/*
* jQuery Drop Down panel menu v.1
* 
* Copyright (c) 2011 Pieter Pareit
*
* http://www.scriptbreaker.com
*
*/

//plugin definition
(function ($) {
    $.fn.extend({
        //pass the options variable to the function
        dropDownPanels: function (options) {

            var defaults = {
                speed: 250,
                resetTimer: 1000
            };

            // Extend our default options with those provided.
            var opts = $.extend(defaults, options);
            //Assign current element to variable, in this case is UL element
            var $this = $(this);

            var closetimer;

            function resetMenu() {
                $this.find(".hover").removeClass("hover");
                $this.find(".submenu:visible").slideUp(opts.speed);
            }

            function activateTimer() {
                closetimer = window.setTimeout(resetMenu, opts.resetTimer);
            }

            function cancelTimer() {
                if (closetimer) {
                    window.clearTimeout(closetimer);
                    closetimer = null;
                }
            }

            $this.find(">li").hover(function () {
                cancelTimer();
                if (!$(this).find(".submenu").is(":visible")) {
                    $(this).parent().find(".hover").removeClass("hover");
                    $(this).parent().find(".submenu:visible").hide();
                    if ($(this).has(".submenu")) {
                        $(this).find(".submenu").slideDown(opts.speed);
                        $(this).find("a:first").addClass("hover");
                    }
                }
            }, function () {
                activateTimer();
            });
        }
    });
})(jQuery);