/*
 * Name:jquery.mb.scrollable
 * Version: 1.5.7
 */

(function($jqCustom) {
  $jqCustom.mbScrollable= {
    plugin:"mb.scrollable",
    author:"MB",
    version:"1.5.7",
    defaults:{
      dir:"horizontal",
      width:950,
      elementsInPage:4,
      elementMargin:2,
      shadow:false,
      height:"auto",
      controls:"#controls",
      slideTimer:600,
      autoscroll:false,
      scrollTimer:6000,

      nextCallback:function(){},
      prevCallback:function(){}
    },

    buildMbScrollable: function(options){
      return this.each (function (){
        this.options = {};
        $jqCustom.extend (this.options, $jqCustom.mbScrollable.defaults);
        $jqCustom.extend (this.options, options);

        var mbScrollable=this;
        mbScrollable.isVertical= mbScrollable.options.dir!="horizontal";
        var controls=$jqCustom(mbScrollable.options.controls);
        mbScrollable.idx=1;
        mbScrollable.scrollTo=0;
        mbScrollable.elements= $jqCustom(mbScrollable).children();
        mbScrollable.elements.addClass("scrollEl");
        controls.hide();

        $jqCustom(mbScrollable).children().each(function(){$jqCustom(this).wrap("<div class='SECont'></div>");});
        if (mbScrollable.options.shadow){
          $jqCustom(mbScrollable.elements).css("-moz-box-shadow",mbScrollable.options.shadow);
          $jqCustom(mbScrollable.elements).css("-webkit-box-shadow",mbScrollable.options.shadow);
        }
        mbScrollable.elements= $jqCustom(mbScrollable).children();
        var eip= mbScrollable.options.elementsInPage<this.elements.size()?mbScrollable.options.elementsInPage:mbScrollable.elements.size();
        if(mbScrollable.isVertical){
          mbScrollable.singleElDim= (mbScrollable.options.height/eip)-mbScrollable.options.elementMargin;
          $jqCustom(mbScrollable.elements).css({marginBottom:mbScrollable.options.elementMargin, height:mbScrollable.singleElDim, width:mbScrollable.options.width});
        }else{
          mbScrollable.singleElDim= (mbScrollable.options.width/eip)-mbScrollable.options.elementMargin;
          $jqCustom(mbScrollable.elements).css({marginRight:mbScrollable.options.elementMargin, width:mbScrollable.singleElDim, display:"inline-block",float:"left" }); /*float:"left"*/
        }
        this.elementsDim= (mbScrollable.singleElDim*mbScrollable.elements.size())+(mbScrollable.options.elementMargin*mbScrollable.elements.size());
        mbScrollable.totalPages= Math.ceil(mbScrollable.elements.size()/mbScrollable.options.elementsInPage);

        var adj= $jqCustom.browser.safari && mbScrollable.options.elementsInPage>2?mbScrollable.options.elementMargin/(mbScrollable.options.elementsInPage):0;

        if(mbScrollable.isVertical)
          $jqCustom(mbScrollable).css({overflow:"hidden", height:mbScrollable.options.height-adj,width:mbScrollable.options.width, paddingRight:5, position:"relative"});
        else
          $jqCustom(mbScrollable).css({overflow:"hidden", width:mbScrollable.options.width-adj,height:mbScrollable.options.height,paddingBottom:5, position:"relative"});

        var mbscrollableStrip=$jqCustom("<div class='scrollableStrip'/>").css({width:mbScrollable.elementsDim, position:"relative"});
        $jqCustom(mbScrollable.elements).wrapAll(mbscrollableStrip);
        mbScrollable.mbscrollableStrip=$jqCustom(mbScrollable).find(".scrollableStrip");
        $jqCustom(mbScrollable.elements).hover(
                function(){
                  /*console.debug(mbScrollable.autoScrollActive);*/
                  if(mbScrollable.autoScrollActive)
                    $jqCustom(mbScrollable).mbStopAutoscroll();
                },
                function(){
                  if(mbScrollable.autoScrollActive)
                    $jqCustom(mbScrollable).mbAutoscroll();
                });
        if(mbScrollable.options.autoscroll && mbScrollable.elements.size()>mbScrollable.options.elementsInPage){
          mbScrollable.autoScrollActive=true;
          $jqCustom(mbScrollable).mbAutoscroll();
        }
        $jqCustom(mbScrollable).mbPageIndex();
        $jqCustom(mbScrollable).mbActivateControls();
        setTimeout(function(){
          $jqCustom(".scrollEl").fadeIn();
        },1000);
        $jqCustom(mbScrollable).mbManageControls();
      });
    },

    mbNextPage: function(auto){
      var mbScrollable= $jqCustom(this).get(0);
      if( mbScrollable.totalPages == 1 )
    	  return;
      if (!auto) mbScrollable.autoScrollActive=false;

      if(mbScrollable.idx==mbScrollable.totalPages){
        $jqCustom(mbScrollable).mbManageControls();
        return;
      }
      if (mbScrollable.options.nextCallback) mbScrollable.options.nextCallback();
      var adj=  $jqCustom.browser.safari && mbScrollable.options.elementsInPage>2?mbScrollable.options.elementMargin/mbScrollable.options.elementsInPage:0;
      mbScrollable.scrollTo-=((mbScrollable.singleElDim+mbScrollable.options.elementMargin)*mbScrollable.options.elementsInPage)-adj;
      if (mbScrollable.isVertical){
        if ((mbScrollable.scrollTo<-mbScrollable.elementsDim+mbScrollable.options.height))
          mbScrollable.scrollTo=-mbScrollable.elementsDim+mbScrollable.options.height;
        $jqCustom(mbScrollable.mbscrollableStrip).animate({marginTop:mbScrollable.scrollTo},mbScrollable.options.slideTimer);
      }else{
        if ((mbScrollable.scrollTo<-mbScrollable.elementsDim+mbScrollable.options.width))
          mbScrollable.scrollTo=-mbScrollable.elementsDim+mbScrollable.options.width;
        $jqCustom(mbScrollable.mbscrollableStrip).animate({marginLeft:mbScrollable.scrollTo},mbScrollable.options.slideTimer);
      }
      mbScrollable.idx+=1;
      $jqCustom(this).mbManageControls();
    },

    mbPrevPage: function(auto){
      var mbScrollable= $jqCustom(this).get(0);
      if( mbScrollable.totalPages == 1 )
    	  return;
      if (!auto) mbScrollable.autoScrollActive=false;

      if(mbScrollable.idx==1){
        $jqCustom(mbScrollable).mbManageControls();
        return;
      }

      if (mbScrollable.options.prevCallback) mbScrollable.options.prevCallback();

      var adj=  $jqCustom.browser.safari && mbScrollable.options.elementsInPage>2?mbScrollable.options.elementMargin/mbScrollable.options.elementsInPage:0;
      mbScrollable.scrollTo+=((mbScrollable.singleElDim+mbScrollable.options.elementMargin)*mbScrollable.options.elementsInPage)+adj;

      if (mbScrollable.isVertical){
        if (mbScrollable.scrollTo>=0) mbScrollable.scrollTo=0;
        $jqCustom(mbScrollable.mbscrollableStrip).animate({marginTop:mbScrollable.scrollTo},mbScrollable.options.slideTimer);
      }else{
        if (mbScrollable.scrollTo>=0) mbScrollable.scrollTo=0;
        $jqCustom(mbScrollable.mbscrollableStrip).animate({marginLeft:mbScrollable.scrollTo},mbScrollable.options.slideTimer);
      }
      mbScrollable.idx-=1;
      $jqCustom(this).mbManageControls();
    },

    mbFirstPage: function(){
      var mbScrollable= $jqCustom(this).get(0);
      if( mbScrollable.totalPages == 1 )
    	  return;
      mbScrollable.autoScrollActive=false;

      mbScrollable.scrollTo=0;
      if (mbScrollable.isVertical){
        $jqCustom(mbScrollable.mbscrollableStrip).animate({marginTop:mbScrollable.scrollTo},mbScrollable.options.slideTimer);
      }else{
        $jqCustom(mbScrollable.mbscrollableStrip).animate({marginLeft:mbScrollable.scrollTo},mbScrollable.options.slideTimer);
      }
      mbScrollable.idx=1;
      $jqCustom(this).mbManageControls();
      $jqCustom(mbScrollable).mbStopAutoscroll();
    },

    mbLastPage: function(){
      var mbScrollable= $jqCustom(this).get(0);
      if( mbScrollable.totalPages == 1 )
    	  return;
      mbScrollable.autoScrollActive=false;

      if (mbScrollable.isVertical){
        mbScrollable.scrollTo=-mbScrollable.elementsDim+mbScrollable.options.height;
        $jqCustom(mbScrollable.mbscrollableStrip).animate({marginTop:mbScrollable.scrollTo},mbScrollable.options.slideTimer);
      }else{
        mbScrollable.scrollTo=-mbScrollable.elementsDim+mbScrollable.options.width;
        $jqCustom(mbScrollable.mbscrollableStrip).animate({marginLeft:mbScrollable.scrollTo},mbScrollable.options.slideTimer);
      }
      mbScrollable.idx=mbScrollable.totalPages;
      $jqCustom(mbScrollable).mbManageControls();
      $jqCustom(mbScrollable).mbStopAutoscroll();
    },

    mbPageIndex: function(){
      var mbScrollable= $jqCustom(this).get(0);
      
      if( mbScrollable.totalPages == 1 )
    	  return;
      
      var controls=$jqCustom(mbScrollable.options.controls);
      var pages=controls.find(".pageIndex");
      if (pages){
        function getPage(i){
          mbScrollable.scrollTo=-((mbScrollable.singleElDim+mbScrollable.options.elementMargin)*(mbScrollable.options.elementsInPage*(i-1)));
          if(mbScrollable.isVertical){
            if (mbScrollable.scrollTo<-mbScrollable.elementsDim+mbScrollable.options.height)
              mbScrollable.scrollTo=-mbScrollable.elementsDim+mbScrollable.options.height;
            $jqCustom(mbScrollable.mbscrollableStrip).animate({marginTop:mbScrollable.scrollTo},mbScrollable.options.slideTimer);
          }else{
            if (mbScrollable.scrollTo<-mbScrollable.elementsDim+mbScrollable.options.width)
              mbScrollable.scrollTo=-mbScrollable.elementsDim+mbScrollable.options.width;
            $jqCustom(mbScrollable.mbscrollableStrip).animate({marginLeft:mbScrollable.scrollTo},mbScrollable.options.slideTimer);
          }
          mbScrollable.idx = Math.floor(i);
          $jqCustom(mbScrollable).mbManageControls();
        }
        var n=0;
        for(var i=1;i<=mbScrollable.totalPages;i++){
          n++;
          var p=$jqCustom("<span class='page'> "+n+" <\/span>").bind("click",function(){
            getPage($jqCustom(this).html());
            $jqCustom(mbScrollable).mbStopAutoscroll();
            mbScrollable.autoScrollActive=false;
          });
          pages.append(p);
        };
      }
    },
    mbAutoscroll:function(){
      var dir= "next";
      var mbScrollable= $jqCustom(this).get(0);
      mbScrollable.autoScrollActive=true;

      if(mbScrollable.autoscroll) return;
      var timer=mbScrollable.options.scrollTimer+mbScrollable.options.slideTimer;
      mbScrollable.autoscroll = true;
      mbScrollable.auto = setInterval(function(){
        dir= mbScrollable.idx==1?"next":mbScrollable.idx==mbScrollable.totalPages?"prev":dir;
        if(dir=="next")
          $jqCustom(mbScrollable).mbNextPage(true);
        else
          $jqCustom(mbScrollable).mbPrevPage(true);
      },timer);
      $jqCustom(mbScrollable).mbManageControls();
    },

    mbStopAutoscroll: function(){
      var mbScrollable= $jqCustom(this).get(0);
      mbScrollable.autoscroll = false;
      clearInterval(mbScrollable.auto);
      $jqCustom(mbScrollable).mbManageControls();

    },

    mbActivateControls: function(){
      var mbScrollable=$jqCustom(this).get(0);
      var controls=$jqCustom(mbScrollable.options.controls);
      controls.find(".first").bind("click",function(){$jqCustom(mbScrollable).mbFirstPage();});
      controls.find(".prev").bind("click",function(){$jqCustom(mbScrollable).mbStopAutoscroll();$jqCustom(mbScrollable).mbPrevPage();});
      controls.find(".next").bind("click",function(){$jqCustom(mbScrollable).mbStopAutoscroll();$jqCustom(mbScrollable).mbNextPage();});
      controls.find(".last").bind("click",function(){$jqCustom(mbScrollable).mbLastPage();});
      controls.find(".start").bind("click",function(){$jqCustom(mbScrollable).mbAutoscroll();});
      controls.find(".stop").bind("click",function(){$jqCustom(mbScrollable).mbStopAutoscroll();mbScrollable.autoScrollActive=false;});
    },

    mbManageControls: function(){
      var mbScrollable=$jqCustom(this).get(0);
      
      var controls=$jqCustom(mbScrollable.options.controls);
      controls.fadeIn();
      /*
      if (mbScrollable.elements.size()<=mbScrollable.options.elementsInPage){
        controls.hide();
      }else{
        controls.fadeIn();
      }
      */
      
      if (mbScrollable.idx==mbScrollable.totalPages){
        controls.find(".last").addClass("disabled");
        controls.find(".next").addClass("disabled");
      }else{
        controls.find(".last").removeClass("disabled");
        controls.find(".next").removeClass("disabled");
      }

      if (mbScrollable.idx==1){
        controls.find(".first").addClass("disabled");
        controls.find(".prev").addClass("disabled");
      }else{
        controls.find(".first").removeClass("disabled");
        controls.find(".prev").removeClass("disabled");
      }

      if (mbScrollable.autoscroll){
        controls.find(".start").addClass("sel");
        controls.find(".stop").removeClass("sel");
      }else{
        controls.find(".start").removeClass("sel");
        controls.find(".stop").addClass("sel");
      }
      controls.find(".page").removeClass("sel");
      controls.find(".page").eq(mbScrollable.idx-1).addClass("sel");
      controls.find(".idx").html(mbScrollable.idx+" / "+mbScrollable.totalPages);
    },

    goToPage: function(i,hasAnim) {
      var mbScrollable= $jqCustom(this).get(0);
      var anim= hasAnim?0:mbScrollable.options.slideTimer;
      if (i>mbScrollable.totalPages) i=mbScrollable.totalPages;
      mbScrollable.scrollTo=-((mbScrollable.singleElDim+mbScrollable.options.elementMargin)*(mbScrollable.options.elementsInPage*(i-1)));
      if(mbScrollable.isVertical){
        if (mbScrollable.scrollTo<-mbScrollable.elementsDim+mbScrollable.options.height)
          mbScrollable.scrollTo=-mbScrollable.elementsDim+mbScrollable.options.height;
        $jqCustom(mbScrollable.mbscrollableStrip).animate({marginTop:mbScrollable.scrollTo},anim);
      }else{
        if (mbScrollable.scrollTo<-mbScrollable.elementsDim+mbScrollable.options.width)
          mbScrollable.scrollTo=-mbScrollable.elementsDim+mbScrollable.options.width;
        $jqCustom(mbScrollable.mbscrollableStrip).animate({marginLeft:mbScrollable.scrollTo},anim);
      }
      mbScrollable.idx = Math.floor(i);
      $jqCustom(mbScrollable).mbManageControls();
      $jqCustom(mbScrollable).mbStopAutoscroll();
      mbScrollable.autoScrollActive=false;
    }
  };

  $jqCustom.fn.mbScrollable=$jqCustom.mbScrollable.buildMbScrollable;
  $jqCustom.fn.mbNextPage=$jqCustom.mbScrollable.mbNextPage;
  $jqCustom.fn.mbPrevPage=$jqCustom.mbScrollable.mbPrevPage;
  $jqCustom.fn.mbFirstPage=$jqCustom.mbScrollable.mbFirstPage;
  $jqCustom.fn.mbLastPage=$jqCustom.mbScrollable.mbLastPage;
  $jqCustom.fn.mbPageIndex=$jqCustom.mbScrollable.mbPageIndex;
  $jqCustom.fn.mbgotoPage=$jqCustom.mbScrollable.gotoPage;
  $jqCustom.fn.mbAutoscroll=$jqCustom.mbScrollable.mbAutoscroll;
  $jqCustom.fn.mbStopAutoscroll=$jqCustom.mbScrollable.mbStopAutoscroll;
  $jqCustom.fn.mbActivateControls=$jqCustom.mbScrollable.mbActivateControls;
  $jqCustom.fn.mbManageControls=$jqCustom.mbScrollable.mbManageControls;
  $jqCustom.fn.goToPage=$jqCustom.mbScrollable.goToPage;

/*$jqCustom.fn.mbAddElement=$jqCustom.mbScrollable.mbAddElement;*/

})(jQuery);