(function($){
    $.fn.extend({
        slideMenu : function(options){
            var defaults = {
                moveBy : "20px",
                delay : 200,
                initialPadding : "5px",
                activeClass : "active"
            };
            var options = $.extend(defaults, options);
            return this.each(function() {
 
                var obj = $(this);
 
                var moveBy = options.moveBy
                var delay = options.delay
                var initialPadding = options.initialPadding
                var activeClass = options.activeClass
 
                var items = $('li a', obj);
 
                items.mouseover(function(){
                    $(this).attr("id",activeClass);
                    $(this).animate({
                        "padding-left": moveBy
                    },delay);
                });
                items.mouseout(function(){
                    $(this).animate({
                        "padding-left": initialPadding,
                                                "id"              : ""
                    },delay);
                });
            });
      }
    });
}) (jQuery);