var blogentry = new Array();
var curmonth = "4";
var curyear = "2024";

var months = new Array();

months[1] = new Array("janvier", "31");
months[2] = new Array("février");
months[3] = new Array("mars", "31");
months[4] = new Array("avril", "30");
months[5] = new Array("mai", "31");
months[6] = new Array("juin", "30");
months[7] = new Array("juillet", "31");
months[8] = new Array("août", "31");
months[9] = new Array("septembre", "30");
months[10] = new Array("octobre", "31");
months[11] = new Array("novembre", "30");
months[12] = new Array("décembre", "31");

var nbdays = 30;


function changeMonth(action,cat,menu)
{

	with (document)
	{

		if (action == "n")
		{

			for (i = 28; i < 43; i++)
			{
				var dayval = getElementById("cal"+i);
				if (dayval.hasChildNodes())
				{
					if (dayval.childNodes[0].data == nbdays) {daystart = i + 1; break;}
				}
			}

			while (daystart > 7)
			{
				daystart = daystart-7;
			}

			curmonth++;
			if (curmonth == 13) {curmonth = 1; curyear++;}

			if (curmonth == 2)
			{
				if ((curyear % 4 == 0) && ((!(curyear % 100 == 0)) || (curyear % 400 == 0))) {nbdays = 29;} else {nbdays = 28;}
			} else {nbdays = months[curmonth][1];}

		}

		else if (action == "p")
		{

			curmonth--;
			if (curmonth == 0) {curmonth=12; curyear--;}

			for (i = 1; i < 8; i++)
			{
				var dayval = getElementById("cal"+i);
				if (dayval.hasChildNodes())
				{
					if (dayval.childNodes[0].data == "1" || dayval.childNodes[0].nodeName == "A") {daystart = i - 1; break;}
				}
			}

			if (daystart == 0) daystart = 7;

			if (curmonth == 2)
			{
				if ((curyear % 4 == 0) && ((!(curyear % 100 == 0)) || (curyear % 400 == 0))) {nbdays = 29;} else {nbdays = 28;}

			} else {nbdays = months[curmonth][1];}

			days = nbdays;
			while (days > 1)
			{
				daystart--;
				if (daystart == 0) daystart = 7;
				days--;
			}

		}

		var http_request = false;

		if (window.XMLHttpRequest)
		{
			http_request = new XMLHttpRequest();
			if (http_request.overrideMimeType)
			{
				http_request.overrideMimeType('text/xml');
			}
		}
		else if (window.ActiveXObject)
		{
			try {http_request = new ActiveXObject("Msxml2.XMLHTTP");}
			catch (e) {try {http_request = new ActiveXObject("Microsoft.XMLHTTP");} catch (e) {}}
		}

		if (!http_request)
		{
			alert("Erreur : XMLHTTP impossible ! Utilisez un autre navigateur.");
			return false;
		}

		var url = 'http://old.univ-paris-est.fr/script/fetch_info-'+curyear+'-'+curmonth+'-'+menu+'.data';

		http_request.onreadystatechange = function() {getEntries(http_request,cat);};
		http_request.open('GET', url, true);
		http_request.send(null);

	}

}

function getEntries(http_request,cat)
{
	if (http_request.readyState == 4)
	{

		if (http_request.status == 200)
		{

			var redac = new Array();
			if (http_request.responseText != "")
			{
				redac = http_request.responseText.split('|');
			}

			with (document)
			{

				var caltit = getElementById("calpage");
				while (caltit.hasChildNodes())
				{
					caltit.removeChild(caltit.firstChild);
				}

				var boldtext = createElement("a");
				var newcaltit = createTextNode(months[curmonth][0]+" "+curyear);
				boldtext.appendChild(newcaltit);
				var newcaltiturl = "http://old.univ-paris-est.fr/fr/"+cat+"/"+curyear+"/";
				if (curmonth < 10) newcaltiturl += "0";
				newcaltiturl += curmonth+"/";
				boldtext.setAttribute("class","caltitle");
				boldtext.setAttribute("href",newcaltiturl);
   				caltit.appendChild(boldtext);


				for (i = 1; i < 43; i++)
				{
					var rmday = getElementById("cal"+i);
					while (rmday.hasChildNodes())
					{
						rmday.removeChild(rmday.firstChild);
					}
					rmday.className = 'emptytd';
				}


				for (i = 1; i <= nbdays; i++)
				{

					var newday = getElementById("cal"+daystart);

					var dayfound = 0;
	
					for (j = 0; j < redac.length; j++)
					{
						if (redac[j] == i)
						{
							var newlink = createElement("a");
							var daytn = createTextNode(i);
							newlink.appendChild(daytn);
							if (redac[j].length == 1) {var curday = "0" + redac[j];} else {var curday = redac[j];}
							var newurl = "http://old.univ-paris-est.fr/fr/"+cat+"/"+curyear+"/";
							if (curmonth < 10) newurl += "0";
							newurl += curmonth+"/"+curday+"/";
							newlink.setAttribute("href",newurl);
							newlink.setAttribute("class","callink");
							newday.appendChild(newlink);
							dayfound = 1; break;
						}
					}
	
					if (dayfound == 0)
					{
						var daytn = createTextNode(i);
						newday.appendChild(daytn);	
					}

					if (curyear == 2024 && curmonth == 4 && i == 27) {newday.className='caltoday';}
					else {newday.className='caltd';}

					daystart++;

				}

			}

		}
	}
			
}