(function($) {
    "use strict";
    $.fn.aRise = function() {
        // vars first of all
        var links = this, total = this.length;
        // add styles to head
        $('head').append('<style type="text/css">#arise-div{position:absolute;top:20%;left:50%;cursor:pointer;background-color:#fff;border:1px #aaa solid;padding:2px 4px;border-radius:4px;}</style>');
        links.each(function(index) {
            $(this).click(function(e) {
                e.preventDefault();
                // update index value
                index = $(this).index();
                // remove if already opened
                $('#arise-div').remove();
                // inner content of popup
                var ariseDivOptions = {
                    id: "arise-div",
                    html: "<img id='' src='" + $(this).attr("href") + "' alt='" + $(this).attr("title") + "' />"
                };
                // include title (if any)
                if ($(this).attr("title")) ariseDivOptions.html = "<div class='title'>" + $(this).attr("title") + "</div>" + ariseDivOptions.html;
                // create aRise popup
                var ariseDiv = $("<div/>", ariseDivOptions).appendTo("body").css("margin-left", "-" + ariseDiv.find('img').width() / 2 + "px");
                // close popup when clicked outside it
                $(document).mouseup(function (e) {
                    if (!ariseDiv.is(e.target) && ariseDiv.has(e.target).length === 0) ariseDiv.hide();
                });
                ariseDiv.click(function() {
                    index = ( index == total - 1 ) ? 0 : index+1;
                    var $this = $(this), next_href = $(links[index]).attr("href"), next_title = $(links[index]).attr("title");
                    $this.find('img').attr("src",next_href);
                    $this.find('.title').html(next_title);
                    $this.css("margin-left", "-" + $this.find('img').width() / 2 + "px");
                });
            });
        });
    }   
})(jQuery);