{ function compDate(date1,date2) { var dt1=new String(date1); var x=dt1.split('/'); var x1=parseInt(x[0],10); var x2=parseInt(x[1],10); var x3=parseInt(x[2],10); var dt2=new String(date2); var y=dt2.split('/'); var y1=parseInt(y[0],10); var y2=parseInt(y[1],10); var y3=parseInt(y[2],10); if((x1>=y1 && x2>=y2 && x3>=y3) || (x2>y2 && x3>=y3) || (x3>y3)) return 1; else return 0; } function findBackLogDate(date, days) { var dd = date.split('/'); date = dd[1]+"/"+dd[0]+"/"+dd[2] // parse s for month, day, year var dateArray = date.split('/'); sdate = new Date(dateArray[2],dateArray[0]-1,dateArray[1]); // figure out day, month, year 7 days ago var odate = new Date(sdate.getTime() - (days * 86400000)); // return value //alert((convertTwoDigit(odate.getDate()) + '/' + convertTwoDigit(odate.getMonth()+1) + '/' +odate.getYear())); return (convertTwoDigit(odate.getDate()) + '/' + convertTwoDigit(odate.getMonth()+1) + '/' +odate.getYear()); } function convertTwoDigit(str) { str= new String(str); if(str.length<2) str='0'+str; return str; } var MONTH_NAMES=new Array('January','February','March','April','May','June','July','August','September','October','November','December','Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'); var DAY_NAMES=new Array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sun','Mon','Tue','Wed','Thu','Fri','Sat'); function LZ(x) {return(x<0||x>9?"":"0")+x} // ------------------------------------------------------------------ // isDate ( date_string, format_string ) // Returns true if date string matches format of format string and // is a valid date. Else returns false. // It is recommended that you trim whitespace around the value before // passing it to this function, as whitespace is NOT ignored! // ------------------------------------------------------------------ function isDate(val,format) { var date=getDateFromFormat(val,format); if (date==0) { return false; } return true; } // ------------------------------------------------------------------- // compareDates(date1,date1format,date2,date2format) // Compare two date strings to see which is greater. // Returns: // 1 if date1 is greater than date2 // 0 if date2 is greater than date1 of if they are the same // -1 if either of the dates is in an invalid format // ------------------------------------------------------------------- function compareDates(date1,dateformat1,date2,dateformat2) { var d1=getDateFromFormat(date1,dateformat1); var d2=getDateFromFormat(date2,dateformat2); if (d1==0 || d2==0) { return -1; } else if (d1 > d2) { return 1; } return 0; } function compareDate(date1, date2) { var x= compareDates(date1,'d/m/y',date2,'d/m/y'); return x; } // ------------------------------------------------------------------ // formatDate (date_object, format) // Returns a date in the output format specified. // The format string uses the same abbreviations as in getDateFromFormat() // ------------------------------------------------------------------ function formatDate(date,format) { format=format+""; var result=""; var i_format=0; var c=""; var token=""; var y=date.getYear()+""; var M=date.getMonth()+1; var d=date.getDate(); var E=date.getDay(); var H=date.getHours(); var m=date.getMinutes(); var s=date.getSeconds(); var yyyy,yy,MMM,MM,dd,hh,h,mm,ss,ampm,HH,H,KK,K,kk,k; // Convert real date parts into formatted versions var value=new Object(); if (y.length < 4) {y=""+(y-0+1900);} value["y"]=""+y; value["yyyy"]=y; value["yy"]=y.substring(2,4); value["M"]=M; value["MM"]=LZ(M); value["MMM"]=MONTH_NAMES[M-1]; value["NNN"]=MONTH_NAMES[M+11]; value["d"]=d; value["dd"]=LZ(d); value["E"]=DAY_NAMES[E+7]; value["EE"]=DAY_NAMES[E]; value["H"]=H; value["HH"]=LZ(H); if (H==0){value["h"]=12;} else if (H>12){value["h"]=H-12;} else {value["h"]=H;} value["hh"]=LZ(value["h"]); if (H>11){value["K"]=H-12;} else {value["K"]=H;} value["k"]=H+1; value["KK"]=LZ(value["K"]); value["kk"]=LZ(value["k"]); if (H > 11) { value["a"]="PM"; } else { value["a"]="AM"; } value["m"]=m; value["mm"]=LZ(m); value["s"]=s; value["ss"]=LZ(s); while (i_format < format.length) { c=format.charAt(i_format); token=""; while ((format.charAt(i_format)==c) && (i_format < format.length)) { token += format.charAt(i_format++); } if (value[token] != null) { result=result + value[token]; } else { result=result + token; } } return result; } // ------------------------------------------------------------------ // Utility functions for parsing in getDateFromFormat() // ------------------------------------------------------------------ function _isInteger(val) { var digits="1234567890"; for (var i=0; i < val.length; i++) { if (digits.indexOf(val.charAt(i))==-1) { return false; } } return true; } function _getInt(str,i,minlength,maxlength) { for (var x=maxlength; x>=minlength; x--) { var token=str.substring(i,i+x); if (token.length < minlength) { return null; } if (_isInteger(token)) { return token; } } return null; } // ------------------------------------------------------------------ // getDateFromFormat( date_string , format_string ) // // This function takes a date string and a format string. It matches // If the date string matches the format string, it returns the // getTime() of the date. If it does not match, it returns 0. // ------------------------------------------------------------------ function getDateFromFormat(val,format) { val=val+""; format=format+""; var i_val=0; var i_format=0; var c=""; var token=""; var token2=""; var x,y; var now=new Date(); var year=now.getYear(); var month=now.getMonth()+1; var date=1; var hh=now.getHours(); var mm=now.getMinutes(); var ss=now.getSeconds(); var ampm=""; while (i_format < format.length) { // Get next token from format string c=format.charAt(i_format); token=""; while ((format.charAt(i_format)==c) && (i_format < format.length)) { token += format.charAt(i_format++); } // Extract contents of value based on format token if (token=="yyyy" || token=="yy" || token=="y") { if (token=="yyyy") { x=4;y=4; } if (token=="yy") { x=2;y=2; } if (token=="y") { x=2;y=4; } year=_getInt(val,i_val,x,y); if (year==null) { return 0; } i_val += year.length; if (year.length==2) { if (year > 70) { year=1900+(year-0); } else { year=2000+(year-0); } } } else if (token=="MMM"||token=="NNN"){ month=0; for (var i=0; i11)) { month=i+1; if (month>12) { month -= 12; } i_val += month_name.length; break; } } } if ((month < 1)||(month>12)){return 0;} } else if (token=="EE"||token=="E"){ for (var i=0; i12)){return 0;} i_val+=month.length;} else if (token=="dd"||token=="d") { date=_getInt(val,i_val,token.length,2); if(date==null||(date<1)||(date>31)){return 0;} i_val+=date.length;} else if (token=="hh"||token=="h") { hh=_getInt(val,i_val,token.length,2); if(hh==null||(hh<1)||(hh>12)){return 0;} i_val+=hh.length;} else if (token=="HH"||token=="H") { hh=_getInt(val,i_val,token.length,2); if(hh==null||(hh<0)||(hh>23)){return 0;} i_val+=hh.length;} else if (token=="KK"||token=="K") { hh=_getInt(val,i_val,token.length,2); if(hh==null||(hh<0)||(hh>11)){return 0;} i_val+=hh.length;} else if (token=="kk"||token=="k") { hh=_getInt(val,i_val,token.length,2); if(hh==null||(hh<1)||(hh>24)){return 0;} i_val+=hh.length;hh--;} else if (token=="mm"||token=="m") { mm=_getInt(val,i_val,token.length,2); if(mm==null||(mm<0)||(mm>59)){return 0;} i_val+=mm.length;} else if (token=="ss"||token=="s") { ss=_getInt(val,i_val,token.length,2); if(ss==null||(ss<0)||(ss>59)){return 0;} i_val+=ss.length;} else if (token=="a") { if (val.substring(i_val,i_val+2).toLowerCase()=="am") {ampm="AM";} else if (val.substring(i_val,i_val+2).toLowerCase()=="pm") {ampm="PM";} else {return 0;} i_val+=2;} else { if (val.substring(i_val,i_val+token.length)!=token) {return 0;} else {i_val+=token.length;} } } // If there are any trailing characters left in the value, it doesn't match if (i_val != val.length) { return 0; } // Is date valid for month? if (month==2) { // Check for leap year if ( ( (year%4==0)&&(year%100 != 0) ) || (year%400==0) ) { // leap year if (date > 29){ return 0; } } else { if (date > 28) { return 0; } } } if ((month==4)||(month==6)||(month==9)||(month==11)) { if (date > 30) { return 0; } } // Correct hours value if (hh<12 && ampm=="PM") { hh=hh-0+12; } else if (hh>11 && ampm=="AM") { hh-=12; } var newdate=new Date(year,month-1,date,hh,mm,ss); return newdate.getTime(); } // ------------------------------------------------------------------ // parseDate( date_string [, prefer_euro_format] ) // // This function takes a date string and tries to match it to a // number of possible date formats to get the value. It will try to // match against the following international formats, in this order: // y-M-d MMM d, y MMM d,y y-MMM-d d-MMM-y MMM d // M/d/y M-d-y M.d.y MMM-d M/d M-d // d/M/y d-M-y d.M.y d-MMM d/M d-M // A second argument may be passed to instruct the method to search // for formats like d/M/y (european format) before M/d/y (American). // Returns a Date object or null if no patterns match. // ------------------------------------------------------------------ function parseDate(val) { var preferEuro=(arguments.length==2)?arguments[1]:false; generalFormats=new Array('y-M-d','MMM d, y','MMM d,y','y-MMM-d','d-MMM-y','MMM d'); monthFirst=new Array('M/d/y','M-d-y','M.d.y','MMM-d','M/d','M-d'); dateFirst =new Array('d/M/y','d-M-y','d.M.y','d-MMM','d/M','d-M'); var checkList=new Array('generalFormats',preferEuro?'dateFirst':'monthFirst',preferEuro?'monthFirst':'dateFirst'); var d=null; for (var i=0; i "4") { isNav4 = false; isNav5 = true; } } else { isIE4 = true; } function DateFormat(vDateName, vDateValue, e, dateCheck, dateType) { vDateType = dateType; // vDateName = object name // vDateValue = value in the field being checked // e = event // dateCheck // True = Verify that the vDateValue is a valid date // False = Format values being entered into vDateValue only // vDateType // 1 = mm/dd/yyyy // 2 = yyyy/mm/dd // 3 = dd/mm/yyyy //Enter a tilde sign for the first number and you can check the variable information. if (vDateValue == "~") { alert("AppVersion = "+navigator.appVersion+" \nNav. 4 Version = "+isNav4+" \nNav. 5 Version = "+isNav5+" \nIE Version = "+isIE4+" \nYear Type = "+vYearType+" \nDate Type = "+vDateType+" \nSeparator = "+strSeperator); vDateName.value = ""; vDateName.focus(); return true; } var whichCode = (window.Event) ? e.which : e.keyCode; // Check to see if a seperator is already present. // bypass the date if a seperator is present and the length greater than 8 if (vDateValue.length > 8 && isNav4) { if ((vDateValue.indexOf("-") >= 1) || (vDateValue.indexOf("/") >= 1)) return true; } //Eliminate all the ASCII codes that are not valid var alphaCheck = " abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/-"; if (alphaCheck.indexOf(vDateValue) >= 1) { if (isNav4) { vDateName.value = ""; vDateName.focus(); vDateName.select(); return false; } else { vDateName.value = vDateName.value.substr(0, (vDateValue.length-1)); return false; } } if (whichCode == 8) //Ignore the Netscape value for backspace. IE has no value return false; else { //Create numeric string values for 0123456789/ //The codes provided include both keyboard and keypad values var strCheck = '47,48,49,50,51,52,53,54,55,56,57,58,59,95,96,97,98,99,100,101,102,103,104,105'; if (strCheck.indexOf(whichCode) != -1) { if (isNav4) { if (((vDateValue.length < 6 && dateCheck) || (vDateValue.length == 7 && dateCheck)) && (vDateValue.length >=1)) { alert("Invalid Date\nPlease Re-Enter"); vDateName.value = ""; vDateName.focus(); vDateName.select(); return false; } if (vDateValue.length == 6 && dateCheck) { var mDay = vDateName.value.substr(2,2); var mMonth = vDateName.value.substr(0,2); var mYear = vDateName.value.substr(4,4) //Turn a two digit year into a 4 digit year if (mYear.length == 2 && vYearType == 4) { var mToday = new Date(); //If the year is greater than 30 years from now use 19, otherwise use 20 var checkYear = mToday.getFullYear() + 30; var mCheckYear = '20' + mYear; if (mCheckYear >= checkYear) mYear = '19' + mYear; else mYear = '20' + mYear; } var vDateValueCheck = mMonth+strSeperator+mDay+strSeperator+mYear; if (!dateValid(vDateValueCheck)) { alert("Invalid Date\nPlease Re-Enter"); vDateName.value = ""; vDateName.focus(); vDateName.select(); return false; } return true; } else { // Reformat the date for validation and set date type to a 1 if (vDateValue.length >= 8 && dateCheck) { if (vDateType == 1) // mmddyyyy { var mDay = vDateName.value.substr(2,2); var mMonth = vDateName.value.substr(0,2); var mYear = vDateName.value.substr(4,4) vDateName.value = mMonth+strSeperator+mDay+strSeperator+mYear; } if (vDateType == 2) // yyyymmdd { var mYear = vDateName.value.substr(0,4) var mMonth = vDateName.value.substr(4,2); var mDay = vDateName.value.substr(6,2); vDateName.value = mYear+strSeperator+mMonth+strSeperator+mDay; } if (vDateType == 3) // ddmmyyyy { var mMonth = vDateName.value.substr(2,2); var mDay = vDateName.value.substr(0,2); var mYear = vDateName.value.substr(4,4) vDateName.value = mDay+strSeperator+mMonth+strSeperator+mYear; } //Create a temporary variable for storing the DateType and change //the DateType to a 1 for validation. var vDateTypeTemp = vDateType; vDateType = 1; var vDateValueCheck = mMonth+strSeperator+mDay+strSeperator+mYear; if (!dateValid(vDateValueCheck)) { alert("Invalid Date\nPlease Re-Enter"); vDateType = vDateTypeTemp; vDateName.value = ""; vDateName.focus(); vDateName.select(); return false; } vDateType = vDateTypeTemp; return true; } else { if (((vDateValue.length < 8 && dateCheck) || (vDateValue.length == 9 && dateCheck)) && (vDateValue.length >=1)) { alert("Invalid Date\nPlease Re-Enter"); vDateName.value = ""; vDateName.focus(); vDateName.select(); return false; } } } } else { // Non isNav Check if (((vDateValue.length < 8 && dateCheck) || (vDateValue.length == 9 && dateCheck)) && (vDateValue.length >=1)) { alert("Invalid Date\nPlease Re-Enter"); vDateName.value = ""; vDateName.focus(); return true; } // Reformat date to format that can be validated. mm/dd/yyyy if (vDateValue.length >= 8 && dateCheck) { // Additional date formats can be entered here and parsed out to // a valid date format that the validation routine will recognize. if (vDateType == 1) // mm/dd/yyyy { var mMonth = vDateName.value.substr(0,2); var mDay = vDateName.value.substr(3,2); var mYear = vDateName.value.substr(6,4) } if (vDateType == 2) // yyyy/mm/dd { var mYear = vDateName.value.substr(0,4) var mMonth = vDateName.value.substr(5,2); var mDay = vDateName.value.substr(8,2); } if (vDateType == 3) // dd/mm/yyyy { var mDay = vDateName.value.substr(0,2); var mMonth = vDateName.value.substr(3,2); var mYear = vDateName.value.substr(6,4) } if (vYearLength == 4) { if (mYear.length < 4) { alert("Invalid Date\nPlease Re-Enter"); vDateName.value = ""; vDateName.focus(); return true; } } // Create temp. variable for storing the current vDateType var vDateTypeTemp = vDateType; // Change vDateType to a 1 for standard date format for validation // Type will be changed back when validation is completed. vDateType = 1; // Store reformatted date to new variable for validation. var vDateValueCheck = mMonth+strSeperator+mDay+strSeperator+mYear; if (mYear.length == 2 && vYearType == 4 && dateCheck) { //Turn a two digit year into a 4 digit year var mToday = new Date(); //If the year is greater than 30 years from now use 19, otherwise use 20 var checkYear = mToday.getFullYear() + 30; var mCheckYear = '20' + mYear; if (mCheckYear >= checkYear) mYear = '19' + mYear; else mYear = '20' + mYear; vDateValueCheck = mMonth+strSeperator+mDay+strSeperator+mYear; // Store the new value back to the field. This function will // not work with date type of 2 since the year is entered first. if (vDateTypeTemp == 1) // mm/dd/yyyy vDateName.value = mMonth+strSeperator+mDay+strSeperator+mYear; if (vDateTypeTemp == 3) // dd/mm/yyyy vDateName.value = mDay+strSeperator+mMonth+strSeperator+mYear; } if (!dateValid(vDateValueCheck)) { alert("Invalid Date\nPlease Re-Enter"); vDateType = vDateTypeTemp; vDateName.value = ""; vDateName.focus(); return true; } vDateType = vDateTypeTemp; return true; } else { if (vDateType == 1) { if (vDateValue.length == 2) { vDateName.value = vDateValue+strSeperator; } if (vDateValue.length == 5) { vDateName.value = vDateValue+strSeperator; } } if (vDateType == 2) { if (vDateValue.length == 4) { vDateName.value = vDateValue+strSeperator; } if (vDateValue.length == 7) { vDateName.value = vDateValue+strSeperator; } } if (vDateType == 3) { if (vDateValue.length == 2) { vDateName.value = vDateValue+strSeperator; } if (vDateValue.length == 5) { vDateName.value = vDateValue+strSeperator; } } return true; } } if (vDateValue.length == 10&& dateCheck) { if (!dateValid(vDateName)) { // Un-comment the next line of code for debugging the dateValid() function error messages //alert(err); alert("Invalid Date\nPlease Re-Enter"); vDateName.focus(); vDateName.select(); } } return false; } else { // If the value is not in the string return the string minus the last // key entered. if (isNav4) { vDateName.value = ""; vDateName.focus(); vDateName.select(); return false; } else { vDateName.value = vDateName.value.substr(0, (vDateValue.length-1)); return false; } } } } function dateValid(objName) { var strDate; var strDateArray; var strDay; var strMonth; var strYear; var intday; var intMonth; var intYear; var booFound = false; var datefield = objName; var strSeparatorArray = new Array("-"," ","/","."); var intElementNr; // var err = 0; var strMonthArray = new Array(12); strMonthArray[0] = "Jan"; strMonthArray[1] = "Feb"; strMonthArray[2] = "Mar"; strMonthArray[3] = "Apr"; strMonthArray[4] = "May"; strMonthArray[5] = "Jun"; strMonthArray[6] = "Jul"; strMonthArray[7] = "Aug"; strMonthArray[8] = "Sep"; strMonthArray[9] = "Oct"; strMonthArray[10] = "Nov"; strMonthArray[11] = "Dec"; //strDate = datefield.value; strDate = objName; if (strDate.length < 1) { return true; } 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); } } //Adjustment for short years entered if (strYear.length == 2) { strYear = '20' + strYear; } strTemp = strDay; strDay = strMonth; strMonth = strTemp; intday = parseInt(strDay, 10); if (isNaN(intday)) { err = 2; return false; } intMonth = parseInt(strMonth, 10); if (isNaN(intMonth)) { for (i = 0;i<12;i++) { if (strMonth.toUpperCase() == strMonthArray[i].toUpperCase()) { intMonth = i+1; strMonth = strMonthArray[i]; i = 12; } } if (isNaN(intMonth)) { err = 3; return false; } } intYear = parseInt(strYear, 10); 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; } } } return true; } function LeapYear(intYear) { if (intYear % 100 == 0) { if (intYear % 400 == 0) { return true; } } else { if ((intYear % 4) == 0) { return true; } } return false; } }