(function($){
    $(function(){
    
        function createCookie(name, value, days){
            if (days) {
                var date = new Date();
                date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
                var expires = "; expires=" + date.toGMTString();
            }
            else 
                var expires = "";
            document.cookie = name + "=" + value + expires + "; path=/";
        }
        function readCookie(name){
            var nameEQ = name + "=";
            var ca = document.cookie.split(';');
            for (var i = 0; i < ca.length; i++) {
                var c = ca[i];
                while (c.charAt(0) == ' ') 
                    c = c.substring(1, c.length);
                if (c.indexOf(nameEQ) == 0) 
                    return c.substring(nameEQ.length, c.length);
            }
            return null;
        }
        function eraseCookie(name){
            createCookie(name, "", -1);
        }
        
        $('ul.tabs').each(function(i){
            var cookie = readCookie('tabCookie' + i);
            if (cookie) 
                $(this).find('li').eq(cookie).addClass('current').siblings().removeClass('current')
				.parents('div.section').find('div.box').css('visibility', 'hidden').css('height', '0px').eq(cookie).css('visibility', 'visible').css('height', 'auto');
        })
        
        $('ul.tabs').delegate('li:not(.current)', 'click', function(){
            $(this).addClass('current').siblings().removeClass('current').parents('div.section').find('div.box')
			.css('visibility', 'hidden').css('height', '0px').eq($(this).index()).css('visibility', 'visible').css('height', 'auto');
            var ulIndex = $('ul.tabs').index($(this).parents('ul.tabs'));
            eraseCookie('tabCookie' + ulIndex);
            createCookie('tabCookie' + ulIndex, $(this).index(), 365);
        })
        
    })
})(jQuery)