var year, month, day;
var todayDate = new Date();

// Get GM Time
gt = todayDate.getTime();
gt = gt + todayDate.getTimezoneOffset()*60*1000
todayDate.setTime(gt);

// Get Minsk time
gt = todayDate.getTime();
gt = gt + (2+1)*60*60*1000
todayDate.setTime(gt);

todayDate = new Date(todayDate.getFullYear(),todayDate.getMonth(), todayDate.getDate());

var aMonth = new Array();
aMonth[1]=new Array();

function fBuildCal(iYear, iMonth, iDay)
{
	var dCalDate = new Date(iYear, iMonth-1, 0);
	var iDayOfFirst = dCalDate.getDay();
	var iDaysInMonth=new Date(iYear, iMonth, 0).getDate();
	
	var i, d, w;
	if (iDayOfFirst==0) iDayOfFirst=6; else iDayOfFirst=iDayOfFirst-1;
	for (i=0; i<7;i++) aMonth[1][i]=new Date(iYear, iMonth-1, 0-(iDayOfFirst-i));
	
	var iVarDate = aMonth[1][6].getDate()+1;
	if (iDayOfFirst == 6) iVarDate = 1;
	
	for (w = 2; w < 7; w++) {
		if (iVarDate <= iDaysInMonth) {
			aMonth[w]=new Array()
			for (d = 0; d < 7; d++) {
					aMonth[w][d] = new Date(iYear, iMonth-1, iVarDate);
					iVarDate++;
			}
		}
		else aMonth[w] = null;
	}

	return aMonth;	
}

function fDrawCal(iYear, iMonth, iDay) 
{	
	year=iYear;
	month=iMonth;
	day=iDay;
	
	selDate=new Date(iYear, iMonth-1, iDay)
	
	var myMonth;
	myMonth = fBuildCal(iYear, iMonth, iDay);
	cal='<table class="calendar">'
	cal+='<tr class="head">'
	for (i=0; i<7; i++) cal+="<td>" + myMonth[0][i] + "</td>"
	cal+='</tr>'
	for (w=1; w<myMonth.length; w++) 
		{
			if (myMonth[w] != null) 
			{
				cal+='<tr>'
				for (d=0;d<7;d++) 
					{
						CssClass=''; clickEvent=null; nowDay=myMonth[w][d]
						
						
						if (nowDay.getMonth()+1!=iMonth) CssClass+=' out'
						if (nowDay>todayDate) CssClass+=' off'					
						if (d>4) CssClass+=' hol'
						if (nowDay.toString()==todayDate.toString()) CssClass='today'
						if (selDate.toString()==nowDay.toString() && iDay!=0 && selDate.toString()!=todayDate.toString()) CssClass='sel'
						
						if (nowDay<=todayDate) clickEvent='goDay(\''+nowDay.getFullYear()+'-'+(nowDay.getMonth()+1)+'-'+nowDay.getDate()+'\')'
						
						cal+='<td'
						if (CssClass!='') cal+=' class="'+CssClass+'"'
						if (clickEvent) cal+=' onclick="'+clickEvent+'"'
						cal+='><div>'
						cal+=nowDay.getDate()
						cal+='</div></td>'
					}
				cal+='</tr>'
			}
		}
	cal+='</table>'
	document.getElementById('calendar').innerHTML=cal
	document.getElementById('datePl').innerText=monthName[iMonth]+' '+iYear
}
	
function prevMonth(){
	month--;
	if (month==0) {month=12; year--}
	fDrawCal(year, month, 0);
}

function nextMonth(){
	month++;
	if (month==13) {month=1; year++}
	fDrawCal(year, month, 0);	
}

function changeDate(el){
	if (el.name=='c_month') fDrawCal(year, el.value, 0); else fDrawCal(el.value, month, 0)
}

function goDay(date){
	document.location.replace('?day='+date)
}