changeul.css('right',0);if(_handle){_handle=false;clearinterval(_timer);$changeul.css('left','auto');for(var i=0;i<ops.changelen;i++){var $_li=$changeul.find("li").eq(_len1).clone(true);$changeul.prepend($_li);};$changeul.stop().animate({'right':-owidth*(_len-ops.changelen)},300,function(){for(var i=0;i<ops.changelen;i++){$changeul.find("li").eq(_len).remove();};_handle=true;});autoplay();};});function autoplay(){if(ops.autochange){_timer=setinterval(function(){$changeprev.click();},ops.autotime)}}
autoplay();return this;}})(jquery);