(function($) { 
   
	var hints = new Object();
	var eventsday = new Array();
	calendarWidget = function (el, params) { 
		
		var now   = new Date();
		var thismonth = now.getMonth();
		var thisyear  = now.getYear() + 1900;
		
		var opts = {
			month: thismonth,
			year: thisyear
		};
		
		$.extend(opts, params);
		
		var monthNames = ['Январь', 'Февраль', 'Март', 'Апрель', 'Май', 'Июнь', 'Июль', 'Август', 'Сентябрь', 'Октябрь', 'Ноябрь', 'Декабрь'];
		var dayNames = ['Пн', 'Вт', 'Ср', 'Чт', 'Пт', 'Сб','Вс'];
		month = i = parseInt(opts.month);
		year = parseInt(opts.year);
		var m = 0;
		var table = '';

		$('#calendar .eventitem').each(function(obj){
			eventsday.push($(this).attr('attr'));
			if(hints[$(this).attr('attr')])
				hints[$(this).attr('attr')].push($(this).attr('id'));
			else
				hints[$(this).attr('attr')] = [$(this).attr('id')];
		});

			// next month
			if (month == 11) {
				var next_month = '<a href="?month=' + 1 + '&amp;year=' + (year + 1) + '" title="' + monthNames[0] + ' ' + (year + 1) + '">' + monthNames[0] + ' ' + (year + 1) + '</a>';
			} else {
				var next_month = '<a href="?month=' + (month + 2) + '&amp;year=' + (year) + '" title="' + monthNames[month + 1] + ' ' + (year) + '">' + monthNames[month + 1] + ' ' + (year) + '</a>';
			}
				
			// previous month
			if (month == 0) {
				var prev_month = '<a href="?month=' + 12 + '&amp;year=' + (year - 1) + '" title="' + monthNames[11] + ' ' + (year - 1) + '">' + monthNames[11] + ' ' + (year - 1) + '</a>';
			} else {
				var prev_month = '<a href="?month=' + (month) + '&amp;year=' + (year) + '" title="' + monthNames[month - 1] + ' ' + (year) + '">' + monthNames[month - 1] + ' ' + (year) + '</a>';
			}		
				
			table += ('<h3 id="current-month">'+monthNames[month]+', '+year+'</h3>');
			// uncomment the following lines if you'd like to display calendar month based on 'month' and 'view' paramaters from the URL
			//table += ('<div class="nav-prev">'+ prev_month +'</div>');
			//table += ('<div class="nav-next">'+ next_month +'</div>');
			table += ('<table class="calendar-month " ' +'id="calendar-month'+i+' " cellspacing="0">');	
		
			table += '<tr>';
			
			for (d=0; d<7; d++) {
				table += '<th class="weekday wday'+(d+1)+'"><span class="day">' + dayNames[d] + '</span></th>';
			}
			
			table += '</tr>';
		
			var days = getDaysInMonth(month,year);
            var firstDayDate=new Date(year,month,0);
            var firstDay=firstDayDate.getDay();
            
			var prev_days = getDaysInMonth(month,year);
            var firstDayDate=new Date(year,month,0);
            var firstDay=firstDayDate.getDay();
			
			var prev_m = month == 0 ? 11 : month-1;
			var prev_y = prev_m == 11 ? year - 1 : year;
			var prev_days = getDaysInMonth(prev_m, prev_y);
			firstDay = (firstDay == 0 && firstDayDate) ? 7 : firstDay;
			
			nowdate = now.getDate();
			
			var i = 0;
            for (j=0;j<42;j++){
			  
              if ((j<firstDay)){
                table += ('<td class="other-month"><span class="day">'+ (prev_days-firstDay+j+1) +'</span></td>');
			  } else if ((j>=firstDay+getDaysInMonth(month,year))) {
				i = i+1;
                table += ('<td class="other-month"><span class="day">'+ i +'</span></td>');			 
              }
			  else if (eventsday.inArray(j-firstDay+1))
				  {
				  table += ('<td class="events-day current-month day'+(j-firstDay+1)+' '+((nowdate == (j-firstDay+1))?'current-day':'')+'"><span class="day">'+(j-firstDay+1)+'</span></td>');
				  }
			  else{
                table += ('<td class="current-month day'+(j-firstDay+1)+' '+((nowdate == (j-firstDay+1))?'current-day':'')+'"><span class="day">'+(j-firstDay+1)+'</span></td>');
              }
              if (j%7==6)  table += ('</tr>');
            }

            table += ('</table>');

		el.html(table);
		
		var rand = eventsday[Math.floor(Math.random()*eventsday.length)];
		showEvent(rand);
	}
	
	 getDaysInMonth = function (month,year) {
		var daysInMonth=[31,28,31,30,31,30,31,31,30,31,30,31];
		if ((month==1)&&(year%4==0)&&((year%100!=0)||(year%400==0))){
		  return 29;
		}else{
		  return daysInMonth[month];
		}
	}
	
	showEvent = function (num) {
		$('#calendar .eventitem[attr="'+num+'"]:first ').show();
		showHint(num);
		$('#calendar .hint-block .hint:first').addClass('currenthint');	
	}
	 
	showHint = function (num) {
		var array = hints[num];
		$('#calendar .hint-block').html("");
		if(array.length > 1)
			{
				for (var i = 0; i < array.length && i < 6; i++) {
					$('<span class="hint" event="'+array[i]+'"></span>').appendTo('#calendar .hint-block')
				}
			}

	}
	
	// jQuery plugin initialisation
	$.fn.calendarWidget = function(params) {   
		calendarWidget(this, params);		
		return this; 
	}; 

	$('#calendar .hint').live('click',function(e){
		$('#calendar .hint-block .hint').removeClass('currenthint');
		$(this).addClass('currenthint');
		$('#calendar .eventitem').hide();		
		$('#calendar .eventitem[id="'+$(this).attr('event')+'"]').show();
	});
	
	$('#calendar .events-day').live('click',function(e){
		$('#calendar .eventitem').hide();
		showEvent($(this).find(".day").text());
	});
	
	
})(jQuery);


if (!Array.prototype.inArray) {
	   Array.prototype.inArray=function(val) {
	      for (key in this) {
	         if (this[key]==val) {
	            return true; // If you want the key of the matched value, change "true" to "key"
	         }
	      }
	      return false;
	   }
	}