var weekend = [5,6];
var weekendColor = "#F1F1F1";
var fontface = "Verdana";
var fontsize = 2;

var gNow = new Date();
var ggWinCal;

isNav = (navigator.appName.indexOf("Netscape") != -1) ? true : false;
isIE = (navigator.appName.indexOf("Microsoft") != -1) ? true : false;

Calendar.Months = ["Gener", "Febrer", "Març", "Abril", "Maig", "Juny",
"Juliol", "Agost", "Setembre", "Octubre", "Novembre", "Desembre"];

// Non-Leap year Month days..
Calendar.DOMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
// Leap year Month days..
Calendar.lDOMonth = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

function Calendar(p_item, p_WinCal, p_month, p_year, p_format) {
	if ((p_month == null) && (p_year == null))	return;

	if (p_WinCal == null)
		this.gWinCal = ggWinCal;
	else
		this.gWinCal = p_WinCal;
	
	if (p_month == null) {
		this.gMonthName = null;
		this.gMonth = null;
		this.gYearly = true;
	} else {
		this.gMonthName = Calendar.get_month(p_month);
		this.gMonth = new Number(p_month);
		this.gYearly = false;
	}

	this.gYear = p_year;
	this.gFormat = p_format;
	this.gBGColor = "white";
	this.gFGColor = "black";
	this.gTextColor = "black";
	this.gHeaderColor = "black";
	this.gReturnItem = p_item;
}

Calendar.get_month = Calendar_get_month;
Calendar.get_daysofmonth = Calendar_get_daysofmonth;
Calendar.calc_month_year = Calendar_calc_month_year;
Calendar.print = Calendar_print;

function Calendar_get_month(monthNo) {
	return Calendar.Months[monthNo];
}

function Calendar_get_daysofmonth(monthNo, p_year) {
	/* 
	Check for leap year ..
	1.Years evenly divisible by four are normally leap years, except for... 
	2.Years also evenly divisible by 100 are not leap years, except for... 
	3.Years also evenly divisible by 400 are leap years. 
	*/
	if ((p_year % 4) == 0) {
		if ((p_year % 100) == 0 && (p_year % 400) != 0)
			return Calendar.DOMonth[monthNo];
	
		return Calendar.lDOMonth[monthNo];
	} else
		return Calendar.DOMonth[monthNo];
}

function Calendar_calc_month_year(p_Month, p_Year, incr) {
	/* 
	Will return an 1-D array with 1st element being the calculated month 
	and second being the calculated year 
	after applying the month increment/decrement as specified by 'incr' parameter.
	'incr' will normally have 1/-1 to navigate thru the months.
	*/
	var ret_arr = new Array();
	
	if (incr == -1) {
		// B A C K W A R D
		if (p_Month == 0) {
			ret_arr[0] = 11;
			ret_arr[1] = parseInt(p_Year) - 1;
		}
		else {
			ret_arr[0] = parseInt(p_Month) - 1;
			ret_arr[1] = parseInt(p_Year);
		}
	} else if (incr == 1) {
		// F O R W A R D
		if (p_Month == 11) {
			ret_arr[0] = 0;
			ret_arr[1] = parseInt(p_Year) + 1;
		}
		else {
			ret_arr[0] = parseInt(p_Month) + 1;
			ret_arr[1] = parseInt(p_Year);
		}
	}
	
	return ret_arr;
}

function Calendar_print() {
	ggWinCal.print();
}

function Calendar_calc_month_year(p_Month, p_Year, incr) {
	/* 
	Will return an 1-D array with 1st element being the calculated month 
	and second being the calculated year 
	after applying the month increment/decrement as specified by 'incr' parameter.
	'incr' will normally have 1/-1 to navigate thru the months.
	*/
	var ret_arr = new Array();
	
	if (incr == -1) {
		// B A C K W A R D
		if (p_Month == 0) {
			ret_arr[0] = 11;
			ret_arr[1] = parseInt(p_Year) - 1;
		}
		else {
			ret_arr[0] = parseInt(p_Month) - 1;
			ret_arr[1] = parseInt(p_Year);
		}
	} else if (incr == 1) {
		// F O R W A R D
		if (p_Month == 11) {
			ret_arr[0] = 0;
			ret_arr[1] = parseInt(p_Year) + 1;
		}
		else {
			ret_arr[0] = parseInt(p_Month) + 1;
			ret_arr[1] = parseInt(p_Year);
		}
	}
	
	return ret_arr;
}

// This is for compatibility with Navigator 3, we have to create and discard one object before the prototype object exists.
new Calendar();

Calendar.prototype.getMonthlyCalendarCode = function() {
	var vCode = "";
	var vHeader_Code = "";
	var vData_Code = "";
	
	// Begin Table Drawing code here..
	// vCode = vCode + "<TABLE BORDER=1 BGCOLOR=\"" + this.gBGColor + "\">";
	vCode = vCode + "<script>";
	vCode = vCode + "if (navegador==\"ns\") {document.write(\"<table width=164 height=133 background='/img/calendar/fondo_calendario_cast.gif' border=0>\"); }";
	vCode = vCode + "if (navegador==\"ns6\") {document.write(\"<table width=162 height=130 background='/img/calendar/fondo_calendario_cast.gif' border=0>\"); }";
	vCode = vCode + "if (navegador==\"ie\") {document.write(\"<table width=162 height=130 cellpadding=0 background='/img/calendar/fondo_calendario_cast.gif' border=0>\"); }";
	vCode = vCode + "</script>";
	vCode = vCode + "<tr>";
	vCode = vCode + "<td colspan=7 valign=absmiddle><br>";
	vCode = vCode + "<table width=100% height=79% border=0>";
	
	// vHeader_Code = this.cal_header();
	// vData_Code = this.cal_data();
	// vCode = vCode + vHeader_Code + vData_Code;

	vData_Code = this.cal_data();
	vCode = vCode + vData_Code;
	
	vCode = vCode + "</table></td></tr></table>";

	return vCode;
}

Calendar.prototype.show = function() {
	var vCode = "";
	
	this.gWinCal.document.open();

	// Setup the page...
	this.wwrite("<html>");

	this.wwrite("<head>");
	this.wwrite("<title>Capgros.com</title>");
	this.wwrite("<style>");
	// Para el lugar de la fecha
	this.wwrite(".fecha { font-family:verdana; font-size:9.5px; font-weight:bold; color:#27576C; }");
	// Texto que no esta dentro de la tabla (dia, mes)
	this.wwrite(".selector { font-family:verdana; font-size:9.5px; color:#27576C; }");
	// Cabecera de los dias de la semana
	this.wwrite(".calendario { font-family:verdana; font-size:9.5px; background:#FFFFFF; border-color:#87A1AD; border-top-style: solid; border-top-width:1px; border-left-style: solid; border-left-width: 1px; border-right-style: solid; border-right-width: 1px; border-bottom-style: double;  border-bottom-width: 1px; }");
	// Cabecera del calendario
	this.wwrite(".dias { font-family:verdana; font-size:9.5px; background:#C8DBE3; font-weight:bold; color:#27576C; border-bottom-style: solid; border-bottom-width: 1px; }		");
	// Dias normales de la semana
	this.wwrite(".diasemana { font-family:verdana; font-size:9.5px; font-weight:bold; color:#27576C; }");
	// Dias marcados por alguna razon fiesta, evento, etc
	this.wwrite(".diasemana_evento { font-family:verdana; font-size:9.5px; font-weight:bold; color:#FCA409; }");
	this.wwrite("</style>");
	this.wwrite("<script>");
	this.wwrite("var navegador; ");
	this.wwrite("if (document.all) {navegador= \"ie\";} else { if (document.layers){navegador = \"ns\";} else {navegador = \"ns6\";} }");
	this.wwrite("</script>");
	this.wwrite("<link rel=\"stylesheet\" href=\"/incs/img/calendar/calendarvertebra.css\" type=\"text/css\">");
	this.wwrite("<script languaje=\"javascript\">");
	this.wwrite("function refreshCalendar(formulari) {");
	this.wwrite("window.opener.Build(" + "'" + this.gReturnItem + "', formulari.selector_mes.value.toString(), formulari.selector_any.value.toString(), '" + this.gFormat + "');");
	this.wwrite("}");
	this.wwrite("</script>");
	
		
	this.wwrite("</head>");	
	
	this.wwrite("<body bgcolor=#FFFFFF " + 
		"topmargin=0 leftmargin=0 marginwidth=0 marginheight=0 " +
		"link=\"" + this.gLinkColor + "\" " + 
		"vlink=\"" + this.gLinkColor + "\" " +
		"alink=\"" + this.gLinkColor + "\" " +
		"text=\"" + this.gTextColor + "\">");

	this.wwrite("<table width=100% border=0 align=top cellspacing='0' cellpadding='0'><tr>");
	this.wwrite("<td background=\"\" height=30>");
	this.wwrite("</td></tr></table>");

	this.wwrite("<table width=272 height=110 border=0>")
	this.wwrite("<form name=\"calendari\">");
	this.wwrite("<tr><td align=\"center\"><table><tr><td width=30%></td>");
	this.wwrite("<td width=40% align=center bgcolor=#FFFFFF><font class=\"fecha\">");
	this.wwriteA(Calendar.Months[this.gMonth] + " " + this.gYear);
 	this.wwrite("</font></td><td width=30%></td></table>");
	this.wwrite("</td></tr>");

	this.wwrite("<tr><td align=\"center\" bgcolor=\"#FFEFDF\">");
	this.wwrite("&nbsp;<img src=\"/incs/img/fletxa_serveis.gif\" align=absmiddle><b>&nbsp;Mes</b>");
	this.wwrite("&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;");
	this.wwrite("&nbsp;<img src=\"/incs/img/fletxa_serveis.gif\" align=absmiddle><b>&nbsp;Any</b>");
	this.wwrite("</td></tr>");
	
	// Show navigation buttons
	var prevMMYYYY = Calendar.calc_month_year(this.gMonth, this.gYear, -1);
	var prevMM = prevMMYYYY[0];
	var prevYYYY = prevMMYYYY[1];
	var nextMMYYYY = Calendar.calc_month_year(this.gMonth, this.gYear, 1);
	var nextMM = nextMMYYYY[0];
	var nextYYYY = nextMMYYYY[1];
	
	this.wwrite("<tr><td align=\"center\" bgcolor=\"#FFEFDF\">");
	this.wwrite("&nbsp;<a href=\"" +
		"javascript:window.opener.Build(" + 
		"'" + this.gReturnItem + "', '" + prevMM + "', '" + prevYYYY + "', '" + this.gFormat + "'" +
		");" +
		"\">");
	this.wwrite("<img src=\"/incs/img/fletxa_esquerra.gif\" border=0 alt=\"Mes anterior\" align=absmiddle>");
	this.wwrite("</a>&nbsp;");
	
	// Selectores de mes y año
	this.wwrite("<select name=\"selector_mes\" size=1 class=\"selector\" onchange=\"javascript:refreshCalendar(document.forms['calendari']);\">");
	for (var i=0; i<12; i++)
	{
		this.wwrite("<option value=\""+i+"\"");
		if ( this.gMonth == i ) { this.wwrite(" selected"); }
		this.wwrite(">"+Calendar.Months[i]+"</option>");
	}	
	this.wwrite("</select>");
	this.wwrite("<select name=\"selector_any\" size=1 class=\"selector\" onchange=\"javascript:refreshCalendar(document.forms['calendari']);\">");
	for (var i=0; i<=25; i++)
	{
		if ( i.toString().length == 1 ) { var strAny = '200'+i.toString();  }
		else if ( i.toString().length == 2 ) { var strAny = '20'+i.toString(); }
		this.wwrite("<option value=\""+strAny+"\"");
		if ( this.gYear == strAny ) { this.wwrite(" selected"); }
		this.wwrite(">"+strAny+"</option>");
	}	
	this.wwrite("</select>");
	// Fin de selectores	

	this.wwrite("&nbsp;<a href=\"" +
		"javascript:window.opener.Build(" + 
		"'" + this.gReturnItem + "', '" + nextMM + "', '" + nextYYYY + "', '" + this.gFormat + "'" +
		");" +
		"\">");	
	this.wwrite("<img src=\"/incs/img/fletxa_dreta.gif\" border=0 alt=\"Mes siguiente\" align=absmiddle>");
	this.wwrite("</a>&nbsp;");
	this.wwrite("</td></tr>");
	this.wwrite("<tr><td align=\"center\">");
	
	// Get the complete calendar code for the month..
	vCode = this.getMonthlyCalendarCode();
	this.wwrite(vCode);

	this.wwrite("<tr><td align=\"right\">");
	this.wwrite("<a href=\"javascript:window.close();\"><img src=\"/incs/img/fletxa_titol.gif\" align=bottom border=0 alt=\"Cerrar\"></a>");
	this.wwrite("</td></tr>");
	
	this.wwrite("</td></tr></form></table>");	
	this.wwrite("</body></html>");
	this.gWinCal.document.close();
}

Calendar.prototype.wwrite = function(wtext) {
	this.gWinCal.document.writeln(wtext);
}

Calendar.prototype.wwriteA = function(wtext) {
	this.gWinCal.document.write(wtext);
}

Calendar.prototype.cal_header = function() {
	var vCode = "";	
	// vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Dil</B></FONT></TD>";
	return vCode;
}

Calendar.prototype.cal_data = function() {
	var vDate = new Date();
	vDate.setDate(1);
	vDate.setMonth(this.gMonth);
	vDate.setFullYear(this.gYear);

	var vFirstDay=vDate.getDay();
	vFirstDay=vFirstDay-1
	var vDay=1;
	var vLastDay=Calendar.get_daysofmonth(this.gMonth, this.gYear);
	var vOnLastDay=0;
	var vCode = "";

	/*
	Get day for the 1st of the requested month/year..
	Place as many blank cells before the 1st day of the month as necessary. 
	*/

	if ( vFirstDay == -1 ) // Cas especial: el dia 1 cau en diumenge
	{
		vFirstDay = 6 // situar primer dia en diumenge
		// Escriure blancs fins el dissabte
		vCode = vCode + "<tr background=\"\">";
		for (i=0; i<vFirstDay; i++) {
			vCode = vCode + "<td width=23 valign=absmiddle align=center class=\"diasemana\"" + this.write_weekend_string(i) + "></td>";
		}
	
		// Escriure el dia 1 el diumenge
		vCode = vCode + "<td width=23 valign=absmiddle align=center class=\"diasemana\"" + this.write_weekend_string(vFirstDay) + ">" + 
			"<a href='#' " + 
				"onClick=\"self.opener.document." + this.gReturnItem + ".value='" + 
				this.format_data(vDay) + 
				"';window.close();\">" + 
				this.format_day(vDay) + 
			"</a></td>";
		vCode = vCode + "</tr>";
		vDay=vDay + 1;
		vFirstDay=0;
	};
	
	vCode = vCode + "<tr background=\"\">";
	for (i=0; i<vFirstDay; i++) {
		vCode = vCode + "<td width=23 valign=absmiddle align=center class=\"diasemana\"" + this.write_weekend_string(i) + "></td>";
	}

	// Write rest of the 1st week
	for (j=vFirstDay; j<7; j++) {
		vCode = vCode + "<td width=23 valign=absmiddle align=center class=\"diasemana\"" + this.write_weekend_string(j) + ">" + 
			"<a href='#' " + 
				"onClick=\"self.opener.document." + this.gReturnItem + ".value='" + 
				this.format_data(vDay) + 
				"';window.close();\">" + 
				this.format_day(vDay) + 
			"</a></td>";
		vDay=vDay + 1;
	}
	vCode = vCode + "</tr>";

	// Write the rest of the weeks
	for (k=2; k<7; k++) {
		vCode = vCode + "<tr background=\"\">";
		for (j=0; j<7; j++) {
			vCode = vCode + "<td width=23 valign=absmiddle align=center class=\"diasemana\"" + this.write_weekend_string(j) + ">" + 
				"<a href='#' " + 
					"onClick=\"self.opener.document." + this.gReturnItem + ".value='" + 
					this.format_data(vDay) + 
					"';window.close();\">" + 
				this.format_day(vDay) + 
				"</a></td>";
			vDay=vDay + 1;

			if (vDay > vLastDay) {
				vOnLastDay = 1;
				break;
			}
		}

		if (j == 6)
			vCode = vCode + "</tr>";
		if (vOnLastDay == 1)
			break;
	}
	
	// Fill up the rest of last week with proper blanks, so that we get proper square blocks
	for (m=1; m<(7-j); m++) {
		if (this.gYearly)
			vCode = vCode + "<td width=23 valign=absmiddle align=center class=\"diasemana\"" + this.write_weekend_string(j+m) + 
			"><font color='#C0C0C0'> </font></td>";
		else
			vCode = vCode + "<td width=23 valign=absmiddle align=center class=\"diasemana\"" + this.write_weekend_string(j+m) + 
			"><font color='#C0C0C0'>" + m + "</font></td>";
	}
	
	return vCode;
}

Calendar.prototype.format_day = function(vday) {
	var vNowDay = gNow.getDate();
	var vNowMonth = gNow.getMonth();
	var vNowYear = gNow.getFullYear();

	if (vday == vNowDay && this.gMonth == vNowMonth && this.gYear == vNowYear)
		return ("<font color=\"#FCA409\"><b>" + vday + "</b></font>");
	else
		return (vday);
}

Calendar.prototype.write_weekend_string = function(vday) {
	var i;

	// Return special formatting for the weekend day.
	for (i=0; i<weekend.length; i++) {
		if (vday == weekend[i])
			return (" bgcolor=\"" + weekendColor + "\"");
	}
	
	return "";
}

Calendar.prototype.format_data = function(p_day) {
	var vData;
	var vMonth = 1 + this.gMonth;
	vMonth = (vMonth.toString().length < 2) ? "0" + vMonth : vMonth;
	var vMon = Calendar.get_month(this.gMonth).substr(0,3).toUpperCase();
	var vFMon = Calendar.get_month(this.gMonth).toUpperCase();
	var vY4 = new String(this.gYear);
	var vY2 = new String(this.gYear.substr(2,2));
	var vDD = (p_day.toString().length < 2) ? "0" + p_day : p_day;

	switch (this.gFormat) {
		case "MM\/DD\/YYYY" :
			vData = vMonth + "\/" + vDD + "\/" + vY4;
			break;
		case "MM\/DD\/YY" :
			vData = vMonth + "\/" + vDD + "\/" + vY2;
			break;
		case "MM-DD-YYYY" :
			vData = vMonth + "-" + vDD + "-" + vY4;
			break;
		case "MM-DD-YY" :
			vData = vMonth + "-" + vDD + "-" + vY2;
			break;

		case "DD\/MON\/YYYY" :
			vData = vDD + "\/" + vMon + "\/" + vY4;
			break;
		case "DD\/MON\/YY" :
			vData = vDD + "\/" + vMon + "\/" + vY2;
			break;
		case "DD-MON-YYYY" :
			vData = vDD + "-" + vMon + "-" + vY4;
			break;
		case "DD-MON-YY" :
			vData = vDD + "-" + vMon + "-" + vY2;
			break;

		case "DD\/MONTH\/YYYY" :
			vData = vDD + "\/" + vFMon + "\/" + vY4;
			break;
		case "DD\/MONTH\/YY" :
			vData = vDD + "\/" + vFMon + "\/" + vY2;
			break;
		case "DD-MONTH-YYYY" :
			vData = vDD + "-" + vFMon + "-" + vY4;
			break;
		case "DD-MONTH-YY" :
			vData = vDD + "-" + vFMon + "-" + vY2;
			break;

		case "DD\/MM\/YYYY" :
			vData = vDD + "\/" + vMonth + "\/" + vY4;
			break;
		case "DD\/MM\/YY" :
			vData = vDD + "\/" + vMonth + "\/" + vY2;
			break;
		case "DD-MM-YYYY" :
			vData = vDD + "-" + vMonth + "-" + vY4;
			break;
		case "DD-MM-YY" :
			vData = vDD + "-" + vMonth + "-" + vY2;
			break;

		default :
			vData = vMonth + "\/" + vDD + "\/" + vY4;
	}

	return vData;
}

function Build(p_item, p_month, p_year, p_format) {
	var p_WinCal = ggWinCal;
	gCal = new Calendar(p_item, p_WinCal, p_month, p_year, p_format);

	// Customize your Calendar here..
	gCal.gBGColor="white";
	gCal.gLinkColor="black";
	gCal.gTextColor="black";
	gCal.gHeaderColor="";
	gCal.show();
}

function show_calendar() {
	/* 
		p_month : 0-11 for Jan-Dec; 12 for All Months.
		p_year	: 4-digit year
		p_format: Date format (mm/dd/yyyy, dd/mm/yy, ...)
		p_item	: Return Item.
	*/

	p_item = arguments[0];
	if (arguments[1] == null)
		p_month = new String(gNow.getMonth());
	else
		p_month = arguments[1];
	if (arguments[2] == "" || arguments[2] == null)
		p_year = new String(gNow.getFullYear().toString());
	else
		p_year = arguments[2];
	if (arguments[3] == null)
		p_format = "DD/MM/YYYY";
	else
		p_format = arguments[3];

	vWinCal = window.open("", "Calendario", 
		"width=270,height=266,status=no,resizable=no,top=200,left=200");
	vWinCal.opener = self;
	ggWinCal = vWinCal;

	Build(p_item, p_month, p_year, p_format);
}
/*
Yearly Calendar Code Starts here
*/
function show_yearly_calendar(p_item, p_year, p_format) {
	// Load the defaults..
	if (p_year == null || p_year == "")
		p_year = new String(gNow.getFullYear().toString());
	if (p_format == null || p_format == "")
		p_format = "MM/DD/YYYY";

	var vWinCal = window.open("", "Calendari", "scrollbars=yes");
	vWinCal.opener = self;
	ggWinCal = vWinCal;

	Build(p_item, null, p_year, p_format);
}