var filterUpdated = function(do_not_submit) {
	var cat = $("#c").val();
	var cit = null;
	
	if($("#cities").length != 0) {
		cit = $("#cities").val();
	}
	
	//var tag = (this.tagName.toLowerCase());
	
	var catClass = '.cat_' + cat;
	var citClass = '.city_'+ cit;

	//handlisng checkboxes instead of select
	var array_of_cities=  getCheckboxArray('city');
	
//	alert(array_of_cities)
	
	
	for (var i=0; i<array_of_cities.length; i++) {
		var citClass_x = '.city_'+ array_of_cities[i];
		
		citClass = citClass + ', ' + citClass_x;
	}
	
	

	// everything back to normal
	$('.vevent').show().removeClass('disabled_event');
	$('.list .vevent').parent().parent().show();
	$('.highlighted_event').removeClass('highlighted_event');
	$('p#noitems').html('').hide();

	if (cat > 0 || cit > 0 || array_of_cities.length > 0) {
		$('.vevent').hide();
		
		var elements = null;
		
		if (cat > 0) {
			elements = $(catClass);
		}
		
		if (cit > 0 || array_of_cities.length) {
			if (!elements) {
				elements = $(citClass + ', .city_all' );
			} else {
				//We now select from selected elements. (Hence this is AND operation.) 
				elements = $(elements).filter(citClass + ', .city_all' );
			}
		}
		
		$(elements).addClass('highlighted_event').show();
//		
		// hide empty days
//		$('.vevent:not(.highlighted_event)').parent().parent().hide();

		$('.list dd.vevent').parent().parent().each(function() {
			if ($(this).find('dl dd.highlighted_event').length == 0)
				$(this).hide();
		});//*/

		var shcnt = $('dd.vevent').parent().parent().find(
				'dl dd.highlighted_event').length;
		var cattxt = $(this).find(':selected').text();

		if (0 == shcnt)
			$(' p#noitems').html(
					'There are no events in category "' + cattxt + '"').show();
		else
			$(' p#noitems').html('').hide();
	} else {
		$('#cities input').unbind('change',filterUpdated);
		$('#cities input').attr('checked', 'checked');
		$('#cities input').change(filterUpdated);
		
	}
	if (do_not_submit != true) {
		//$('form.control').submit();
	}
	//document.title = citClass;//xxx
	
	
	$.cookie('city_cookie', getCheckboxArray('city'));
}





/**
 * Cookie plugin
 *
 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */

/**
 * Create a cookie with the given name and value and other optional parameters.
 *
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Set the value of a cookie.
 * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true });
 * @desc Create a cookie with all available options.
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Create a session cookie.
 * @example $.cookie('the_cookie', null);
 * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain
 *       used when the cookie was set.
 *
 * @param String name The name of the cookie.
 * @param String value The value of the cookie.
 * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
 * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
 *                             If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
 *                             If set to null or omitted, the cookie will be a session cookie and will not be retained
 *                             when the the browser exits.
 * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
 * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
 * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
 *                        require a secure protocol (like HTTPS).
 * @type undefined
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */

/**
 * Get the value of a cookie with the given name.
 *
 * @example $.cookie('the_cookie');
 * @desc Get the value of a cookie.
 *
 * @param String name The name of the cookie.
 * @return The value of the cookie.
 * @type String
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */
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;
    }
};










//var filterUpdated_old_SELECT = function() {
//	
//	var cat = $("#c").val();
//	var cit = null;
//	
//	if($("#cities").length != 0) {
//		cit = $("#cities").val();
//	}
//	
//	var catClass = '.cat_' + cat;
//	var citClass = '.city_'+ cit;
//	
//	var tag = (this.tagName.toLowerCase());
//
//	// everything back to normal
//	$('.vevent').show().removeClass('disabled_event');
//	$('.list .vevent').parent().parent().show();
//	$('.highlighted_event').removeClass('highlighted_event');
//	$('p#noitems').html('').hide();
//
//	if (cat > 0 || cit > 0) {
//		$('.vevent').hide();
//		
//		var elements = null;
//		
//		if (cat > 0) {
//			elements = $(catClass);
//		}
//		
//		if (cit > 0) {
//			if (!elements) {
//				elements = $(citClass);
////				$('.city_all').addClass('highlighted_event').show();
//			} else {
//				//We now select from selected elements. (Hence this is AND operation.) 
////				elements = $(elements).not('.city_all').filter(citClass );
//				elements = $(elements).filter(citClass + ', .city_all' );
//			}
//		}
//		
//		$(elements).addClass('highlighted_event').show();
////		
//		// hide empty days
////		$('.vevent:not(.highlighted_event)').parent().parent().hide();
//
//		$('.list dd.vevent').parent().parent().each(function() {
//			if ($(this).find('dl dd.highlighted_event').length == 0)
//				$(this).hide();
//		});//*/
//
//		var shcnt = $('dd.vevent').parent().parent().find(
//				'dl dd.highlighted_event').length;
//		var cattxt = $(this).find(':selected').text();
//
//		if (0 == shcnt)
//			$(' p#noitems').html(
//					'There are no events in category "' + cattxt + '"').show();
//		else
//			$(' p#noitems').html('').hide();
//	}
//}














function getCheckboxArray(id) {
var selectedItems = new Array();
	$("input[@type='checkbox'][@name='"+id+"']:checked").each(function() {selectedItems.push($(this).val());});
	return selectedItems;
} 



function getCheckboxStringURL(id) {
	var query_string = ''; 
	$("input[@type='checkbox'][@name='"+id+"']:checked").each( 
	    function() { 
	            query_string += "&"+id+"[]=" + $(this).val(); 
	    }); 
	return query_string;
}



/* * * * * * * * * * * * * * * * * * * * * * * * * * * */
$(document).ready(function() {
	$('#c').change(filterUpdated);

	$('#cities input').change(filterUpdated);
	filterUpdated(true);

	
	$('#noitems').hide();
	
    $('.showtooltip dd').simpletooltip();
    $('.category_3').hide().fadeIn('slow');
 
    if($('#calendar ul.month li:not(.no-events)').length == 0) 
    	$('p#noitems').html('There are no events, please choose another date.').show();
    
	
});