/*
   bxCarousel v1.0
   Plugin developed by: Steven Wanderski
   */
(function($){$.fn.bxCarousel=function(options){var defaults={move:1,display_num:4,speed:500,margin:0,auto:false,auto_interval:2000,auto_dir:'next',auto_hover:false,next_text:'next',next_image:'',prev_text:'prev',prev_image:'',controls:true};var options=$.extend(defaults,options);return this.each(function(){var $this=$(this);var li=$this.find('li');var first=0;var fe=0;var last=options.display_num-1;var le=options.display_num-1;var is_working=false;var j='';var clicked=false;li.css({'float':'left','listStyle':'none','marginRight':options.margin});var ow=li.outerWidth(true);wrap_width=(ow*options.display_num)-options.margin;var seg=ow*options.move;$this.wrap('<div class="bx_container"></div>').width(999999);if(options.controls){if(options.next_image!=''||options.prev_image!=''){var controls='<a href="" class="prev"><img src="'+options.prev_image+'"/></a><a href="" class="next"><img src="'+options.next_image+'"/></a>';}
else{var controls='<a href="" class="prev">'+options.prev_text+'</a><a href="" class="next">'+options.next_text+'</a>';}}
    $this.parent('.bx_container').wrap('<div class="bx_wrap"></div>').css({'position':'relative','width':wrap_width,'overflow':'hidden'}).before(controls);var w=li.slice(0,options.display_num).clone();var last_appended=(options.display_num+options.move)-1;$this.empty().append(w);get_p();get_a();$this.css({'position':'relative','left':-(seg)});$this.parent().siblings('.next').click(function(){slide_next();clearInterval(j);clicked=true;return false;});$this.parent().siblings('.prev').click(function(){slide_prev();clearInterval(j);clicked=true;return false;});if(options.auto){start_slide();if(options.auto_hover&&clicked!=true){$this.find('li').live('mouseenter',function(){if(!clicked){clearInterval(j);}});$this.find('li').live('mouseleave',function(){if(!clicked){start_slide();}});}}
    function start_slide(){if(options.auto_dir=='next'){j=setInterval(function(){slide_next()},options.auto_interval);}else{j=setInterval(function(){slide_prev()},options.auto_interval);}}
    function slide_next(){if(!is_working){is_working=true;set_pos('next');$this.animate({left:'-='+seg},options.speed,function(){$this.find('li').slice(0,options.move).remove();$this.css('left',-(seg));get_a();is_working=false;});}}
    function slide_prev(){if(!is_working){is_working=true;set_pos('prev');$this.animate({left:'+='+seg},options.speed,function(){$this.find('li').slice(-options.move).remove();$this.css('left',-(seg));get_p();is_working=false;});}}
    function get_a(){var str=new Array();var lix=li.clone();le=last;for(i=0;i<options.move;i++){le++
        if(lix[le]!=undefined){str[i]=$(lix[le]);}else{le=0;str[i]=$(lix[le]);}}
        $.each(str,function(index){$this.append(str[index][0]);});}
    function get_p(){var str=new Array();var lix=li.clone();fe=first;for(i=0;i<options.move;i++){fe--
        if(lix[fe]!=undefined){str[i]=$(lix[fe]);}else{fe=li.length-1;str[i]=$(lix[fe]);}}
        $.each(str,function(index){$this.prepend(str[index][0]);});}
    function set_pos(dir){if(dir=='next'){first+=options.move;if(first>=li.length){first=first%li.length;}
        last+=options.move;if(last>=li.length){last=last%li.length;}}else if(dir=='prev'){first-=options.move;if(first<0){first=li.length+first;}
        last-=options.move;if(last<0){last=li.length+last;}}}});}})(jQuery);

$(document).ready(function() {

    $('#example1').bxCarousel({
        display_num: 4,
        move: 1,
        prev_image: 'images/btn_prev.png',
        next_image: 'images/btn_next.png',
        margin: 0
    });
});

