(function($){
    $.fn.slideMenu = function(options) {
        var defaults = {
            noSelectPosition:{left:-104,top:0},
            translationDuration:1000
        };
        var options = $.extend(defaults, options);
        return this.each(function() {
            obj = $(this);
            obj.css({position:"relative"});

            obj.find('a').click(function(){
                this.blur();
            });
            var selectedPos=options.noSelectPosition;
            obj.find('li#current').each(function(){
                selectedPos=$(this).position();
            });
            
            obj.css({backgroundPosition:selectedPos.left+'px '+selectedPos.top+'px'});

            obj.find('li').mouseover(function(){
                    var item=$(this)
                    item.parent().stop().animate({backgroundPosition:'('+item.position().left+'px '+item.position().top+'px)'},1000);
                }).mouseout(function(){
                    var item=$(this)
                    var selectedPos=options.noSelectPosition;
                    item.parent().find('li#current').each(function(){
                        selectedPos=$(this).position();
                    });
                    item.parent().stop().animate({backgroundPosition:'('+selectedPos.left+'px '+selectedPos.top+'px)'},1000);
                });

            
            

        });
    };
})(jQuery);