function calendar(str_target, str_datetime, language, showcalender) { var arr_months = ["Januari", "Februari", "Maart", "April", "Mei", "Juni", "Juli", "Augustus", "September", "Oktober", "November", "December"]; var week_days = ["Zo", "Ma", "Di", "Wo", "Do", "Vr", "Za"]; if (language != null && language == "fr") { arr_months = ["Janvier", "Frevrier", "Mars", "Avril", "Mai", "Juin", "Juillet", "Aout", "Septembre", "Octobre", "Novembre", "Decembre"]; week_days = ["Di", "Lu", "Ma", "Me", "Je", "Ve", "Sa"]; } var n_weekstart = 1; // day week starts from (normally 0 or 1) var to_day = new Date(); var dt_datetime = (str_datetime == null || str_datetime =="" ? new Date() : str2dt2(str_datetime)); var dt_prev_month = new Date(dt_datetime); dt_prev_month.setMonth(dt_datetime.getMonth()-1); if (dt_datetime.getMonth()%12 != (dt_prev_month.getMonth()+1)%12) { dt_prev_month.setMonth(dt_datetime.getMonth()); dt_prev_month.setDate(0); } var dt_next_month = new Date(dt_datetime); dt_next_month.setMonth(dt_datetime.getMonth()+1); if ((dt_datetime.getMonth() + 1)%12 != dt_next_month.getMonth()%12) dt_next_month.setDate(0); var dt_next_year = new Date(dt_datetime); dt_next_year.setFullYear(dt_datetime.getFullYear()+1); var dt_prev_year = new Date(dt_datetime); dt_prev_year.setFullYear(dt_datetime.getFullYear()-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 ( "\n"+ "\n"+ " Calendar\n"+ "\n"+ "\n"+ "\n"+ "\n\n
\n"+ "\n"+ "\n \n"+ "\n"+ " \n"+ " \n"+ "\n" ); var dt_current_day = new Date(dt_firstday); // print weekdays titles str_buffer += "\n"; for (var n=0; n<7; n++) str_buffer += " \n"; // print calendar table str_buffer += "\n"; while (dt_current_day.getMonth() == dt_datetime.getMonth() || dt_current_day.getMonth() == dt_firstday.getMonth()) { // print row heder str_buffer += "\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 += " \n"; dt_current_day.setDate(dt_current_day.getDate()+1); } // print row footer str_buffer += "\n"; } // print calendar footer str_buffer += "
"+ "<<"+ "<"+ "" +arr_months[dt_datetime.getMonth()]+" "+dt_datetime.getFullYear()+""+ ">"+ ">>
"+ ""+ week_days[(n_weekstart+n)%7]+"
"; else if (dt_current_day.getDay() == 0 || dt_current_day.getDay() == 6) // weekend days str_buffer += " "; else // print working days of current month str_buffer += " "; if (dt_current_day.getMonth() == dt_datetime.getMonth()){ // print days of current month if (dt_current_day >= to_day) str_buffer += ""+ ""; else str_buffer += ""; } else { // print days of other months if (dt_current_day >= to_day) str_buffer += ""+ ""; else str_buffer += ""; } str_buffer += dt_current_day.getDate()+"
\n" + "
\n" + "\n" + "\n"; return str_buffer } function show_calendar_from(str_target, str_datetime, language) { var str_buffer = calendar(str_target, str_datetime, language, "show_calendar_from"); var vWinCal = window.open("", "Calendar From", "width=200,height=250,status=no,resizable=yes, top=300, left=600"); vWinCal.opener = self; vWinCal.focus(); var calc_doc = vWinCal.document; calc_doc.write (str_buffer); calc_doc.close(); } function show_calendar_to(str_target, str_datetime, str_datetime_from, language) { var str_buffer ; if (str_datetime == null || str_datetime =="" ) str_buffer = calendar(str_target, str_datetime_from, language, "show_calendar_to"); else str_buffer = calendar(str_target, str_datetime, language, "show_calendar_to"); var vWinCal = window.open("", "Calendar To", "width=200,height=250,status=no,resizable=yes, top=500, left=600"); vWinCal.opener = self; vWinCal.focus(); 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 str2dt2 (str_datetime) { var re_date = /^(\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)); } function dt2dtstr2 (dt_datetime) { return (new String ( padDate(dt_datetime.getDate())+"/"+padDate(dt_datetime.getMonth()+1)+"/"+dt_datetime.getFullYear())); } function padDate(mintendate) { if(mintendate < 10) return "0" + mintendate; else return mintendate; }