function maxDays(mm, yyyy){

	var mDay;

	if ((mm == 3) || (mm == 5) || (mm == 8) || (mm == 10)) {

		mDay = 30;

	} else {

		mDay = 31;

		if (mm == 1) {

			if (yyyy/4 - parseInt(yyyy/4) != 0) {

				mDay = 28;

			} else {

				mDay = 29;

			}

		}

	}

	return mDay;

}



function selectDay(id){

	calendar_selected_day 	= calendar_arrN[id];

	calendar_selected_month = calendar_currM+1;

	calendar_selected_year 	= calendar_currY;

	if ( id <= ii_prevmonth ) {

		if (calendar_currM == 0) {

			calendar_selected_month = 12;

			calendar_selected_year = calendar_currY-1;

		} else {

			calendar_selected_month = calendar_currM;

		}		

	}

	if ( id >= ii_nextmonth ) {

		if ( calendar_currM == 11 ) {

			calendar_selected_month = 1;

			calendar_selected_year = calendar_currY + 1;

		} else {

			calendar_selected_month = calendar_currM + 2;

		}		

	}

	//alert( calendar_selected_year + "-" + IntFormat(calendar_selected_month,2) + "-" +  IntFormat(calendar_selected_day,2));

	document.forms["calendar_search"]["dates"].value = calendar_selected_year + "-" + IntFormat(calendar_selected_month,2) + "-" +  IntFormat(calendar_selected_day,2);

	document.forms["calendar_search"].submit();

}



function writeCalendar( lng ){



	var calendar_now = new Date;

	var calendar_dd = calendar_now.getDay();

	var calendar_mm = calendar_now.getMonth();

	var calendar_yyyy = calendar_now.getFullYear();

	if		( lng == 'fr' )	var calendar_arrD = new Array("D","L","M","M","J","V","S");

	else if ( lng == 'en' )	var calendar_arrD = new Array("S","M","T","W","T","F","S","S");

	else					var calendar_arrD = new Array("Z","M","D","W","D","V","Z","Z");

	

	var calendar = "";

	calendar = "<table width=154>";

	calendar += "<form name=calendar_form>";

	calendar += "<input type=\"hidden\" name=\"calendar_cDay\" value=\"" + calendar_dd + "\" />";

	calendar += "<input type=\"hidden\" name=\"calendar_cMonth\" value=\"" + calendar_mm + "\" />";

	calendar += "<input type=\"hidden\" name=\"calendar_cYear\" value=\"" + calendar_yyyy + "\" />";

	calendar += "<input type=\"hidden\" name=\"calendar_cSection\" value=\"\" />";

	calendar += "<tr><td width=10 height=25><a href=\"javascript:changeCal('" + lng + "','prev');\"><</a></td><td align=center width=134><div id=cMonth style=\"font-weight: bold;\">month</div></td><td width=10 align=right><a href=\"javascript:changeCal('" + lng + "','next');\">></a></td></tr>";

	calendar += "</form>";

	calendar += "</table>";

	calendar += "<table width=\"154\">";

	calendar += "<tr height=20>";

	for ( ii=0 ; ii<=6 ; ii++ ) {

		calendar += "<td align=center width=\"22\"><strong>" + calendar_arrD[ (ii<6)?(ii+1):0 ] + "</strong></td>";

	}

	calendar += "</tr>";

	aa = 1;

	for ( kk=0 ; kk<=5 ; kk++ ) {

		calendar += "<tr height=20>";

		for ( ii=0 ; ii<=6 ; ii++ ) {

			calendar += "<td align=\"center\" class=\"td" + aa + "\" id=\"td" + aa + "\"><a href=\"javascript:selectDay(" + aa + ")\" id=sp" + aa + ">"+aa+"</span></td>";

			aa += 1;

		}

		calendar += "</tr>";

	}

	calendar += "</table>";

	

	document.write(calendar);

	

	changeCal(lng);

}

function CalendarChangeMonth(lng,direct){

		var myDate = direct.split("-");

		if ( myDate.length > 1 ){

			document.calendar_form.calendar_cMonth.value = parseInt(myDate[1],10)-1;

			document.calendar_form.calendar_cYear.value = myDate[0];



		}

	changeCal(lng);

}

function CalendarChangeSection(lng,sec){

	document.calendar_form.calendar_cSection.value = sec;

	changeCal(lng);

}

function changeCal(lng,direct){

	

	// change month -----------------------------------------------------------

	if (direct=="prev") {

		document.calendar_form.calendar_cMonth.value = parseInt(document.calendar_form.calendar_cMonth.value)-1;

		if (document.calendar_form.calendar_cMonth.value < 0) {

			document.calendar_form.calendar_cMonth.value = 11;

			document.calendar_form.calendar_cYear.value = parseInt(document.calendar_form.calendar_cYear.value)-1;

		}

	} else if (direct=="next") {

		document.calendar_form.calendar_cMonth.value = parseInt(document.calendar_form.calendar_cMonth.value)+1;

		if (document.calendar_form.calendar_cMonth.value>11) {

			document.calendar_form.calendar_cMonth.value = 0;

			document.calendar_form.calendar_cYear.value = parseInt(document.calendar_form.calendar_cYear.value)+1;

		}

	}

	// ------------------------------------------------------------------------



	if		( lng == 'fr' )	var calendar_arrM = new Array("Janvier","Février","Mars","Avril","Mai","Juin","Juillet","Août","Septembre","Octobre","Novembre","Décembre");

	else if ( lng == 'en' )	var calendar_arrM = new Array("January","February","March","April","May","June","July","August","September","October","November","December");

	else					var calendar_arrM = new Array("Januari","Februari","Maart","April","Mei","Juni","Juli","Augustus","September","Oktober","November","December");



	var calendar_now = new Date;

	var calendar_dd = calendar_now.getDate();

	var calendar_mm = calendar_now.getMonth();

	var calendar_yyyy = calendar_now.getFullYear();

	calendar_currM = parseInt(document.calendar_form.calendar_cMonth.value);

	calendar_currY = parseInt(document.calendar_form.calendar_cYear.value);

	var cSection_a = document.calendar_form.calendar_cSection.value;

	cSection = cSection_a.substr(8);

	

	var calendar_prevM = 11;

	calendar_arrN = new Array(42);

	var calendar_arrDate = new Array(42);



	// write month ------------------------------------------------------------

	document.getElementById("cMonth").innerHTML = calendar_arrM[ calendar_currM ] + ' ' + calendar_currY;

	// ------------------------------------------------------------------------

	

	// previous month for number of days --------------------------------------

	if (calendar_currM!=0) calendar_prevM = calendar_currM - 1;

	// ------------------------------------------------------------------------

	

	// define first day of the month ------------------------------------------

	var calendar_mmyyyy = new Date();

	calendar_mmyyyy.setFullYear(calendar_currY)

	calendar_mmyyyy.setMonth(calendar_currM)

	calendar_mmyyyy.setDate(1)

	var calendar_day1 = calendar_mmyyyy.getDay();

	// ------------------------------------------------------------------------

	

	// fill in arrN -----------------------------------------------------------

	var aa;

	if (calendar_day1 < 0) calendar_day1 = 7;

	// previous month

	for (ii=0;ii<calendar_day1;ii++) { 

		calendar_arrN[ii] = maxDays((calendar_prevM),calendar_currY) - calendar_day1 + ii + 1;

	}

	// current month

	aa = 1;

	for (ii=calendar_day1;ii<=calendar_day1+maxDays(calendar_currM,calendar_currY)-1;ii++) { 

		calendar_arrN[ii] = aa;

		calendar_arrDate[ii] = calendar_currY+'-'+(IntFormat(calendar_currM+1,2))+'-'+IntFormat(aa,2);

		aa++;

	}

	// next month

	aa = 1;

	for (ii=calendar_day1+maxDays(calendar_currM,calendar_currY);ii<=42;ii++) { 

		calendar_arrN[ii] = aa;

		aa++;

	}

	// ------------------------------------------------------------------------



	// fill in calendar with arrN content -----------------------------------------

	var dCount = 0;

	ii_nextmonth = 0;

	ii_prevmonth = 0;

	

//	c_calendar_activitydates = eval ( 'calendar_activitydates' + document.calendar_form.calendar_cSection.value );

	 eval ( 'c_calendar_activitydates = calendar_activitydates' + cSection +';'  );

	

		



	

	

	for (ii=1;ii<=42;ii++) {

		// previous + next month

		if (((ii<7)&&(calendar_arrN[ii]>20))||((ii>27)&&(calendar_arrN[ii]<20))){

			document.getElementById("sp"+ii).innerHTML = calendar_arrN[ii];

			document.getElementById("td"+ii).className = "calendar3";

			

			

			if ((ii<7)&&(calendar_arrN[ii]>20)) ii_prevmonth = ii;

			if ((ii>27)&&(calendar_arrN[ii]<20)&&(ii_nextmonth==0)) ii_nextmonth = ii;

			

			

		} else { // current month

			document.getElementById("sp"+ii).innerHTML = calendar_arrN[ii];

			

			if ( c_calendar_activitydates ) {

				document.getElementById("td"+ii).className = ( in_array( calendar_arrDate[ii] , c_calendar_activitydates)) ? "calendar5" : "calendar2";

			} else {

				document.getElementById("td"+ii).className = "calendar2";

			}

			 

			

			/*

			if ((dCount==0)||(dCount==6)){ // weekend

				document.getElementById("td"+ii).className = "calendar2";

			} else { // rest of the week

				document.getElementById("td"+ii).className = "calendar1";

			}

			*/

			

			

			

			 // current day

			if ((calendar_arrN[ii]==calendar_dd)&&(calendar_mm==calendar_currM)&&(calendar_yyyy==calendar_currY)) 

				document.getElementById("td"+ii).className = "calendar4";

		}

		dCount += 1;

		if (dCount>6) dCount=0;

	}

	// ------------------------------------------------------------------------

}



function changeButton(term) {

	document.getElementById("tools_agenda_submit").innerHTML = term;

}