function chk_fecha(jsp_obj) { var datefield = jsp_obj; if (chkdate(datefield) == false) { datefield.select(); alert("La fecha es inválida. Por favor ingresela en formato DD/MM/AAAA."); datefield.focus(); return false; } else { return true; } } function chk_num(jsp_num) { if (jsp_num<10) { return '0'+jsp_num; } else { return jsp_num; } } function chkdate(jsp_obj) { var strDate; var strDateArray; var strDay; var strMonth; var strYear; var intday; var intMonth; var intYear; var booFound = false; var datefield = jsp_obj; var strSeparatorArray = new Array("-"," ","/","."); var intElementNr; var err = 0; strDate = datefield.value; if (strDate.length < 1) { return true; } if (strDate.length != 6 && strDate.length != 10) { return false; } if (strDate.length == 6) { datefield.value=strDate.substr(1,2)+'/'+strDate.substr(3,2)+'/'+strDate.substr(5,2) } for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++) { if (strDate.indexOf(strSeparatorArray[intElementNr]) != -1) { strDateArray = strDate.split(strSeparatorArray[intElementNr]); if (strDateArray.length != 3) { err = 1; return false; } else { strDay = strDateArray[0]; strMonth = strDateArray[1]; strYear = strDateArray[2]; } booFound = true; } } if (booFound == false) { if (strDate.length>5) { strDay = strDate.substr(0, 2); strMonth = strDate.substr(2, 2); strYear = strDate.substr(4); } } intday = parseInt(strDay, 10); if (isNaN(intday)) { err = 2; return false; } intMonth = parseInt(strMonth, 10); if (isNaN(intMonth)) { err = 3; return false; } intYear = strYear; if (isNaN(intYear)) { err = 4; return false; } if (intMonth>12 || intMonth<1) { err = 5; return false; } if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || intday < 1)) { err = 6; return false; } if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || intday < 1)) { err = 7; return false; } if (intMonth == 2) { if (intday < 1) { err = 8; return false; } if (LeapYear(intYear) == true) { if (intday > 29) { err = 9; return false; } } else { if (intday > 28) { err = 10; return false; } } } datefield.value = chk_num(intday) + "/" + chk_num(intMonth) + "/" + strYear; return true; } function LeapYear(jsp_year) { if (jsp_year % 100 == 0) { if (jsp_year % 400 == 0) { return true; } } else { if ((jsp_year % 4) == 0) { return true; } } return false; } function show_calendar(str_target, str_datetime) { var arr_months = ["ENERO", "FEBRERO", "MARZO", "ABRIL", "MAYO", "JUNIO", "JULIO", "AGOSTO", "SEPTIEMBRE", "OCTUBRE", "NOVIEMBRE", "DICIEMBRE"]; var week_days = ["DOM", "LUN", "MAR", "MIE", "JUE", "VIE", "SAB"]; 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)); 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"+ " Calendario\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 += "\n\n" + "
"+ ""+ "" +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 str_buffer += ""+ ""; else // print days of other months str_buffer += ""+ ""; str_buffer += frmdate(dt_current_day.getDate())+"
\n" + "
\n" + "\n" + "\n"; var vWinCal = window.open("", "Calendar", "width=222,height=167,status=no,resizable=no,top=300,left=400"); 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) { var re_date = /^(\d+)\/(\d+)\/(\d+)\s$/; if (!re_date.exec(str_datetime)) return alert("Formato de Fecha Invalido: "+ str_datetime); return (new Date (RegExp.$3, RegExp.$2-1, RegExp.$1)); } function dt2dtstr (dt_datetime) { return (new String ( //frmdate(dt_datetime.getDate())+"/"+frmdate((dt_datetime.getMonth()+1))+"/"+dt_datetime.getFullYear()+" ")); frmdate(dt_datetime.getDate())+"/"+frmdate((dt_datetime.getMonth()+1))+"/"+dt_datetime.getFullYear())); } function dt2tmstr (dt_datetime) { return (new String ( dt_datetime.getHours()+":"+dt_datetime.getMinutes()+":"+dt_datetime.getSeconds())); } function frmdate (str_date) { if ((str_date.toString().length==1)){ str_date='0'+str_date; } return str_date; }