(function($){$.fn.jCarouselLite=function(o){
  o=$.extend({
	btnPrev:null,btnNext:null,btnGo:null,mouseWheel:false,auto:null,speed:200,easing:null,vertical:false,circular:true,start:0,
	scroll:1,beforeStart:null,afterEnd:null},o||{}
  );
  return this.each(function(){
	var b=false,animCss=o.vertical?"top":"left",sizeCss=o.vertical?"height":"width";
	var c=$(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;
	  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);
