(function($){$.fn.navbarscroll=function(options){var _defaults={className:"cur",clickScrollTime:300,duibiScreenWidth:0.4,scrollerWidth:3,defaultSelect:0,fingerClick:0,endClickScroll:function(thisObj){}};var _opt=$.extend(_defaults,options);this.each(function(){var _wrapper=$(this);var _win=$(window);var _win_width=_win.width(),_wrapper_width=_wrapper.width(),_wrapper_off_left=_wrapper.offset().left;var _wrapper_off_right=_win_width-_wrapper_off_left-_wrapper_width;var _obj_scroller=_wrapper.children(".scroller");var _obj_ul=_obj_scroller.children("ul");var _obj_li=_obj_ul.children("li");var _scroller_w=0;_obj_li.css({"margin-left":"0","margin-right":"0"});for(var i=0;i<_obj_li.length;i++){_scroller_w+=_obj_li[i].offsetWidth}_obj_scroller.width(_scroller_w+_opt.scrollerWidth);var myScroll=new IScroll("#"+_wrapper.attr("id"),{eventPassthrough:true,scrollX:true,scrollY:false,preventDefault:false});_init(_obj_li.eq(_opt.defaultSelect));_obj_li.click(function(){_init($(this))});_wrapper[0].addEventListener("touchmove",function(e){e.preventDefault()},false);function _init(thiObj){var $this_obj=thiObj;var duibi=_opt.duibiScreenWidth*_win_width/10,this_index=$this_obj.index(),this_off_left=$this_obj.offset().left,this_pos_left=$this_obj.position().left,this_width=$this_obj.width(),this_prev_width=$this_obj.prev("li").width(),this_next_width=$this_obj.next("li").width();var this_off_right=_win_width-this_off_left-this_width;if(_scroller_w+2>_wrapper_width){if(_opt.fingerClick==1){if(this_index==1){myScroll.scrollTo(-this_pos_left+this_prev_width,0,_opt.clickScrollTime)}else{if(this_index==0){myScroll.scrollTo(-this_pos_left,0,_opt.clickScrollTime)}else{if(this_index==_obj_li.length-2){myScroll.scrollBy(this_off_right-_wrapper_off_right-this_width,0,_opt.clickScrollTime)}else{if(this_index==_obj_li.length-1){myScroll.scrollBy(this_off_right-_wrapper_off_right,0,_opt.clickScrollTime)}else{if(this_off_left-_wrapper_off_left-(this_width*_opt.fingerClick)<duibi){myScroll.scrollTo(-this_pos_left+this_prev_width+(this_width*_opt.fingerClick),0,_opt.clickScrollTime)}else{if(this_off_right-_wrapper_off_right-(this_width*_opt.fingerClick)<duibi){myScroll.scrollBy(this_off_right-this_next_width-_wrapper_off_right-(this_width*_opt.fingerClick),0,_opt.clickScrollTime)}}}}}}}else{if(this_index==1){myScroll.scrollTo(-this_pos_left+this_prev_width,0,_opt.clickScrollTime)}else{if(this_index==_obj_li.length-1){if(this_off_right-_wrapper_off_right>1||this_off_right-_wrapper_off_right<-1){myScroll.scrollBy(this_off_right-_wrapper_off_right,0,_opt.clickScrollTime)}}else{if(this_off_left-_wrapper_off_left<duibi){myScroll.scrollTo(-this_pos_left+this_prev_width,0,_opt.clickScrollTime)}else{if(this_off_right-_wrapper_off_right<duibi){myScroll.scrollBy(this_off_right-this_next_width-_wrapper_off_right,0,_opt.clickScrollTime)}}}}}}$this_obj.addClass(_opt.className).siblings("li").removeClass(_opt.className);_opt.endClickScroll.call(this,$this_obj)}})}})(jQuery);