/*
 *
 * images fullplay
 * author: join fisher
 * version: 1.0 (1-jun-2016)
 *
 */

(function($) {

    $.fn.fullimages = function(fisher) {

        var fisher = $.extend({
            imgwidth: null,
            imgheight: null,
            autoplay: null,
            fadetime: null
        },
        fisher)

        var count = $(this).find("img").length; 
        var nvalue = 0;
        var ovalue = 0;
        var _this = $(this);
       
	    _this.find("img:eq(0)").fadein("slow");

        var setintervalimg = setinterval(function() {

            nvalue++
            if (nvalue == count) {
                nvalue = 0;
            }
            _this.find(" img:eq(" + (nvalue) + ")").fadein(fisher.fadetime);
            _this.find(" img:eq(" + (ovalue) + ")").fadeout(fisher.fadetime);
            ovalue = nvalue % count;

        },
        fisher.autoplay);

        resizefun();
        $(window).resize(function(e) {
            resizefun();
        });

        function resizefun() {

            /*轮播图全屏*/
            var imgh = fisher.imgheight;
            var imgw = fisher.imgwidth;
            var hvalue = imgh / imgw;
            var wvalue = imgw / imgh;

            if ($(window).width() / $(window).height() < wvalue) {

                _this.find("img").css("width", $(window).height() * wvalue);
                _this.find("img").css("margin-left", -(($(window).height() * wvalue) - $(window).width()) / 2);
                _this.find("img").css("height", $(window).height());

            } else {

                _this.find("img").css("width", $(window).width());
                _this.find("img").css("margin-left", 0);
                _this.find("img").css("height", $(window).width() * hvalue);

            }

        }

    };

} (jquery));