var digcheck = /[^0-9]/; function valnumber(valthis,mm) { if(valthis.length < 1) { alert("Please enter numbers only") mm.focus(); return false; } else { if(digcheck.test(valthis)) { alert("Please enter numbers only") mm.focus(); return false; } return true ; } } //----------------------------------------------------------------------- function ValidateLength(MyInput,MyMinLen,MyMaxLen,MyMsg) { if (MyInput.value.lengthMyMaxLen) { if (MyInput.value.length= 0 && start < NumberStr.length ) { var end = start+1; if( end >= 0 ) { Valid=0; for(j=0 ; j<17 ; j++) { if(NumberStr.substring ( start, end )==ar[j]) { Valid=1; break; } } if(Valid==0) { alert("\"" + NumberStr.substring ( start, end )+ "\" is Invalid Character in the \""+InputName+"\" field."); NumberInput.focus(); return false; break; } start = end; } else { //ar[i++] = NumberStr.substring ( start, NumberStr.length ); start = -1; } } } function ValidateEmail(EmailObject) { emailStr=EmailObject.value; if (EmailObject.value.length < 4) { alert("Please enter at least 4 characters in the \"Mail\" field."); EmailObject.focus(); return (false); } /* 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)") EmailObject.focus(); 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 e-mail is invalid (Only one e-mail is required).") EmailObject.focus(); 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!") EmailObject.focus(); 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.") EmailObject.focus(); 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 e-mail address must end in a three-letter domain, or two letter country.") EmailObject.focus(); return false } // Make sure there's a host name preceding the domain. if (len<2) { var errStr="This e-mail address is missing a hostname!" alert(errStr) EmailObject.focus(); return false } return (true); } //*********************************************** function CheckNumbersOnly(NumberInput,InputName) { var validChars="0123456789"; NumberStr=NumberInput.value; var ar = new Array(17); ar[0]='0'; ar[1]='1'; ar[2]='2'; ar[3]='3'; ar[4]='4'; ar[5]='5'; ar[6]='6'; ar[7]='7'; ar[8]='8'; ar[9]='9'; ar[10]='-'; ar[11]='+'; ar[12]='('; ar[13]=')'; ar[14]='/'; ar[15]='\\'; ar[16]=' '; var i = 0; var start = 0; while( start >= 0 && start < NumberStr.length ) { var end = start+1; if( end >= 0 ) { Valid=0; for(j=0 ; j<17 ; j++) { if(NumberStr.substring ( start, end )==ar[j]) { Valid=1; break; } } if(Valid==0) { alert("\"" + NumberStr.substring ( start, end )+ "\" is Invalid Character in the \""+InputName+"\" field."); NumberInput.focus(); return false; break; } start = end; } else { //ar[i++] = NumberStr.substring ( start, NumberStr.length ); start = -1; } } }