function CheckCreateEventInput() {

	if (document.create_event._title.value == "") {
		alert("Wpisz nazwę zdarzenia !");
		document.create_event._title.focus();
		return false;
	}

	var _startdate = document.create_event._startdate.value	
	if (_startdate=='') {
		alert("Wpisz datę rozpoczęcia !");
		document.create_event._startdate.focus();
		return false;
	}
		
	var _enddate = document.create_event._enddate.value	
	if (_enddate=='') {
		alert("Wpisz datę zakończenia !");
		document.create_event._enddate.focus();
		return false;
	}
	
	
//	alert (_startdate);
//	alert (_enddate);	
//	alert(Date.UTC(_startdate));
//	alert(Date.UTC(_enddate));	
// if ( Date.UTC(_startdate) >= Date.UTC(_enddate)) {	
//		alert("Data rozpoczęcia nie może być późniejsza niż data zakończenia !");
//		return false;
//		}	
//		 if ( _startdate >= _enddate) {	
//			alert("Data rozpoczęcia nie może być późniejsza niż data zakończenia !");
//			return false;
//		}

//	var _startday = parseInt(document.create_event._startday.value, 10);
	
//	if (isNaN(_startday)) {
//		alert("Please insert a day!");
//		document.create_event._startday.focus();
//		return false;
//	}
	
//	var _startmonth = parseInt(document.create_event._startmonth.value, 10);
//	 
//	if (isNaN(_startmonth)) {
//		alert("Please insert a month!");
//		document.create_event._startmonth.focus();
//		return false;
//	}

//	var _startyear = parseInt(document.create_event._startyear.value, 10);
	
//	if (isNaN(_startyear)) {
//		alert("Please insert a year!");
//		document.create_event._startyear.focus();
//		return false;
//	}

//	_startmonth = _startmonth - 1;

//	var date = new Date(_startyear, _startmonth, _startday);
//	var day = date.getDate();
//	var month = date.getMonth();
//	var year;
//	
//	if (date.getFullYear()) {
//		year = date.getFullYear();
//	} else {
//		year = date.getYear()+1900;
//	}
	
//	if (!(_startday == day && _startmonth == month && _startyear == year)) {
//		alert("Please check start date!");
//		return false;
//	}

//	if (!document.create_event._whole_day.checked) {
		
//		var _starthour = parseInt(document.create_event._starthour.value, 10);
//		if (isNaN(_starthour) || !(_starthour >= 0 && _starthour < 24 )) {
//			alert("Please insert a hour! (Number between 0 and 23)");
//			document.create_event._starthour.focus();
//			return false;
//		}
		
//		var _startminute = parseInt(document.create_event._startminute.value, 10);
//		if (isNaN(_startminute) || !(_startminute >= 0 && _startminute < 60)) {
//			alert("Please insert a minute! (Number between 0 and 59)");
//			document.create_event._startminute.focus();
//			return false;
//		}
		
//		var _endday = parseInt(document.create_event._endday.value, 10);
//		if (isNaN(_endday)) {
//			alert("Please insert a day!");
//			document.create_event._endday.focus();
//			return false;
//		}
	
//		var _endmonth = parseInt(document.create_event._endmonth.value, 10);
//		if (isNaN(_endmonth)) {
//			alert("Please insert a month!");
//			document.create_event._endmonth.focus();
//			return false;
//		}
	
//		var _endyear = parseInt(document.create_event._endyear.value, 10);
//		if (isNaN(_endyear)) {
//			alert("Please insert a year!");
//			document.create_event._endyear.focus();
//			return false;
//		}		

//		_endmonth = _endmonth - 1;
	
//		var date = new Date(_endyear, _endmonth, _endday);
//		var day = date.getDate();
//		var month = date.getMonth();
//		var year;
		
//		if (date.getFullYear()) {
//			year = date.getFullYear();
//		} else {
//			year = date.getYear()+1900;
//		}
		
//		if (!(_endday == day && _endmonth == month && _endyear == year)) {
//			alert("Please check end date!");
//		return false;
//		}
		
		
//		var _endhour = parseInt(document.create_event._endhour.value, 10);
//		if (isNaN(_endhour) || !(_endhour >= 0 && _endhour < 24 )) {
//			alert("Please insert a hour! (Number between 0 and 23)");
//			document.create_event._endhour.focus();
//			return false;
//		}
		
//		var _endminute = parseInt(document.create_event._endminute.value, 10);
//		if (isNaN(_endminute) || !(_endminute >= 0 && _endminute < 60)) {
//			alert("Please insert a minute! (Number between 0 and 59)");
//			document.create_event._endminute.focus();
//			return false;
//		}
		
//		if (Date.UTC(_startyear, _startmonth, _startday, _starthour, _startminute, 00) >= Date.UTC(_endyear, _endmonth, _endday, _endhour, _endminute, 00)) {			
//			alert("Enddate should be after Startdate!");
//			return false;
//		}
//	}
}



function CheckUpdateEventInput(){

	if (document.create_event._title.value == "") {
		alert("Wpisz nazwę zdarzenia !");
		document.create_event._title.focus();
		return false;
	}
	

	var _startdate = document.create_event._startdate.value
	
	if (_startdate=='') {
		alert("Wpisz datę rozpoczęcia !");
		document.create_event._startdate.focus();
		return false;
	}
	
	
	var _enddate = document.create_event._enddate.value
	
	if (_enddate=='') {
		alert("Wpisz datę zakończenia !");
		document.create_event._enddate.focus();
		return false;
	}
	
	
		 if ( _startdate >= _enddate) {	
			alert("Data rozpoczęcia nie może być późniejsza niż data zakończenia !");
			return false;
		}
	
	

}


function splitString (stringToSplit,separator) {
   arrayOfStrings = stringToSplit.split(separator)

   
   return arrayOfStrings;
}




function wholeDay() {

            var date='';
            var time='';
            var date_time = new Array();
            var date_a = new Array();
            var time_a = new Array();
            var space=" ";
            var krop=":";
            var mysl="-";
            var rok='';
            var mies='';
            var dzien='';
            var godz='';
            var min='';
            var sek='';


  if(document.create_event._startdate.value==' '){
  alert('Prosimy wybrać najpierw datę rozpoczęcia');  
  document.create_event._whole_day.checked =  false;
  //document.create_event._enddate.disabled = false;  
  }else{
  
        	if (document.create_event._whole_day.checked) {
        	//document.create_event._enddate.disabled = true;

          date_time = splitString(document.create_event._startdate.value,space);

          date=date_time[0];
          time=date_time[1];
          date_a = splitString(date,mysl);
          rok=date_a[0];
          mies=date_a[1];
          dzien=date_a[2];

          time_a = splitString(time,krop);
          godz=time_a[0];
          min=time_a[1];
          sek=time_a[2];

          godz_s='06';
          godz_e='21';

          document.create_event._startdate.value=rok+'-'+mies+'-'+dzien+' '+godz_s+':'+min+':'+sek;
          document.create_event._enddate.value=rok+'-'+mies+'-'+dzien+' '+godz_e+':'+min+':'+sek;

        	} else {        	
        //	document.create_event._enddate.disabled = false;
        	}  
  
  }
}

function inviteGuests() {
	if (document.create_event._invitations.checked) {
		document.create_event._invitation_mails.disabled = false;
	} else {
		document.create_event._invitation_mails.disabled = true;
	}
}