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 // Modified by David Beveridge, davidb@nass.com.au to support MySQL timestamp format. var mode; var DateStrMDY; var NeatDateStrMDY; var ErrorStr; function show_cal(f,e) { v = document.forms[f].elements[e].value; t = "document.forms['" + f + "'].elements['" + e + "']"; show_calendar(t,v); } var arr_months = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]; function show_calendar(str_target, str_datetime) { var week_days = ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"]; var n_weekstart = 1; // day week starts from (normally 0 or 1) var dt_datetime = (str_datetime == null || str_datetime =="" ? new Date() : str2dt(str_datetime)); if (ErrorStr) { alert(ErrorStr); str_datetime = new Date(); } 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 if (mode=='datetime') timeStr = " '+document.cal.time.value);\">"; else timeStr = "');\">"; MonthSelect = "\n"; 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 if (mode=="datetime") str_buffer += "\n\n\n"; str_buffer += "

	"+ "" +MonthSelect+" " +"
"+ ""+ 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 (mode=='datetime') timeStr = " '+document.cal.time.value; window.close();\">"; else timeStr = "'; window.close();\">"; if (dt_current_day.getMonth() == dt_datetime.getMonth()) // print days of current month str_buffer += ""; str_buffer += dt_current_day.getDate()+"
"+ ""+ "Time: Help

\n" + "

\n" + "\n" + "\n"; var vWinCal = window.open("", "Calendar", "width=200,height=250,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 wish other datetime format function str2dt (str_datetime) { mode = 'datetime'; ErrorStr = ''; if (String(Number(str_datetime))==str_datetime) { // digits only if (str_datetime.length==14) re_date = /^(\d\d\d\d)(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)$/; else if (str_datetime.length==12) re_date = /^(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)$/; else if (str_datetime.length==8) { re_date = /^(\d\d\d\d)(\d\d)(\d\d)$/; mode='dateonly'; } else if (str_datetime.length==6) { re_date = /^(\d\d)(\d\d)(\d\d)$/; mode='dateonly'; } else ErrorStr = "Invalid All Digits Datetime format: "+ str_datetime +"\nTry YYMMDD, YYYYMMDD or YYYYMMDDHHMMSS."; } else { // digits with separators //if (str_datetime.length>10) re_date = /^(\d+)\-(\d+)\-(\d+)\s+(\d+)\:(\d+)\:(\d+)$/; if (str_datetime.length>10) re_date = /^(\d+).(\d+).(\d+)\s+(\d+).(\d+).(\d+)$/; else { re_date = /^(\d+).(\d+).(\d+)$/; mode='dateonly'; } } if (!re_date.exec(str_datetime)) { if (mode=='dateonly') ErrorStr = "Invalid Datetime format: "+ str_datetime +"\nTry YYYY-MM-DD or YYYYMMDD."; else ErrorStr = "Invalid Datetime format: "+ str_datetime +"\nTry YYYY-MM-DD HH:MM:SS or YYYYMMDDHHMMSS."; return new Date(); } DateStrMDY = String(RegExp.$2) + '-' + String(RegExp.$3) + '-' + String(RegExp.$1); NeatDateStrMDY = arr_months[Number(RegExp.$2)-1] + '-' + String(RegExp.$3) + '-' + String(RegExp.$1); if (Number(RegExp.$1) + Number(RegExp.$2) + Number(RegExp.$3) == 0) return new Date(); if (mode=='datetime') return (new Date (RegExp.$1, RegExp.$2-1, RegExp.$3, RegExp.$4, RegExp.$5, RegExp.$6)); if (mode=='dateonly') return (new Date (RegExp.$1, RegExp.$2-1, RegExp.$3)); return alert("This shouldn't happen!!"); } function str2tm (str_time) { ErrorStr = ''; done = false; Fraction = 0; Days=0; if ((String(Number(str_time))==str_time) || (String(Number(str_time))== '0'+str_time)) { // digits only Hours=0; Minutes=0; if (str_time.length>6) re_time = /^(\d\d)(\d\d)(\d\d)\.(\d+)$/; else if (str_time.length==6) re_time = /^(\d\d)(\d\d)(\d\d)$/; else if (str_time.length==4) re_time = /^(\d\d)(\d\d)$/; else if (str_time.length==2) re_time = /^(\d\d)$/; else re_time=/^(\d)$/; if (!re_time.exec(str_time)) { ErrorStr = "Invalid All Digits Time format: "+ str_time +"\nTry SS, MMSS, or HHMMSS"; return false; } if (str_time.length<=2) Seconds=RegExp.$1; else if (str_time.length==4) { Minutes=RegExp.$1; Seconds=RegExp.$2; } else { Hours=RegExp.$1; Minutes=RegExp.$2; Seconds=RegExp.$3; } if (str_time.length>6) Fraction=RegExp.$4; } else { // digits with separators re_time = /^(\d*?)\s?(\d+):?(\d*):?(\d*)(\.?\d*)$/; if (!re_time.exec(str_time)) { ErrorStr = "Invalid Time format: " + str_time + "\nTry MM:SS, HH:MM:SS or HH:MM:SS.fraction"; return (false); } Seconds = Number(RegExp.$4); Minutes = Number(RegExp.$3); Hours = Number(RegExp.$2); Days = Number(RegExp.$1); Fraction = Number("0" + RegExp.$5); } if (Seconds>59) ErrorStr = "Seconds must be less than 60"; if (Minutes>59) ErrorStr = "Minutes must be less than 60"; if (Days>33) ErrorStr = "Days must be less than 34"; if (ErrorStr) return (false); else return (new Date (0,0,Days,Hours,Minutes,Seconds)); } function dt2dtstr (dt_datetime) { return (new String ( dt_datetime.getFullYear()+"-"+(dt_datetime.getMonth()+1)+"-"+dt_datetime.getDate())); } function dt2tmstr (dt_datetime) { return (new String ( dt_datetime.getHours()+":"+dt_datetime.getMinutes()+":"+dt_datetime.getSeconds())); } function show_help(vURL){ helpWindow = window.open(vURL,'','height=400 width=500 toolbar=no scrollbars=yes resizable=yes'); }// showHelp function show_terms(vURL){ helpWindow = window.open(vURL,'','height=400 width=680 toolbar=no scrollbars=yes resizable=yes'); }// showTerms function isValidDate(dateStr, format) { if (format == null) { format = "MDY"; } format = format.toUpperCase(); if (format.length != 3) { format = "MDY"; } if ( (format.indexOf("M") == -1) || (format.indexOf("D") == -1) || (format.indexOf("Y") == -1) ) { format = "MDY"; } if (format.substring(0, 1) == "Y") { // If the year is first var reg1 = /^\d{2}(\-|\/|\.)\d{1,2}\1\d{1,2}$/ var reg2 = /^\d{4}(\-|\/|\.)\d{1,2}\1\d{1,2}$/ } else if (format.substring(1, 2) == "Y") { // If the year is second var reg1 = /^\d{1,2}(\-|\/|\.)\d{2}\1\d{1,2}$/ var reg2 = /^\d{1,2}(\-|\/|\.)\d{4}\1\d{1,2}$/ } else { // The year must be third var reg1 = /^\d{1,2}(\-|\/|\.)\d{1,2}\1\d{2}$/ var reg2 = /^\d{1,2}(\-|\/|\.)\d{1,2}\1\d{4}$/ } // If it doesn't conform to the right format (with either a 2 digit year or 4 digit year), fail if ( (reg1.test(dateStr) == false) && (reg2.test(dateStr) == false) ) { return false; } var parts = dateStr.split(RegExp.$1); // Split into 3 parts based on what the divider was // Check to see if the 3 parts end up making a valid date if (format.substring(0, 1) == "M") { var mm = parts[0]; } else if (format.substring(1, 2) == "M") { var mm = parts[1]; } else { var mm = parts[2]; } if (format.substring(0, 1) == "D") { var dd = parts[0]; } else if (format.substring(1, 2) == "D") { var dd = parts[1]; } else { var dd = parts[2]; } if (format.substring(0, 1) == "Y") { var yy = parts[0]; } else if (format.substring(1, 2) == "Y") { var yy = parts[1]; } else { var yy = parts[2]; } if (parseFloat(yy) <= 50) { yy = (parseFloat(yy) + 2000).toString(); } if (parseFloat(yy) <= 99) { yy = (parseFloat(yy) + 1900).toString(); } var dt = new Date(parseFloat(yy), parseFloat(mm)-1, parseFloat(dd), 0, 0, 0, 0); if (parseFloat(dd) != dt.getDate()) { return false; } if (parseFloat(mm)-1 != dt.getMonth()) { return false; } return true; } function dateValidator(vDataType,vElement,vElementValue,vAllowNull) { if ((vAllowNull=='YES') && (vElementValue.length==0)) return true; if ((vAllowNull=='YES') && (vElementValue=='0000-00-00')) return true; ErrorStr = ""; if (vDataType=='time') { // check time var tm_time = str2tm(vElementValue); } else { var dt_datetime = str2dt(vElementValue); if (ErrorStr) return(false); if (Number(dt_datetime.getDate())<=0) ErrorStr="Date must be greater than zero"; if (Number(dt_datetime.getMonth())<0) ErrorStr="Month must be greater than zero"; if (Number(dt_datetime.getFullYear())<=0) ErrorStr="Year must be greater than zero"; if (Number(dt_datetime.getHours())>23) ErrorStr="Hours must be less than 24"; if (Number(dt_datetime.getMinutes())>59) ErrorStr="Minutes must be less than 60"; if (Number(dt_datetime.getSeconds())>59) ErrorStr="Seconds must be less than 60"; if (Number(dt_datetime.getDate())>31) ErrorStr="Date must be less than 32"; if (Number(dt_datetime.getMonth())>12) ErrorStr="Month must be less than 13"; if (Number(dt_datetime.getFullYear())>2037) ErrorStr="Year must be less than 2037"; if ((Number(dt_datetime.getFullYear())<1900) && (Number(dt_datetime.getYear())>999)) ErrorStr="Year must be more than 1900"; if ((Number(dt_datetime.getFullYear()<1000)) && (Number(dt_datetime.getYear()>99))) ErrorStr="Year must be 2 digits or 4 digits"; if (ErrorStr) return(false); if (!isValidDate(DateStrMDY, "MDY")) { ErrorStr = "Invalid Date " + NeatDateStrMDY; } } if (ErrorStr) return(false); return(true); }