jQuery.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // CAUTION: Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};

(function($) {
	$(document).ready(function() {
		/** Dynamic size changer **/
		var curSize = $.cookie('font-size');
		var setSize = function (size)
		{
			switch (size)
			{
				case 's':
					$('#site-container').css('fontSize', '0.9em');
					break;
				case 'l':
					$('#site-container').css('fontSize', '1.15em');
					break;
				default:
					curSize = 'n';
			case 's':
					$('#site-container').css('fontSize', '1em');
					break;
			}
			$.cookie('font-size', curSize, { expires: 30, path: '/' });
			$('#dyn-textsize a.' + curSize).addClass(curSize + '-selected');
		}
		setSize(curSize);
		$('#dyn-textsize a').bind('focus', function(){ this.blur();}).click(function(){
			var $t = $(this);
			var size = ( $t.hasClass('s') ? 's' : ( $t.hasClass('n') ? 'n' : 'l' ) );
			if ( curSize != size )
			{
				$('#dyn-textsize a.' + curSize).removeClass(curSize + '-selected');
				curSize = size;
				setSize(curSize);
			}
			return false;
		});
		
		
		/** Folder **/
		$('.folder').click(function() {
			var $this = $(this);
			if ( $this.hasClass('unfold') )
				$($this.attr('href')).slideUp('fast');
			else
				$($this.attr('href')).slideDown('fast');
			$this.toggleClass('unfold', '');
			return false;
		}).bind('focus', function() {this.blur();});

		if ($.browser.msie && $.browser.version < 7)
			$('.block .banner').wrap('<div class="ie6"></div>');
		
	});
})(jQuery);