ÿþvar calc_doc;



function getCalcDoc()

{

	return calc_doc;

}



function showCalendarHere(str_target, str_datetime)

{

	window.opener.getCalcDoc().getElementById('cont').innerHTML = getData( str_target, str_datetime );

}



function getData( str_target, str_datetime )

{

	var arr_months = ["StyczeD
", "Luty", "Marzec", "KwiecieD
", "Maj", "Czerwiec",

		"Lipiec", "SierpieD
", "WrzesieD
", "Padziernik", "Listopad", "GrudzieD
"];

	var week_days = ["Nd", "Pon", "Wt", "Z
r", "Czw", "Pt", "Sob"];

	var n_weekstart = 1; // day week starts from (normally 0 or 1)



	var dt_datetime = (str_datetime == null || str_datetime =="" ?  new Date() : str2dt(str_datetime));

	var dt_prev_month = new Date(dt_datetime);

	dt_prev_month.setMonth(dt_datetime.getMonth()-1);

	var dt_next_month = new Date(dt_datetime);

	dt_next_month.setMonth(dt_datetime.getMonth()+1);

	var dt_firstday = new Date(dt_datetime);

	dt_firstday.setDate(1);

	dt_firstday.setDate( 1 - ( 7 + dt_firstday.getDay() - n_weekstart ) %7 );

	var dt_lastday = new Date(dt_next_month);

	dt_lastday.setDate(0);

	

	// html generation (feel free to tune it for your particular application)

	// print calendar header

	var str_buffer = new String (

		"<table class=\"clsOTable\" cellspacing=\"0\" border=\"0\" width=\"100%\">\n"+

		"<tr><td bgcolor=\"#4682B4\">\n"+

		"<table cellspacing=\"1\" cellpadding=\"3\" border=\"0\" width=\"100%\">\n"+

		"<tr>\n	<td bgcolor=\"#4682B4\"><a href=\"#\" onClick=\"showCalendarHere('"+

		str_target+"', '"+ dt2dtstr(dt_prev_month)+"');return false;\">"+

		"<img src=\""+baseHr+"html/gfx/calendar/prev.gif\" width=\"16\" height=\"16\" border=\"0\""+

		" alt=\"previous month\"></a></td>\n"+

		"	<td bgcolor=\"#4682B4\" colspan=\"5\">"+

		"<font color=\"white\" face=\"tahoma, verdana\" size=\"2\">"

		+arr_months[dt_datetime.getMonth()]+" "+dt_datetime.getFullYear()+"</font></td>\n"+

		"	<td bgcolor=\"#4682B4\" align=\"right\"><a href=\"#\" onClick=\"showCalendarHere('"

		+str_target+"', '"+dt2dtstr(dt_next_month)+"');return false;\">"+

		"<img src=\""+baseHr+"html/gfx/calendar/next.gif\" width=\"16\" height=\"16\" border=\"0\""+

		" alt=\"next month\"></a></td>\n</tr>\n"

	);



	var dt_current_day = new Date(dt_firstday);

	// print weekdays titles

	str_buffer += "<tr>\n";

	for (var n = 0; n < 7; n++)

		str_buffer += "	<td bgcolor=\"#87CEFA\">"+

		"<font color=\"white\" face=\"tahoma, verdana\" size=\"2\">"+

		week_days[(n_weekstart+n)%7]+"</font></td>\n";

	// print calendar table

	str_buffer += "</tr>\n";

	while (dt_current_day.getMonth() == dt_datetime.getMonth() ||

		dt_current_day.getMonth() == dt_firstday.getMonth()) {

		// print row heder

		str_buffer += "<tr>\n";

		for (var n_current_wday=0; n_current_wday<7; n_current_wday++) {

				if (dt_current_day.getDate() == dt_datetime.getDate() &&

					dt_current_day.getMonth() == dt_datetime.getMonth())

					// print current date

					str_buffer += "	<td bgcolor=\"#FFB6C1\" align=\"right\">";

				else if (dt_current_day.getDay() == 0 || dt_current_day.getDay() == 6)

					// weekend days

					str_buffer += "	<td bgcolor=\"#DBEAF5\" align=\"right\">";

				else

					// print working days of current month

					str_buffer += "	<td bgcolor=\"white\" align=\"right\">";



				if (dt_current_day.getMonth() == dt_datetime.getMonth())

					// print days of current month

					str_buffer += "<a href=\"javascript:window.opener."+str_target+

					".value='"+dt2dtstr(dt_current_day)+"'; window.close();\">"+

					"<font color=\"black\" face=\"tahoma, verdana\" size=\"2\">";

				else 

					// print days of other months

					str_buffer += "<a href=\"javascript:window.opener."+str_target+

					".value='"+dt2dtstr(dt_current_day)+"'; window.close();\">"+

					"<font color=\"gray\" face=\"tahoma, verdana\" size=\"2\">";

				str_buffer += dt_current_day.getDate()+"</font></a></td>\n";

				dt_current_day.setDate(dt_current_day.getDate()+1);

		}

		// print row footer

		str_buffer += "</tr>\n";

	}

	// print calendar footer

	str_buffer +=

		"</table>\n" +

		"</tr>\n</td>\n</table>\n";

		

	return str_buffer;

}



function show_calendar_second(str_target, str_datetime)

{

	var vWinCal = window.open(null, null, "width=200,height=200,status=0,resizable=0,top=200,left=200,titlebar=0,menubar=0,toolbar=0,location=0");

	calc_doc = vWinCal.document;

	

	var str_buffer = "<html>\n<head>\n<title>Kalendarz</title>\n<script language=\"JavaScript\" src=\""+baseHr+"html/js/calendar.js\"></script></head>\n<body bgcolor=\"White\">\n<div id='cont'>";

	str_buffer += getData( str_target, str_datetime, calc_doc );

	str_buffer +=  "</div></body>\n</html>\n";

	

	calc_doc.write (str_buffer);

	calc_doc.close();

}



function show_calendar(str_target, str_datetime)

{

	var vWinCal = window.open(null, null, "width=200,height=200,status=0,resizable=0,top=200,left=200,titlebar=0,menubar=0,toolbar=0,location=0");

	vWinCal.opener = self;

	var calc_doc = vWinCal.document;

	self.calc_doc = vWinCal.document;

	

	var str_buffer = "";

	str_buffer +=  "<html>\n<head><script>var baseHr='"+baseHr+"'</script>\n<title>Kalendarz</title>\n<script language=\"JavaScript\" src=\""+baseHr+"html/js/calendar.js\"></script></head>\n<body bgcolor=\"White\">\n<div id='cont'>";

	str_buffer += getData( str_target, str_datetime, calc_doc );

	str_buffer +=  "</div></body>\n</html>\n";

	

	calc_doc.write (str_buffer);

	calc_doc.close();

}

// datetime parsing and formatting routimes. modify them if you wish other datetime format

function str2dt (str_datetime) {

	var re_date = /^(\d+)\-(\d+)\-(\d+)$/;

	if (!re_date.exec(str_datetime))

		return alert("Nieprawidowy format daty: "+ str_datetime);

	return (new Date (RegExp.$3, RegExp.$2-1, RegExp.$1));

}

function dt2dtstr (dt_datetime) {

	return (new String (

			dt_datetime.getDate()+"-"+(dt_datetime.getMonth()+1)+"-"+dt_datetime.getFullYear()));

}



function next_day()

{

	if(document.form.data.value != '')

	{

		var next_day = str2dt(document.form.data.value);

		next_day.setDate(next_day.getDate()+1);

		document.form.data.value = dt2dtstr(next_day);

	}

}



function prev_day()

{

	if(document.form.data.value != '')

	{

		var next_day = str2dt(document.form.data.value);

		next_day.setDate(next_day.getDate()-1);

		document.form.data.value = dt2dtstr(next_day);

	}

}



function next_day2()

{

	if(document.form.data2.value != '')

	{

		var next_day = str2dt(document.form.data2.value);

		next_day.setDate(next_day.getDate()+1);

		document.form.data2.value = dt2dtstr(next_day);

	}

}



function prev_day2()

{

	if(document.form.data2.value != '')

	{

		var next_day = str2dt(document.form.data2.value);

		next_day.setDate(next_day.getDate()-1);

		document.form.data2.value = dt2dtstr(next_day);

	}

}



function str2time (str_datetime) {

	var re_date = /^(\d+)\-(\d+)\-(\d+)-(\d+)$/;

	if (!re_date.exec(str_datetime))

		return;

		

	return (new Date (RegExp.$4, RegExp.$3-1, RegExp.$2, RegExp.$1));

}





function prev_hour()

{

	var hour = parseInt(document.form.hour.value)

	

	if(document.form.hour.value != '' && hour > 0)

	{

		var prev_hour = hour - 1;

		document.form.hour.value = prev_hour;

	}

	

	if(document.form.hour.value != '' && hour == 0)

	{

		document.form.hour.value = 23;

	}

}



function next_hour()

{

	var hour = parseInt(document.form.hour.value)

	

	if(document.form.hour.value != '' && hour < 23)

	{

		var next_hour = hour + 1;

		document.form.hour.value = next_hour;

	}

	

	if(document.form.hour.value != '' && hour == 23)

	{

		document.form.hour.value = 'z00';

	}

}



function prev_hour2()

{

	var hour = parseInt(document.form.hour2.value)

	

	if(document.form.hour2.value != '' && hour > 0)

	{

		var prev_hour = hour - 1;

		document.form.hour2.value = prev_hour;

	}

	

	if(document.form.hour2.value != '' && hour == 0)

	{

		document.form.hour2.value = 23;

	}

}



function next_hour2()

{

	var hour = parseInt(document.form.hour2.value)

	

	if(document.form.hour2.value != '' && hour < 23)

	{

		var next_hour = hour + 1;

		document.form.hour2.value = next_hour;

	}

	

	if(document.form.hour2.value != '' && hour == 23)

	{

		document.form.hour2.value = 'z00';

	}

}