Calendar

// Title: Date 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 //------------------------------------------------------------------------------ // Modified 2002-05-08 by Michael Luton // * Returns date in ISO standard format. // * Removed the time component since it wasn't desired // // Modified 2004-01-29 by Matthew Marcus // * Returns date in Australian/European format (dd/mm/yyyy) //------------------------------------------------------------------------------ function show_calendar(str_target, str_datetime) { 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 = (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 ( "\n" + "\n" + "\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 += "

" + " $\"previous$	" + "" +arr_months[dt_datetime.getMonth()]+" "+dt_datetime.getFullYear()+"	"+ " $\"next$
"+ 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"; var vWinCal = window.open("", "Calendar", "width=200,height=210,status=no,resizable=yes,top=200,left=200"); vWinCal.opener = self; var calc_doc = vWinCal.document; calc_doc.write (str_buffer); calc_doc.close(); } //------------------------------------------------------------------------------ // Convert the passed-in Australian/European date string to a Date object. //------------------------------------------------------------------------------ function str2dt (strDate) { var re_date = /^(\d+)\/(\d+)\/(\d+)$/; if (!re_date.exec(strDate)) { return alert("Invalid Datetime format: "+ strDate); } return (new Date (RegExp.$3, RegExp.$2-1, RegExp.$1)); } //------------------------------------------------------------------------------ // dt2dtstr // Convert the passed-in Date object to the appropriate string format. //------------------------------------------------------------------------------ function dt2dtstr (selectedDate) { var selectedYear = selectedDate.getFullYear(); var selectedMonth = selectedDate.getMonth() + 1; var selectedDay = selectedDate.getDate(); return selectedDay + "/" + selectedMonth + "/" + selectedYear; }