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 //added for DHTML by LJK used for DHTML only function closeCalendar(cal) { if (document.layers) { document.layers[cal].visibility = "hidden"; } else if(document.all) { document.all[cal].style.visibility = "hidden"; } else { document.getElementById(cal).style.visibility = "hidden"; } } function show_calendar(str_targetday, str_targetmonth, str_targetyear, str_day, str_month, str_year) { var cal = 'cal'; //added for DHTML by LJK var str_targetdayval = "window.opener." + str_targetday + ".value"; var str_targetmonthval = "window.opener." + str_targetmonth + ".value"; var str_targetyearval = "window.opener." + str_targetyear + ".value"; //concatenate input vars back to date format so that date arithmetic can be done more easily var currdate = new Date(); var dt_day = (str_day == null || str_day == "" ? currdate.getDate() : str_day); var dt_month = (str_month == null || str_month == "" ? currdate.getMonth()+1 : str_month); var dt_year = (str_year == null || str_year == "" ? currdate.getFullYear() : str_year); var dt_datetime = str2dt(new String(dt_day + '-' + dt_month + '-' + dt_year)); 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"]; var n_weekstart = 0; // day week starts from (normally 0 or 1) //var dt_datetime = (dt_datetime == null || dt_datetime =="" ? new Date() : str_day + '-' + str_month + '-' + str_year); 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 ( "\n"+ "\n"+ " Calendar\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 += "

"+ str_targetday+"', '" + str_targetmonth + "', '" + str_targetyear + "', '" + dt2day(dt_prev_month) + "', '" + dt2month(dt_prev_month)+"', '" + dt2year(dt_prev_month) + "');\">"+ " $\"previous$	"+ "" +arr_months[dt_datetime.getMonth()]+" "+dt_datetime.getFullYear()+"	"+ str_targetday+"', '" + str_targetmonth + "', '" + str_targetyear + "', '" + dt2day(dt_next_month) + "', '" + dt2month(dt_next_month)+"', '" + dt2year(dt_next_month) + "');\">"+ " $\"next$
"+ ""+ 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()+"

\n" + "

\n" + "\n" + "\n"; //code that displays calendar in popup window var vWinCal = window.open("", "Calendar", "width=200,height=215,status=no,resizable=yes,top=200,left=200"); vWinCal.opener = self; var calc_doc = vWinCal.document; calc_doc.write (str_buffer); calc_doc.close(); //code added by LJK to do DHTML, but commented out for now. /* if (document.layers) { document.layers[cal].visibility = "visible"; document.layers[cal].document.write(str_buffer); document.layers[cal].document.close(); } else if(document.all) { document.all[cal].style.visibility = "visible"; document.all[cal].innerHTML=str_buffer; } else { document.getElementById(cal).style.visibility = "visible"; document.getElementById(cal).innerHTML=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+)$/; //(\d+)\:(\d+)\:(\d+)$/; 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 dt2day (dt_datetime) { return (new String (dt_datetime.getDate())); } function dt2month (dt_datetime) { return (new String (dt_datetime.getMonth()+1)); } function dt2year (dt_datetime) { return (new String (dt_datetime.getFullYear())); }