/*
bxCarousel v1.0
Plugin developed by: Steven Wanderski
http://bxcarousel.com
http://stevenwanderski.com

Released under the GPL license:
http://www.gnu.org/licenses/gpl.html
*/
           
(
function($)
{
  $.fn.bxCarousel=function(options)
  {
    var defaults={
      
      
      auto_hover:true,
      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);