/* SUNY Contact Information Form*/ /* Created by Carrie Pause */ function validateDateEntry(validDate, seperator, fieldTitle) { //var validDate = this; var isDateValid = true; // Assume date is valid validDate = validDate.strip(); // Trim leading/trailing blanks from date field value var mm = ""; // Month var dd = ""; // Day var yyyy = ""; // Year var sep1 = 0; // Pointer to position of 1st digit seperator in date string ("/" or "-") var sep2 = 0; // Pointer to position of 2nd digit seperator in date string ("/" or "-") var country = 'US'; if (seperator == null) {seperator = '/'} if (fieldTitle == null) {fieldTitle = 'Please enter a valid date in the format mm'+seperator+'dd'+seperator+'yyyy'} sep1 = validDate.indexOf(seperator); // Find position of 1st slash sep2 = validDate.indexOf(seperator, sep1+1); // find position of 2nd slash if ( ( sep1 >= 0 ) && (sep2 >= 0 ) ) { // If both seperators found mm = validDate.substring(0, sep1) dd = validDate.substring(sep1+1, sep2) yyyy = validDate.substring(sep2+1, validDate.length) } else { isDateValid = false; alert(fieldTitle); return isDateValid; } var details = ""; // Initial details msg to be returned to user on error var leastYear = 1900; // Year must be >= this var greatestYear = 2100; // Year must be <= this var tempDate = new Date(); if ( validDate.length > 0 ) { if ( (yyyy.isNum() == false) || (mm.isNum() == false) || (dd.isNum() == false)) isDateValid = false else if (yyyy.length < 4) { isDateValid = false; details = "Year must be a 4-digit year"; } else if ( (yyyy < leastYear) || (yyyy > greatestYear) ) { isDateValid = false; details = "Year must be between " + leastYear + " and " + greatestYear; } else if ( (mm < 1 ) || (mm > 12 ) ) { isDateValid = false; details = "Invalid month entered"; } else if ( (dd < 1 ) ) { isDateValid = false; details = "Invalid day entered"; } else if ( dd > 28 ) { var daysInMonth = 31; // Assume 31 days in month if ( mm == 4 || mm == 6 || mm == 9 || mm == 11 ) // If a 30-day month daysInMonth = 30 // change days-in-month to 30 else if ( mm == 2 ) // If month is February daysInMonth = ( (yyyy/4) == parseInt(yyyy/4) ? 29 : 28 ); // If leap year, days = 29, else days = 28 if ( dd > daysInMonth ) { // If too many days specified... isDateValid = false; details = "There are only " + daysInMonth + " days in the specified month"; } } } if ((isDateValid == false) && (fieldTitle != "NONE")) alert(fieldTitle + "\n" + details); return isDateValid; } function validateEmail(emailStr) { /* /* /* The following pattern is used to check if the entered e-mail address fits the user@domain format. It also is used to separate the username from the domain. */ var emailPat=/^(.+)@(.+)$/ /* The following string represents the pattern for matching all special characters. We don't want to allow special characters in the address. These characters include ( ) < > @ , ; : \ " . [ ] */ var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]" /* The following string represents the range of characters allowed in a username or domainname. It really states which chars aren't allowed. */ var validChars="\[^\\s" + specialChars + "\]" /* The following pattern applies if the "user" is a quoted string (in which case, there are no rules about which characters are allowed and which aren't; anything goes). E.g. "jiminy cricket"@disney.com is a legal e-mail address. */ var quotedUser="(\"[^\"]*\")" /* The following pattern applies for domains that are IP addresses, rather than symbolic names. E.g. joe@[123.124.233.4] is a legal e-mail address. NOTE: The square brackets are required. */ var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/ /* The following string represents an atom (basically a series of non-special characters.) */ var atom=validChars + '+' /* The following string represents one word in the typical username. For example, in john.doe@somewhere.com, john and doe are words. Basically, a word is either an atom or quoted string. */ var word="(" + atom + "|" + quotedUser + ")" // The following pattern describes the structure of the user var userPat=new RegExp("^" + word + "(\\." + word + ")*$") /* The following pattern describes the structure of a normal symbolic domain, as opposed to ipDomainPat, shown above. */ var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$") /* Finally, let's start trying to figure out if the supplied address is valid. */ /* Begin with the coarse pattern to simply break up user@domain into different pieces that are easy to analyze. */ var matchArray=emailStr.match(emailPat) if (matchArray==null) { /* Too many/few @'s or something; basically, this address doesn't even fit the general mould of a valid e-mail address. */ alert("Email address seems incorrect (check @ and .'s)") return false } var user=matchArray[1] var domain=matchArray[2] // See if "user" is valid if (user.match(userPat)==null) { // user is not valid alert("The username portion of the e-mail address doesn't seem to be valid.") return false } /* if the e-mail address is at an IP address (as opposed to a symbolic host name) make sure the IP address is valid. */ var IPArray=domain.match(ipDomainPat) if (IPArray!=null) { // this is an IP address for (var i=1;i<=4;i++) { if (IPArray[i]>255) { alert("Destination IP address is invalid!") return false } } return true } // Domain is symbolic name var domainArray=domain.match(domainPat) if (domainArray==null) { alert("The domain name doesn't seem to be valid.") return false } /* domain name seems valid, but now make sure that it ends in a three-letter word (like com, edu, gov) or a two-letter word, representing country (uk, nl), and that there's a hostname preceding the domain or country. */ /* Now we need to break up the domain to get a count of how many atoms it consists of. */ var atomPat=new RegExp(atom,"g") var domArr=domain.match(atomPat) var len=domArr.length if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) { // the address must end in a two letter or three letter word. alert("The address must end in a three-letter domain, or two letter country.") return false } // Make sure there's a host name preceding the domain. if (len<2) { var errStr="This address is missing a hostname!" alert(errStr) return false } return true; }