// 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

//modificato sabatino


var LinguaAttiva;

function visualizzacalendario(giorno,mese,anno,nomeform, lingua) {

             LinguaAttiva=lingua;

	if (eval('document.' + nomeform + "." + giorno + '.value')=='') {
                 Oggi = new Date();
                 show_calendar('document.' + nomeform + "." + giorno, 'document.' + nomeform + "." + mese, 'document.' + nomeform + "." + anno,Oggi.getDate() + "-" + (Oggi.getMonth() + 1) + "-" + Oggi.getFullYear());
             } else {
                 DataEdit=eval('document.' + nomeform + "." + giorno + '.value') + "-";
                 DataEdit+=eval('document.' + nomeform + "." + mese + '.value') + "-";
                 DataEdit+=eval('document.' + nomeform + "." + anno + '.value') ;

                show_calendar('document.' + nomeform + "." + giorno, 'document.' + nomeform + "." + mese, 'document.' + nomeform + "." + anno,DataEdit);
	}
}





function show_calendar(str_giorno, str_mese, str_anno , str_datetime) {

             switch (LinguaAttiva)
                   {
                      case 'italy':
             		var arr_months = ["Gennaio", "Febbraio", "Marzo", "Aprile", "Maggio", "Giugno",
		"Luglio", "Agosto", "Settembre", "Ottobre", "Novembre", "Dicembre"];
		var week_days = ["Do", "Lu", "Ma", "Me", "Gi", "Ve", "Sa"];
	             break;
	             
                     case 'english':
             		var arr_months = ["January", "February", "March", "April", "May", "June",
		"July", "August", "September", "October", "November", "December"];
		var week_days = ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"];
	             break;

                    case 'germany':
             		var arr_months = ["Januar", "Februar", "März", "April", "Mai", "Juni",
		"Juli", "August", "September", "Oktober", "Novembre", "Dezember"];
		var week_days = ["So", "Mo", "Di", "Mi", "Do", "Fr", "Sa"];
	             break;

	 }
              var n_weekstart = 1; // day week starts from (normally 0 or 1)
              str_datetime+= ' 00:00:00';
	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"+
                            "<LINK href=\"/scriptjs/stilecalendario.css\" rel=stylesheet type=text/css>\n"+
		"</head>\n"+
		"<body>\n"+
		"<table class=\"clsOTable\" cellspacing=\"0\" border=\"0\" width=\"100%\">\n"+
		"<tr><td class=\"bordocellecalendario\">\n"+
		"<table cellspacing=\"1\" cellpadding=\"3\" border=\"0\" width=\"100%\">\n"+
		"<tr>\n	<td class=\"intestacalendario\"><a href=\"javascript:window.opener.show_calendar('"+
		str_giorno+"','"+str_mese+"','"+str_anno+"', '"+ dt2dtstr(dt_prev_month)+"'+document.cal.time.value);\">"+
		"<img src=\"\\scriptjs\\prev.gif\" width=\"16\" height=\"16\" border=\"0\""+
		" alt=\"previous month\"></a></td>\n"+
		"	<td class=\"intestacalendario\" colspan=\"5\">"
		+arr_months[dt_datetime.getMonth()]+" "+dt_datetime.getFullYear()+"</td>\n"+
		"	<td class=\"intestacalendario\" align=\"right\"><a href=\"javascript:window.opener.show_calendar('"
		+str_giorno+"','"+str_mese+"','"+str_anno+"', '"+dt2dtstr(dt_next_month)+"'+document.cal.time.value);\">"+
		"<img src=\"\\scriptjs\\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 class=\"cellegiornisettimana\">"+
		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>\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=\"cellagiornocorrente\">";
				else if (dt_current_day.getDay() == 0 || dt_current_day.getDay() == 6)
					// weekend days
					str_buffer += "	<td class=\"cellegiornifestivi\">";
				else
					// print working days of current month
					str_buffer += "	<td class=\"cellegiorniferiali\" >";

				if (dt_current_day.getMonth() == dt_datetime.getMonth())
					// print days of current month
					str_buffer += "<a class=\"giorni\" href=\"javascript:"+
                                                                      "window.opener."+str_giorno+".value='"+GiornoCorrente(dt_current_day)+"';" +
                                                                      "window.opener."+str_mese+".value='"+MeseCorrente(dt_current_day)+"';" +
                                                                      "window.opener."+str_anno+".value='"+AnnoCorrente(dt_current_day)+"';" +
 					"window.close();\">";
				else 
					// print days of other months
					str_buffer += "<a class=\"giorninomesecorrente\" href=\"javascript:" +
                                                                      "window.opener."+str_giorno+".value='"+GiornoCorrente(dt_current_day)+"';" +
                                                                      "window.opener."+str_mese+".value='"+MeseCorrente(dt_current_day)+"';" +
                                                                      "window.opener."+str_anno+".value='"+AnnoCorrente(dt_current_day)+"';" +
 					"window.close();\">";


				str_buffer += dt_current_day.getDate()+"</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></td></tr></table><form name=\"cal\">\n"+
		 "<input type=\"hidden\" name=\"time\" value=\""+dt2tmstr(dt_datetime)+
		 "\" size=\"8\" maxlength=\"8\">\n</form>\n" +
		"</body>\n" +
		"</html>\n";

               
       
	var vWinCal = window.open("", "Calendar", 
		"width=200,height=188,status=no,resizable=yes,top=200,left=200");
        vWinCal.focus();
	vWinCal.opener = self;
	var calc_doc = vWinCal.document;
	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+)\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 GiornoCorrente (dt_datetime) {
	return (new String (
			dt_datetime.getDate()));
}

function MeseCorrente (dt_datetime) {
	return (new String (
			(dt_datetime.getMonth()+1)));
}

function AnnoCorrente (dt_datetime) {
	return (new String (
			dt_datetime.getFullYear()));
}

function dt2tmstr (dt_datetime) {
	//return (new String (
	//		dt_datetime.getHours()+":"+dt_datetime.getMinutes()+":"+dt_datetime.getSeconds()));
	return ""
}

