var theMonth;
var year;
var today=new Date();
theMonth=today.getMonth();
year=today.getFullYear();
function next()
{
	if(theMonth>11)
	{
	theMonth=11;
	}
	else theMonth++;
	generate_calendar();
}
function prev()
{
	if(theMonth<0)
	{
		theMonth=0;
	}
	else theMonth--;
	generate_calendar();
}
function getFirstDay(theYear, theMonth)
{
	var firstDay=new Date(theYear, theMonth, 1);
	var days=firstDay.getDay()+1
	var fDay=1;
	switch(days)
	{
		case 1: fDay=7;
		break;
		case 2: fDay=1;
		break;
		case 3: fDay=2;
		break;
		case 4: fDay=3;
		break;
		case 5: fDay=4;
		break;
		case 6: fDay=5;
		break;
		case 7: fDay=6;
		break;
	}
	return fDay;
}
function getMonthLen(theYear, theMonth)
{
	var oneDay=1000*60*60*24;
	var thisMonth=new Date(theYear, theMonth, 1);
	var nextMonth=new Date(theYear,theMonth+1, 1);
	var len=Math.ceil((nextMonth.getTime()-thisMonth.getTime())/oneDay);
	if(len>31) len--;
	return len;
}
theMonths=new MakeArray(12);

function MakeArray(n)
{
	this[0]="Януари";
	this[1]="Февруари";
	this[2]="Март";
	this[3]="Април";
	this[4]="Май";
	this[5]="Юни";
	this[6]="Юли";
	this[7]="Август";
	this[8]="Септември";
	this[9]="Октомври";
	this[10]="Ноември";
	this[11]="Декември";
	this.lenght=n;
	return this;
}
dayworks = new Array(12);
dayworks[0]=new Array(0);
dayworks[1]=new Array(0);
dayworks[2]=new Array(0);
dayworks[3]=new Array(0);
dayworks[4]=new Array(0);
dayworks[5]=new Array(0);
dayworks[6]=new Array(0);
dayworks[7]=new Array(0);
dayworks[8]=new Array(0);
dayworks[9]=new Array(0);
dayworks[10]=new Array(0);
dayworks[11]=new Array(0);


function check_day(Month,day)
{
	var r=0;
	for(var i=0; i<dayworks[Month].length; i++)
	{
		if(dayworks[Month][i]==day)
		{
			return true
		}	
	}
}
function generate_calendar()
{
	var today=new Date();
	var firstDay=getFirstDay(year, theMonth);
	var howManyd=getMonthLen(year, theMonth)+firstDay;

	var content="<table border=\"1\" width=\"170\" cellpadding=\"1\" cellspacing=\"0\" style=\"font-family: Courier; font-size: 8px\">";
	content+="<tr><th colspan=\"7\"><a title=\"Предишен месец\" href=\"javascript:prev()\"><< </a> <span style=\"font-size: 12px; font-family: sans-serif;\">"+theMonths[theMonth]+ "</span> " + year+" <a title=\"Следващ месец\" href=\"javascript:next()\" >>></a></th></tr>";
	content+="<tr><th>П</th><th>В</th><th>С</th><th>Ч</th><th>П</th><th>С</th><th>Н</th>";
	content+="<tr>";
	for(var i=1; i<howManyd; i++)
	{
		if(i<firstDay)
		{
			content+="<td></td>";
		}
		else
		{
			content+="<td align=\"center\"";
			
			content+=">";
			if(check_day(theMonth,(i-firstDay+1)))		content+="<a style=\"color: red;\" href='index.php?url=date&date="+(i-firstDay+1)+"_"+theMonth+"'>"+ (i-firstDay+1)+ "</a></td>";
			else content+=(i-firstDay+1)+ "</td>";
			
		}
		if(i%7 ==0 && i!=howManyd)
			{
			content+="</tr><tr></tr>";
			}
	}
	content+="</table>";
	document.getElementById('calendar').innerHTML=content;}