/**
 * 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
 *
 * @cat Plugins/Image Gallery
 * @author Ganeshji Marwaha/ganeshread@gmail.com
 */
var UA = (navigator.userAgent.indexOf('Netscape',0) != -1) ? 'ns' : 'other';
jQuery.noConflict();
var j$ = jQuery;

if(UA != 'ns'){
(function(j$) {                                          // Compliant with jquery.noConflict()
j$.fn.jCarouselLite = function(o) {
    o = j$.extend({
        btnPrev: null,
        btnNext: null,
        btnGo: null,
        mouseWheel: false,
        auto: 3000,

        speed: 1500,
        easing: null,

        vertical: false,
        circular: true,
        visible: 2,
        start: 0,
        scroll: 1,
        page: 1,

        beforeStart: null,
        afterEnd: null
    }, o || {});
		
		//　リスト高さの最大値		
		lh = j$('.dvditem li').get();
		lhl = j$('.dvditem li').length;
		dvdheight = 1;
		for(i=0;i<lhl;i++){
			a = new Array();
			a[i] = j$(lh[i]).height();
			dvdheight = Math.max(a[i],dvdheight);
		}
		
	
    return this.each(function() {                           // Returns the element collection. Chainable.

        var running = false, animCss=o.vertical?"top":"left", sizeCss=o.vertical?"height":"width";
        var div = j$(this), ul = j$("ul", div), tLi = j$("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 li = j$("li", ul), itemLength = li.size(), curr = o.start;
        div.css("visibility", "visible");

        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 liSize = o.vertical ? height(li) : 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: dvdheight});
//        li.css({width: li.width()});
        ul.css(sizeCss, ulSize+"px").css(animCss, -(curr*liSize));

        div.css(sizeCss, divSize+"px");                     // Width of the DIV. length of visible images
		
        if(o.btnPrev)
            j$(o.btnPrev).click(function() {
				return go(curr+o.scroll);
            });

        if(o.btnNext)
            j$(o.btnNext).click(function() {
				return go(curr-o.scroll);
            });

        if(o.btnGo)
            j$.each(o.btnGo, function(i, val) {
                j$(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-(v*2))*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*2)-o.scroll;
                    } 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;

                ul.animate(
                    animCss == "left" ? { left: -(curr*liSize) } : { top: -(curr*liSize) } , 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) {
                    j$(o.btnPrev + "," + o.btnNext).removeClass("disabled");
                    j$( (curr-o.scroll<0 && o.btnPrev)
                        ||
                       (curr+o.scroll > itemLength-v && o.btnNext)
                        ||
                       []
                     ).addClass("disabled");
                }

//				count = dvdcounter * 2;
//				alert(to);
//				var page_num = to;
//				if (page_num > count) {
//					page_num = to - count;	
//				}
//
//				if (page_num <= 0) {
//					page_num = to + count;	
//				}
//
//				var page_disp = page_num / 2;
//
//				j$('#count').html(page_disp+'\/'+ dvdcounter);
//				j$('#count').html(dvdcounter);

}
            return false;
        };
    });
};

function css(el, prop) {
    return parseInt(j$.css(el[0], prop)) || 0;
};
function width(el) {
    return  el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
};
function height(el) {
    return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
};
})(jQuery);

j$(function() {
    j$(".dvditem").jCarouselLite({
        btnNext: ".next",
        btnPrev: ".prev"
    });
		// prev,nextのボタン位置
		btnPosition = (dvdheight-51)/2+57;
		j$('.dvdinfo .prev,.dvdinfo .next').css('top',btnPosition);
});
		  }else if(UA == 'ns'){
j$(function() {
j$('.dvdinfo .page').css('background','url(images/dvd_tit.gif) -200px -18px no-repeat');
j$('.dvdinfo .page').html('&nbsp;');
j$('.dvditem').css({'height':'125px','overflow':'scroll','width':'615px','margin-left':'36px'});
j$('.dvdinfo .prev,.dvdinfo .next').css('visibility','hidden');
});
		  }