/**
 * HoverAccordion - jQuery plugin for intuitively opening accordions and menus
 * http://berndmatzner.de/jquery/hoveraccordion/
 * Copyright (c) 2008 Bernd Matzner
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 * Version: 0.5.0
 */
(function ($) {
    $.fn.hoverAccordion = function (options) {
        options = jQuery.extend({
            speed: 'fast',
            activateitem: 'true',
            active: 'active',
            header: 'header',
            hover: 'hover',
            opened: 'opened',
            closed: 'closed'
        },
        options);
        var thislist = this;
        var thisurl = window.location.href;
        var i = 0;

        function doHover(obj) {
            if ($(obj).html() == undefined) obj = this;
            if (!thislist.is(':animated')) {
                var newelem = $(obj).parent().children('ul');
                var oldelem = $(obj).parent().parent().children('li').children('ul:visible');
                if (options.keepheight == 'true') {
                    thisheight = maxheight;
                } else {
                    thisheight = newelem.height();
                }
                if (!newelem.is(':visible')) {
                    newelem.children().hide();
                    newelem.animate({
                        height: thisheight
                    },
                    {
                        step: function (n, fx) {
                            newelem.height(thisheight - n);
                        },
                        duration: options.speed
                    }).children().show();
                    oldelem.animate({
                        height: 'hide'
                    },
                    {
                        step: function (n, fx) {
                            newelem.height(thisheight - n);
                        },
                        duration: options.speed
                    }).children().hide();
                    oldelem.parent().children('a').addClass(options.closed).removeClass(options.opened);
                    newelem.parent().children('a').addClass(options.opened).removeClass(options.closed);
                }
            }
        };
        var itemNo = 0;
        var maxheight = 0;
        $(this).children('li').each(function () {
            var thisitem = $(this);
            itemNo++;
            var thislink = thisitem.children('a');
            if (thislink.length > 0) {
                thislink.hover(function () {
                    $(this).addClass(options.hover);
                },
                function () {
                    $(this).removeClass(options.hover);
                });
                var thishref = thislink.attr('href');
                if (thishref == '#') {
                    thislink.click(function () {
						if(options.clickOpt == 'true'){
							doHover(this);
                        	this.blur();
                        	return false;
						}else{
							/* do nothing */
						}
                    });
                } else if (options.activateitem == 'true' && thisurl.indexOf(thishref) > 0 && thisurl.length - thisurl.lastIndexOf(thishref) == thishref.length) {
                    thislink.parent().addClass(options.active);
                }
            }
            var thischild = thisitem.children('ul');
   			
			/* Set the height of the sub ul items */
			var itemheight = $(this).children('ul').height();
			$(this).children('ul').height(itemheight);

			if (thischild.length > 0) {
                if (maxheight < thischild.height()) maxheight = thischild.height();
                thischild.children('li.' + options.active).parent().parent().children('a').addClass(options.header);
                thislink.hover(function () {
                    var t = this;
                    i = setInterval(function () {
                        doHover(t);
                        clearInterval(i);
                    },
                    500);
                },
                function () {
                    clearInterval(i);
                });
                if (options.activateitem == 'true') {
					thischild.children('li').each(function () {
                        var m = $(this).children('a').attr('href');
                        if (m) {
                            if (thisurl.indexOf(m) > 0 && thisurl.length - thisurl.lastIndexOf(m) == m.length) {
                                $(this).addClass(options.active).parent().parent().children('a').addClass(options.opened);
                            }
                        }
                    });
                } else if (parseInt(options.activateitem) == itemNo) {
                	thisitem.addClass(options.active).children('a').addClass(options.opened);
                }
            }
            thischild.not($(this).parent().children('li.' + options.active).children('ul')).not(thischild.children('li.' + options.active).parent()).hide().parent().children('a').addClass(options.closed);
        });
        return this;
    };
})(jQuery);