(function($){
    $.fn.jTruncate = function(options) {
       
        var defaults = {
            length: 300,
            minTrail: 20,
            moreText: "more",
            lessText: "less",
            ellipsisText: "...",
            moreAni: "",
            lessAni: ""
        };
        
        var options = $.extend(defaults, options);
       
        return this.each(function() {
            obj = $(this);
            var body = obj.html();
            
            if(body.length > options.length + options.minTrail) {
                var splitLocation = body.indexOf(' ', options.length);
                if(splitLocation != -1) {
                    // truncate tip
                    var splitLocation = body.indexOf(' ', options.length);
                    var str1 = body.substring(0, splitLocation);
                    var str2 = body.substring(splitLocation, body.length);
                    obj.html(str1 + '<span class="truncate_ellipsis">' + options.ellipsisText + 
                        '</span>' + '<span class="truncate_more">' + str2 + '</span>');
                    obj.find('.truncate_more').css("display", "none");
                    
                    // insert more link
                    obj.append(
                        '<div class="clearboth">' +
                            '<a href="#" class="pfeil_link truncate_more_link">' + options.moreText + '</a>' +
                        '</div>'
                    );

                    // set onclick event for more/less link
                    var moreLink = $('.truncate_more_link', obj);
                    var moreContent = $('.truncate_more', obj);
                    var ellipsis = $('.truncate_ellipsis', obj);
                    moreLink.click(function() {
                        if(moreLink.text() == options.moreText) {
                            moreContent.show(options.moreAni);
                            moreLink.text(options.lessText);
                            ellipsis.css("display", "none");
                        } else {
                            moreContent.hide(options.lessAni);
                            moreLink.text(options.moreText);
                            ellipsis.css("display", "inline");
                        }
                        return false;
                      });
                }
            } // end if
            
        });
    };
})(jQuery);