/**
 * jCarouselLite - jQuery plugin to navigate images/any content in a carousel style widget.
 * requires jQuery v1.2 or above
 *
 * http://gmarwaha.com/jquery/jcarousellite/
 *
 * Copyright (c) 2007 Ganeshji Marwaha (gmarwaha.com)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 * Version: 1.0.1
 * Note: Requires jquery 1.2 or above from version 1.0.1
 *
 * author Ganeshji Marwaha/ganeshread@gmail.com
 */

(function($) {                                          // Compliant with jquery.noConflict()
$.fn.jCarouselLite = function(o) {
    o = $.extend({
        btnPrev: null,
        btnNext: null,
        btnGo: null,
        mouseWheel: false,
        auto: null,

        speed: 100,
        easing: null,

        vertical: false,
        circular: true,
        visible: 3,
        start: 5,
        scroll: 1,

        beforeStart: null,
        afterEnd: null
    }, o || {});

    return this.each(function() {                           // Returns the element collection. Chainable.

        var running = false, animCss=o.vertical?"top":"left", sizeCss=o.vertical?"height":"width";
        var div = $(this), ul = $("ul", div), tLi = $("li", ul), tl = tLi.size(), v = o.visible; tSpan = $("span", ul);var t = 11;
       
        if(o.circular) {
            ul.prepend(tLi.slice(tl-v-1+1).clone())
              .append(tLi.slice(0,v).clone());
               o.start += v;
               
        }
      
        var li = $("li", ul), itemLength = li.size(), curr = o.vertical?2:1; counter = 2;
        
        div.css("visibility", "visible");

		li.css({float: o.vertical ? "none" : "left"});
		div.css({overflow: "hidden", left: "0px"});
		//li.css({overflow: "hidden", float: o.vertical ? "none" : "left"});
		//ul.css({margin: "0", padding: "0", position: "relative", "list-style-type": "none", "z-index": "1"});
		//div.css({overflow: "hidden", position: "relative", "z-index": "2", left: "0px"});
var ua = $.browser;
        var liSize = o.vertical ? ua.msie && ua.version == "7.0"? height(li)-10: height(li)+8 : width(li);   // Full li size(incl margin)-Used for animation
        var ulSize = liSize * itemLength;                   // size of full ul(total length, not just for the visible items)
        var divSize = liSize * v;
        
                                  // size of entire div(total length for just the visible items)

        li.css({width: li.width(), height: li.height()});
        if(!o.vertical)
        {
            ul.css(sizeCss, ulSize+"px").css(animCss, -(1*liSize));
        }else{
            divSize = 509; 
             ul.css(sizeCss, ulSize+"px").css(animCss, -(1.65*liSize)+"px");
            }

        div.css(sizeCss, divSize+"px");                     // Width of the DIV. length of visible images

        if(o.btnPrev)
            $(o.btnPrev).click(function() {
                   if(o.vertical)
                   { 
                     counter = counter - 1;
                    }
                return go(curr-o.scroll);
            });

        if(o.btnNext)
            $(o.btnNext).click(function() {
            
             if(o.vertical)
             { 
                counter = counter + 1;
                }
                return go(curr+o.scroll);
            });

        if(o.btnGo)
            $.each(o.btnGo, function(i, val) {
                $(val).click(function() {
                    return go(o.circular ? o.visible+i : i);
                });
            });

        if(o.mouseWheel && div.mousewheel)
            div.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 li.slice(curr).slice(0,v);
        };

        function go(to) { 
            if(!running) {

                if(o.beforeStart)
                    o.beforeStart.call(this, vis());

                if(o.circular) {            // If circular we are in first or last, then goto the other end
                    if(to<=o.start-v+1) {          // If first, then goto last
                         
                        ul.css(animCss, -((itemLength-(3))*liSize)+"px");
                        // If "scroll" > 1, then the "to" might not be equal to the condition; it can be lesser depending on the number of elements.
                        curr = to==o.start-v-1 ? itemLength-(v*2)-1 : itemLength-(v*1)-o.scroll;
                        if(o.vertical)curr -=1;
                        
                    } else if(to>=itemLength-v+1) { // If last, then goto first
                        ul.css(animCss, -( (v) * liSize ) + "px" );
                        // If "scroll" > 1, then the "to" might not be equal to the condition; it can be greater depending on the number of elements.
                        curr = to==itemLength-v+1 ? v+1 : v+o.scroll;
                        
                    } else curr = to;
                } else {                    // If non-circular and to points to first or last, we just return.
                    if(to<0 || to>itemLength-v) return;
                    else curr = to;
                }                           // If neither overrides it, the curr will still be "to" and we can proceed.

                running = true;
                
               if(o.vertical)
               {  
                    t = t-2
                    c = $('#slider span').size() + 1;
                  
                   if(counter > c)
                   {
                    counter = 2  ;
                   }
                   else if(counter < 2){
                    counter = c  ;
                   }
                 
//                  if(counter == 2)
//                    {counter = 2}
//                   else if (counter < 2) 
//                     counter = 7 ;
                
                $('#tabs li:eq('+(counter)+') a').trigger('click');
				$("li", ul).each(function(index){
					$(this).removeClass("activeSlide");
					})
				 $($("li", ul)[curr]).addClass("activeSlide");
                
                }
//((itemLength-curr)*(12-curr))+ ((curr * 10 )+20) + (((itemLength - curr -2))==0?curr:0)
// + ((itemLength - curr -2)*20)+4 working
 
                var d = ua.msie && ua.version == "7.0"?4+(curr-4):0;
				
                ul.animate(
               
                    animCss == "left" ? { left: -(curr*liSize) } : { top: -(curr*liSize) + ((itemLength-curr-(tl-5))*(13)+(2*(curr-1))+d)  } , o.speed, o.easing
                    ,
                    function() {
                   
                        if(o.afterEnd)
                            o.afterEnd.call(this, vis());
                        running = false;
                    }
                );
                // Disable buttons when the carousel reaches the last/first, and enable when not
                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(el, prop) {
if(el.length > 0)
    return parseInt($.css(el[0], prop)) || 0;
};
function width(el) {
if(el.length > 0)
    return  el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
};
function height(el) {
if(el.length > 0)
{ 
    var t = el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
    
    return t;
    }
    else
    return el.offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
    
};

})(jQuery);