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

	//handlisng checkboxes instead of select
	var array_of_cities=  getCheckboxArray('city');
	
	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();

		$('.list dd.vevent').parent().parent().each(function() {
			if ($(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();
	}

	//$.cookie('city_cookie', getCheckboxArray('city'), {path: '/' });
}


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').click(filterUpdated);
	filterUpdated(true);


	$('#noitems').hide();
    $('.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();

});

function printEvents() {
   $('body').toggleClass('print-events');
   window.print();
   $('body').toggleClass('print-events');
}
function printCalendar() {
   $('body').toggleClass('shedule');
   window.print();
   $('body').toggleClass('shedule');
}