(function($)
{
   $.fn.jCarouselLite = function(o)
   {
      o = $.extend(
      {
         btnPrev : null, btnNext : null, btnGo : null, mouseWheel : false, auto : null, speed : 2000, easing : null, vertical : false, circular : true, visible : 3, start : 0, scroll : 7, beforeStart : null, afterEnd : null
      }
      , o ||
      {
      }
      );
      return this.each(function()
      {
         var b = false, animCss = o.vertical ? "top" : "left", sizeCss = o.vertical ? "height" : "width";
         var c = $(this), ul = $("ul", c), tLi = $("li", ul), tl = tLi.size(), v = o.visible;
         if(o.circular)
         {
            ul.prepend(tLi.slice(tl - v - 1 + 1).clone()).append(tLi.slice(0, v).clone());
            o.start += v
         }
         var f = $("li", ul), itemLength = f.size(), curr = o.start;
         c.css("visibility", "visible");
         f.css(
         {
            overflow : "hidden", float : o.vertical ? "none" : "left"
         }
         );
         ul.css(
         {
            margin : "0", padding : "0", position : "relative", "list-style-type" : "none", "z-index" : "1"
         }
         );
         c.css(
         {
            overflow : "hidden", position : "relative", "z-index" : "2", left : "0px"
         }
         );
         var g = o.vertical ? height(f) : width(f);
         var h = g * itemLength;
         var j = g * v;
         f.css(
         {
            width : f.width(), height : f.height()
         }
         );
         ul.css(sizeCss, h + "px").css(animCss, - (curr * g));
         c.css(sizeCss, j + "px");
         if(o.btnPrev)$(o.btnPrev).click(function()
         {
            return go(curr - o.scroll)
         }
         );
         if(o.btnNext)$(o.btnNext).click(function()
         {
            return go(curr + o.scroll)
         }
         );
         if(o.btnGo)$.each(o.btnGo, function(i, a)
         {
            $(a).click(function()
            {
               return go(o.circular ? o.visible + i : i)
            }
            )
         }
         );
         if(o.mouseWheel && c.mousewheel)c.mousewheel(function(e, d)
         {
            return d > 0 ? go(curr - o.scroll) : go(curr + o.scroll)
         }
         );
         if(o.auto)setInterval(function()
         {
            go(curr + o.scroll)
         }
         , o.auto + o.speed);
         function vis()
         {
            return f.slice(curr).slice(0, v)
         }
         ;
         function go(a)
         {
            
            if( ! b)
            {
                
               if(o.beforeStart)o.beforeStart.call(this, vis()); if(o.circular)
               {
                  if(a <= o.start - v - 1)
                  {
                     ul.css(animCss, - ((itemLength - (v * 2)) * g) + "px");
                     curr = a == o.start - v - 1 ? itemLength - (v * 2) - 1 : itemLength - (v * 2) - o.scroll
                  }
                  else if(a >= itemLength - v + 1)
                  {
                     ul.css(animCss, - ((v) * g) + "px");
                     curr = a == itemLength - v + 1 ? v + 1 : v + o.scroll
                  }
                  else curr = a
               }
               else
               {
                  //if(a < 0 || a > itemLength - v)return;
                  if(a < 0 || a > itemLength)return;
                  else curr = a
               }
               b = true;
               ul.animate(animCss == "left" ?
               {
                  left : - (curr * g)
               }
               :
               {
                  top : - (curr * g)
               }
               , o.speed, o.easing, function()
               {
                  if(o.afterEnd)o.afterEnd.call(this, vis());
                  b = false
               }
               );
               if( ! o.circular)
               {
                  $(o.btnPrev + "," + o.btnNext).removeClass("disabled");
                  $((curr - o.scroll < 0 && o.btnPrev) || (curr + o.scroll > itemLength - v && o.btnNext) || []).addClass("disabled")
               }
            }
            
            return false
         }
      }
      )
   }
   ;
   function css(a, b)
   {
      return parseInt($.css(a[0], b)) || 0
   }
   ;
   function width(a)
   {
      return a[0].offsetWidth + css(a, 'marginLeft') + css(a, 'marginRight')
   }
   ;
   function height(a)
   {
      return a[0].offsetHeight + css(a, 'marginTop') + css(a, 'marginBottom')
   }
}
)(jQuery);