/**
* Collapse plugin for jQuery
* ---
* @author Daniel Stocks (http://webcloud.se)
* @version 0.1
* @updated 28-APR-2010
* ---
* Note: For cookie support you need
* the cookie plugin from here: http://plugins.jquery.com/project/cookie
* ---
*/
 
 (function($) {
    $.fn.extend({
        collapseee: function(options) {
            
            var defaults = {
                inactive : "kiinni",
                active : "auki",
                head : ".valikko-b-otsikko",
                group : ".valikko-b",
                speed : 300,
                cookie : "collapseee"
            };
            
            // Set a cookie counter so we dont get name collisions
            var op = $.extend(defaults, options);
                cookie_counter = 0;
                
            return this.each(function() {
                
                // Increment cookie name counter
                cookie_counter++;

                var obj = $(this),
                    sections = obj.find(op.head).addClass(op.inactive),
                    panel = obj.find(op.group).hide(),
                    l = sections.length,
                    cookie = op.cookie + "_" + cookie_counter;
                
                // Look for existing cookies
                for (c=0;c<=l;c++) {
                    var cvalue = $.cookie(cookie + c);
                    if ( cvalue == 'open' + c ) {
                        panel.eq(c).show();
                        panel.eq(c).prev().removeClass(op.inactive).addClass(op.active);
                    };
                };
                sections.click(function(e) {
                    e.preventDefault();
                    var num = sections.index(this);
                    var cookieName = cookie + num;
                    var ul = $(this).next(op.group);
                    // If item is open, slide up
                    if($(this).hasClass(op.active)) {
                        ul.slideUp(op.speed);
                        $(this).removeClass(op.active).addClass(op.inactive);
                        $.cookie(cookieName, null, { path: '/', expires: 10 });
                        return
                    }
                    // Else slide down
                    ul.slideDown(op.speed);
                    $(this).addClass(op.active).removeClass(op.inactive);
                    var cookieValue = 'open' + num;
                    $.cookie(cookieName, cookieValue, { path: '/', expires: 10 });
                });
            });
        }
    });
})(jQuery);