// Title: Timestamp picker
// Description: See the demo at url
// URL: http://us.geocities.com/tspicker/
// Script featured on: http://javascriptkit.com/script/script2/timestamp.shtml
// Version: 1.0
// Date: 12-05-2001 (mm-dd-yyyy)
// Author: Denis Gritcyuk <denis@softcomplex.com>; <tspicker@yahoo.com>
// Notes: Permission given to use this script in any kind of applications if
//    header lines are left unchanged. Feel free to contact the author
//    for feature requests and/or donations

function show_calendar(str_target, str_datetime) {
  domena="http://kalendarium.naszplan.pl/";
  //alert("target: "+str_target+" i czas: "+str_datetime);
  var dt_dzis = new Date();
	var arr_months = ["Styczeń", "Luty", "Marzec", "Kwiecień", "Maj", "Czerwiec",
		"Lipiec", "sierpień", "Wrzesień", "Październik", "Listopad", "Grudzień"];
	var week_days = ["Ni", "Pon", "Wt", "Śr", "Cz", "Pt", "So"];
	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 (
		//"<html>\n"+
		//"<head>\n"+
		//"	<title>Calendar</title>\n"+
		//"</head>\n"+
		//"<body bgcolor=\"White\">\n"+
		"<table class=\"clsOTable\">\n"+
		"<tr class='kal_przew'>\n"+
    "	<td align=\"left\" colspan=\"2\"><a href=\""+domena+link(dt_prev_month)+"\">"+
		"&lt;Poprz</a></td>\n"+
		"<td align=\"center\" colspan=\"3\"><a href=\""+domena+link(dt_dzis)+"\">\n"+
		"Dzisiaj</a></td>\n"+
		"	<td align=\"right\" colspan=\"2\"><a href=\""+domena+link(dt_next_month)+"\">"+
    "Nast&gt;</a></td>\n</tr>\n"+
		"<tr class='kal_ustaw'>	<td colspan=\"5\">\n<select name='miechy'>"
	);
	
	//
	var i=0;
	while (i<12)
	{
	  nowy_time = new Date(dt_datetime);
	  nowy_time.setMonth(i);
	  if (i==dt_datetime.getMonth()) str_buffer += "<option onClick=\"show_calendar('', '"+ dt2dtstr(nowy_time)+" 13:13:13');\" value='"+arr_months[i]+"' SELECTED>"+arr_months[i]+"</option>";
     else str_buffer += "<option onClick=\"show_calendar('', '"+ dt2dtstr(nowy_time)+" 13:13:13');\" value='"+arr_months[i]+"'>"+arr_months[i]+"</option>";
    i++;
  }
	str_buffer += "</select></td>"+
    "<td colspan=\"2\">"+dt_datetime.getFullYear()+"</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 class='dniTyg'>"+week_days[(n_weekstart+n)%7]+"</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 class='wiersze_dni'>\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 class=\"kal_dzis\" align=\"right\">";
				else if (dt_current_day.getDay() == 0 || dt_current_day.getDay() == 6)
					// weekend days
					str_buffer += "<td class=\"kal_weekend\" align=\"right\">";
				else
					// print working days of current month
					str_buffer += "<td class=\"kal_robocze\" align=\"right\">";

				if (dt_current_day.getMonth() == dt_datetime.getMonth())
				
					// print days of current month
					str_buffer += "<a class='obecny_miesiac' href=\""+domena+link(dt_current_day)+"\">";
          //javascript:window.opener."+str_target+".value='"+dt2dtstr(dt_current_day)+"'+document.cal.time.value; window.close();
          //+
					//"<font color=\"black\" face=\"tahoma, verdana\" size=\"2\">";
				else 
					// print days of other months
					str_buffer += "<a class='inny_miesiac' href=\""+domena+link(dt_current_day)+"\">";
          //javascript:window.opener."+str_target+".value='"+dt2dtstr(dt_current_day)+"'+document.cal.time.value; 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 +=
		//"<form name=\"cal\">\n<tr><td colspan=\"7\" bgcolor=\"#87CEFA\">"+
		//"<font color=\"White\" face=\"tahoma, verdana\" size=\"2\">"+
		//"Time: <input type=\"text\" name=\"time\" value=\""+dt2tmstr(dt_datetime)+
		//"\" size=\"8\" maxlength=\"8\"></font></td></tr>\n</form>\n" +
		"</table>\n";
    //+"</body>\n" +
		//"</html>\n";

	/*var vWinCal = window.open("", "Calendar", 
		"width=200,height=250,status=no,resizable=yes,top=200,left=200");
	vWinCal.opener = self;
	var calc_doc = vWinCal.document;
	calc_doc.write (str_buffer);
	calc_doc.close();*/
	
	//divkal=document.getElementById("divkal");
  //divkal.write(str_buffer);
  //alert("doszlo");
  $("div#divkal").html('');
  $("div#divkal").append(str_buffer);
}
// datetime parsing and formatting routimes. modify them if you wish other datetime format
function str2dt (str_datetime) {
	var re_date = /^(\d+)\-(\d+)\-(\d+)\s+(\d+)\:(\d+)\:(\d+)$/;
	if (!re_date.exec(str_datetime))
		return alert("Invalid Datetime format: "+ str_datetime);
	return (new Date (RegExp.$3, RegExp.$2-1, RegExp.$1, RegExp.$4, RegExp.$5, RegExp.$6));
}

function dt2dtstr(dt_datetime) {
	return (new String (
			dt_datetime.getDate()+"-"+(dt_datetime.getMonth()+1)+"-"+dt_datetime.getFullYear()+" "));
}

function dt_link(dt_datetime) {
	return (new String (
			dt_datetime.getFullYear()+"-"+wiodace((dt_datetime.getMonth()+1))+"-"+wiodace(dt_datetime.getDate())
      //+" "
      ));
}

function wiodace(li)
{
  if (li<10) return(new String("0"+li));
  else return (new String(li))
}

// glowna zarzadzajaca tworzeniem linkow
function link(dana) {
//alert("rok:"+dana.getFullYear());
  if (dana.getFullYear()<2008)
  {
    return (new String ("javascript:window.show_calendar(\'\', \'"+dt2dtstr(dana)+"13:13:13\');"));
  } else {
  //alert(dana.toGMTString());
    return (new String("./"+dt_link(dana)));
  }
}

// niepotrzebne
function dt2tmstr (dt_datetime) {
	return (new String (
			dt_datetime.getHours()+":"+dt_datetime.getMinutes()+":"+dt_datetime.getSeconds()));
}
