Calendar

// 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 ; // 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 // Date: 12-08-2004 // Author: Ed Lowe // Notes: Modified to suit Infovision Technology's AmLib Net application // - Added the bTime parameter to indicate whether Time is being used and modified // the code accordingly. // - Converted to dd/mm/yyyy and dd mmm yyyy date formats // - Added next and prev year buttons // - Added 'sliding century' to date validation 0 - 29 assumed to be 2000s 30-100 assumed to be 1900s function show_calendar(str_target, str_datetime, bTime) { var arr_months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; var week_days = ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"]; var n_weekstart = 1; // day week starts from (normally 0 or 1) var sTime; if(bTime) sTime = 'true'; else sTime = 'false'; var dt_datetime = (str_datetime == null || str_datetime =="" ? new Date() : str2dt(str_datetime, bTime)); var dt_prev_year = new Date(dt_datetime); dt_prev_year.setYear(dt_datetime.getYear() - 1); 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_next_year = new Date(dt_datetime); dt_next_year.setYear(dt_datetime.getYear() + 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" ); 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 if(bTime) str_buffer += "\n\n\n" + "

" + " $\"previous$ "+ "" + " $\"previous$	"+ "" +arr_months[dt_datetime.getMonth()]+" "+dt_datetime.getFullYear()+"	"+ " $\"next$ " + ""+ " $\"next$
"+ ""+ 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 str_buffer += ""+ ""; else // print days of other months str_buffer += ""+ ""; str_buffer += dt_current_day.getDate()+"
"+ ""+ "Time:

\n" + "

\n" + "\n" + "\n"; else str_buffer += "\n" + "\n" + "\n\n\n" + "\n" + "\n"; var sHeight; if(bTime) sHeight = "250"; else sHeight = "220"; var vWinCal = window.open("", "Calendar", "width=220,height=" + sHeight + ",status=no,resizable=yes,top=200,left=200"); 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 want other datetime format function str2dt (str_datetime, bTime) { var re_dateA; var re_dateN; var fixedYear = 1900; if(bTime) { // Date and Time are being set // dd mmm yyyy hh:nn re_dateA = /^(\d+)\s(\w\w\w)\s(\d+)\s+(\d+):(\d+)/; // dd/mm/yyyy hh:nn re_dateN = /^(\d+)\/(\d+)\/(\d+)\s+(\d+):(\d+)/; if(re_dateA.exec(str_datetime)) { return new Date(str_datetime); } else if(re_dateN.exec(str_datetime)) { if(RegExp.$3 < 100) { if(RegExp.$3 >= 0 && RegExp.$3 < 30) fixedYear = 2000 + parseInt(RegExp.$3, 10); if(RegExp.$3 >= 30 && RegExp.$3 < 100) fixedYear = 1900 + parseInt(RegExp.$3, 10); } else fixedYear = parseInt(RegExp.$3); return (new Date (fixedYear, RegExp.$2-1, RegExp.$1, RegExp.$4, RegExp.$5)); } else { alert("Invalid Date-time format: \n\n You entered "+ str_datetime + "\n\nTry dd/mm/yyyy hh:nn or dd mmm yyyy hh:nn"); return new Date(); } } else { // Date only // dd mmm yyyy re_dateA = /^(\d+)\s(\w\w\w)\s(\d+)/; // dd/mm/yyyy re_dateN = /^(\d+)\/(\d+)\/(\d+)/; if(re_dateA.exec(str_datetime)) { return new Date(str_datetime); } else if(re_dateN.exec(str_datetime)) { if(RegExp.$3 < 100) { if(RegExp.$3 >= 0 && RegExp.$3 < 30) fixedYear = 2000 + parseInt(RegExp.$3, 10); if(RegExp.$3 >= 30 && RegExp.$3 < 100) fixedYear = 1900 + parseInt(RegExp.$3, 10); } else fixedYear = parseInt(RegExp.$3); return (new Date (fixedYear, RegExp.$2-1, RegExp.$1)); } else { alert("Invalid Date format: \n\n You entered "+ str_datetime + "\n\nTry dd/mm/yyyy or dd mmm yyyy"); return new Date(); } } } function dt2dtstr (dt_datetime) { var sDate; var sMonth; var sYear; var arr_months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; sMonth = arr_months[dt_datetime.getMonth()]; return (new String (dt_datetime.getDate()+" "+ sMonth +" "+dt_datetime.getFullYear())); } function dt2tmstr (dt_datetime) { //return (new String (" " + dt_datetime.getHours()+":"+dt_datetime.getMinutes())); return (new String (" " + ZeroFill(dt_datetime.getHours(), 2)+":"+ZeroFill(dt_datetime.getMinutes(),2))); } function CheckDate(dateString, bTime) { if (dateString == "") return true; return str2dt(dateString, bTime); } function ZeroFill(val, fillSize) { // Convert the numeric value to a string and get its length var valStr = val.toString(); var valLen = valStr.length; // Initialise the filler variable and calculate its length var filler = ""; fillSize = fillSize - valLen; // Build the filler variable for(x=0; x < fillSize; x++) { filler = filler + "0"; } // Concatenate the filler and the string value valStr = filler + valStr; return valStr; }