// ---------------------------------------------------------------------- // Javascript form validation routines. // ---------------------------------------------------------------------- var nbsp = 160; // non-breaking space char var node_text = 3; // DOM text node-type var emptyString = /^\s*$/ ; var global_valfield; // retain valfield for timer thread // -------------------------------------------- // trim // Trim leading/trailing whitespace off string // -------------------------------------------- function trim(str) { return str.replace(/^\s+|\s+$/g, ''); } // -------------------------------------------- // setfocus // Delayed focus setting to get around IE bug // -------------------------------------------- function setFocusDelayed() { global_valfield.focus(); } function setfocus(valfield) { // save valfield in global variable so value retained when routine exits global_valfield = valfield; setTimeout( 'setFocusDelayed()', 100 ); } // -------------------------------------------- // msg // Display warn/error message in HTML element. // commonCheck routine must have previously been called // -------------------------------------------- function msg(fld, // id of element to display message in msgtype, // class to give element ("warn" or "error") message) // string to display { // setting an empty string can give problems if later set to a // non-empty string, so ensure a space present. (For Mozilla and Opera one could // simply use a space, but IE demands something more, like a non-breaking space.) var dispmessage; if (emptyString.test(message)) dispmessage = String.fromCharCode(nbsp); else dispmessage = message; var elem = document.getElementById(fld); elem.firstChild.nodeValue = dispmessage; elem.className = msgtype; // set the CSS class to adjust appearance of message } // -------------------------------------------- // validateEmail // Validate if e-mail address // Returns true if so (and also if could not be executed because of old browser) // -------------------------------------------- function validateFakeCaptcha (valfield, // element to be validated infofield, // id of element to receive info/error msg required, // true if required language, fake_captcha_string) { //alert('validateEmail'+valfield.value+', '+infofield+', '+language);/////////////////////////////// var stat = commonCheck (valfield, infofield, required, language); var errMsg = ""; if (stat != proceed) return stat; var tfld = trim(valfield.value); // value of field with whitespace trimmed off /* alert(tfld.toLowerCase() ); alert(fake_captcha_string);*/ var email = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ; // if (!email.test(tfld)) { if (fake_captcha_string!=tfld.toLowerCase()) { switch(language){ /* case "dk": errMsg = "Fejl: det er ikke en gyldig e-mail adresse"; break; case "no": errMsg = "Feil: ugyldig epost adresse"; break;*/ case "eng": errMsg = "Incorrect validation code!"; break; /* case "se": errMsg = "Inte en godk\u00e4nd e-post adress"; break; case "de": errMsg = "Keine g\u00fcltige"; break; case "fi": errMsg = "Virheellinen s\u00e4hk\u00f6postiosoite"; break; case "nl": errMsg = "Fout: Geen geldig emailadres!"; break; case "fr": errMsg = "Erreur. L'adresse email n'est pas valide!"; break;*/ } msg (infofield, "error", errMsg); setfocus(valfield); return false; } else { msg (infofield, "", ""); return true; } /* var email2 = /^[A-Za-z][\w.-]+@\w[\w.-]+\.[\w.-]*[A-Za-z][A-Za-z]$/ ; if (!email2.test(tfld)) msg (infofield, "warn", "Venligst tjek e-mail adressen"); else msg (infofield, "warn", "");*/ } // -------------------------------------------- // commonCheck // Common code for all validation routines to: // (a) check for older / less-equipped browsers // (b) check if empty fields are required // Returns true (validation passed), // false (validation failed) or // proceed (don't know yet) // -------------------------------------------- var proceed = 2; function commonCheck (valfield, // element to be validated infofield, // id of element to receive info/error msg required, // true if required language) // { //alert('commonCheck: '+valfield.value+', '+infofield+', '+required+', '+language); var errMsg = ""; switch(language){ case "dk": errMsg = "Skal udfyldes"; break; case "no": errMsg = "Skal utfylles"; break; case "eng": errMsg = "Required"; break; case "de": errMsg = "Pflichtfeld"; break; case "se": errMsg = "Saknas"; break; case "fi": errMsg = "Pakollinen"; break; case "nl": errMsg = "Verplicht veld"; break; case "fr": errMsg = "Champs obligatoire"; break; } if (!document.getElementById) return true; // not available on this browser - leave validation to the server var elem = document.getElementById(infofield); if (!elem.firstChild) return true; // not available on this browser if (elem.firstChild.nodeType != node_text) return true; // infofield is wrong type of node if (emptyString.test(valfield.value)) { if (required) { msg (infofield, "error", errMsg); setfocus(valfield); return false; } else { msg (infofield, "warn", ""); // OK return true; } } return proceed; } // -------------------------------------------- // validateSelect // Validate if something is selected // Returns true if so (and also if could not be executed because of old browser) // Returns false and an error message if nothing is selected // -------------------------------------------- // element to be validated ,id of element to receive info/error msg, true if required function validateSelect(valfield, infofield, required, language) { var errmsg = ""; //alert('validateSelect --> value = '+valfield.value);/////////////////////////// if(valfield.value == 0) { //alert('validateSelect --> valfield.value = '+valfield.value+', return false');//////////////////////////////////// switch(language){ case "dk": errMsg = "Vælg venligst."; break; case "no": errMsg = "Velg venligst."; break; case "eng": errMsg = "Required"; break; case "de": errMsg = "Pflichtfeld"; break; case "se": errMsg = "Saknas"; break; case "fi": errMsg = "Valitse"; break; case "nl": errMsg = "Verplicht veld"; break; case "fr": errMsg = "Champs obligatoire"; break; } msg (infofield, "error", errMsg); setfocus(valfield); return false; } else { //alert('validateSelect --> valfield.value = '+valfield.value+', return true');////////////////////////////////////// msg (infofield, "warn", ""); return true; } } // ----------------------------------------- // validateCheckbox // Validate that the correct number of checkboxes has been checked. // Returns true if valid (and also if could not be executed because // of old browser) // ----------------------------------------- function validateCheckbox (vfld, // checkboxes to be validated ifld, // id of element to receive info/error msg nr, // number of checkboxes to be checked. >=2 cond) // condition: -1 = less than or equal to nr // 0 = equal to nr (default) // 1 = greater than or equal to nr { if (!nr || nr<2) { //alert('Programming error in validateCheckbox: nr<2'); // for nr=1 use radio buttons or validateCheckbox return true; } if (!cond) cond = 0; var stat = commonCheck2(vfld, ifld); if (stat != proceed) return stat; // count how many boxes have been checked by the reader var count = 0; for (var j=0; jnr && cond==1) return true; // if we get here then the validation has failed var suffix=''; if (count>1) suffix='es'; var errorMsg; if (count!=nr) errorMsg = 'Venligst tjek alle ' + nr + '.'; /* // used if there are a certain number of checkboxes required if (countnr) errorMsg = '' + count + ' boxes checked: maximum ' + nr + ' allowed'; if (count==0) errorMsg = 'No boxes checked: ' + nr + ' required'; */ msg (ifld, "error", errorMsg); return false; } // ----------------------------------------- // validateCheckbox // Usually one doesn't want to validate if 1 checkbox of a set has been // checked, because in this case one would use radio buttons instead. // But sometimes one wants a reader to check a single box to confirm that // he or she agrees to something. That is covered by this routine. // // Returns true if valid (and also if could not be executed because // of old browser) // ----------------------------------------- function validateCheckbox (vfld, // checkbox to be validated ifld, // id of element to receive info/error msg language) { var stat = commonCheck2(vfld, ifld); if (stat != proceed) return stat; if (vfld.checked) return true; // if we get here then the validation has failed var errorMsg = ''; switch(language){ case "dk": errorMsg = "Venligst marker"; break; case "no": errorMsg = "Venligst marker"; break; case "eng": errorMsg = "Please confirm"; break; case "de": errorMsg = "Bitte best\u00e4tigen"; break; case "se": errorMsg = "Saknas"; break; case "fi": errorMsg = "Vahvista"; break; case "fr": errorMsg = "Veuillez svp confirmer"; break; case "nl": errorMsg = "Aub bevestigen"; break; } setfocus(vfld); msg (ifld, "error", errorMsg); return false; } // ----------------------------------------- // commonCheck2 // Common code for checkbox validation routines to // check for older / less-equipped browsers // Returns true (validation passed) or // proceed (don't know yet) // ----------------------------------------- var proceed = 2; function commonCheck2 (vfld, // element to be validated ifld) // id of element to receive info/error msg { if (!document.getElementById) return true; // not available on this browser - leave validation to the server var elem = document.getElementById(ifld); if (!elem.firstChild) return true; // not available on this browser if (elem.firstChild.nodeType != node_text) return true; // ifld is wrong type of node msg (ifld, "warn", ""); // clear any previous error message return proceed; } // -------------------------------------------- // validatePresent // Validate if something has been entered // Returns true if so // -------------------------------------------- function validatePresent(valfield, // element to be validated infofield, // id of element to receive info/error msg language) { //alert('validatePresent'+valfield.value+', '+infofield+', '+language);////////////////////////// var stat = commonCheck (valfield, infofield, true, language); if (stat != proceed) return stat; msg (infofield, "warn", ""); return true; } // -------------------------------------------- // validateEmail // Validate if e-mail address // Returns true if so (and also if could not be executed because of old browser) // -------------------------------------------- function validateEmail (valfield, // element to be validated infofield, // id of element to receive info/error msg required, // true if required language) { //alert('validateEmail'+valfield.value+', '+infofield+', '+language);/////////////////////////////// var stat = commonCheck (valfield, infofield, required, language); var errMsg = ""; if (stat != proceed) return stat; var tfld = trim(valfield.value); // value of field with whitespace trimmed off var email = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ; if (!email.test(tfld)) { switch(language){ case "dk": errMsg = "Fejl: det er ikke en gyldig e-mail adresse"; break; case "no": errMsg = "Feil: ugyldig epost adresse"; break; case "eng": errMsg = "Error: Not a valid email!"; break; case "se": errMsg = "Inte en godk\u00e4nd e-post adress"; break; case "de": errMsg = "Keine g\u00fcltige"; break; case "fi": errMsg = "Virheellinen s\u00e4hk\u00f6postiosoite"; break; case "nl": errMsg = "Fout: Geen geldig emailadres!"; break; case "fr": errMsg = "Erreur. L'adresse email n'est pas valide!"; break; } msg (infofield, "error", errMsg); setfocus(valfield); return false; } var email2 = /^[A-Za-z][\w.-]+@\w[\w.-]+\.[\w.-]*[A-Za-z][A-Za-z]$/ ; if (!email2.test(tfld)) msg (infofield, "warn", "Venligst tjek e-mail adressen"); else msg (infofield, "warn", ""); return true; } ///////////////////////////////// Sett prefiks ut fra land og sjekk kun på numerisk input // -------------------------------------------- // validateTelnr // Validate telephone number // Returns true if so (and also if could not be executed because of old browser) // Permits spaces, hyphens, brackets and leading + // -------------------------------------------- function validateTelnr (valfield, // element to be validated infofield, // id of element to receive info/error msg required, // true if required language) { var stat = commonCheck (valfield, infofield, required, language); var errMsg = ""; if (stat != proceed) return stat; var tfld = trim(valfield.value); // value of field with whitespace trimmed off var numdigits = 0; for (var j=0; j='0' && tfld.charAt(j)<='9') numdigits++; var telnr = /^\+?[0-9 -]+[0-9]$/ ; if (!telnr.test(tfld)) { switch(language){ case "dk": errMsg = "Fejl: Telefon nummeret er ugyldig. Du kan bruge + foran tal og mellemrum."; break; case "no": errMsg = "Feil: Telefonnummeret er ugyldig. Du kan bruke + foran tal og mellemrum."; break; case "eng": errMsg = "Digit, space \u0026 lead +."; break; case "de": errMsg = "Nur Ziffern, Leerzeichen und + am Anfang erlaubt."; break; case "se": errMsg = "Endast siffror"; break; case "fi": errMsg = "Ainostaan numerot mahdollisia"; break; } msg (infofield, "error", errMsg); setfocus(valfield); return false; } else if (numdigits<6||numdigits>12) { switch(language){ case "dk": errMsg = "Fejl: Tjek antal tal i telefon nummeret"; break; case "no": errMsg = "Sjekk antall tall i telefonnummeret"; break; case "eng": errMsg = "Error: Please check the number of digits in the phone number."; break; case "de": errMsg = "Bitte \u00fcberpru\u00fcfen Sie die Anzahl der Ziffern der Telefonnummer."; break; case "se": errMsg = "Antal siffror."; break; case "fi": errMsg = "Virhe: Puhelinnumero virheellinen."; break; } msg (infofield, "error", errMsg); setfocus(valfield); return false; } else { msg (infofield, "warn", "");} return true; } // -------------------------------------------- // validateTelnrNoPrefix // Validate phone number // Returns true if so (and also if could not be executed because of old browser) // -------------------------------------------- function validateTelnrNoPrefix(valfield, // element to be validated infofield, // id of element to receive info/error msg required, // true if required language) { var stat = commonCheck (valfield, infofield, required, language); var errMsg = ""; if (stat != proceed) return stat; if(!isNumeric(valfield.value) ) { switch(language) { case "dk": errMsg = "Fejl: Tast kun nummer ind. Landekoden lægges til automatisk"; break; case "eng": errMsg = "Error: Only digits are valid. No country code required"; break; } msg (infofield, "error", errMsg); setfocus(valfield); } else if(valfield.value.length<8 || valfield.value.length>12){ switch(language) { case "dk": errMsg = "Fejl: tjek antal tal"; break; case "eng": errMsg = "Error: to short phone number"; break; } msg (infofield, "error", errMsg); setfocus(valfield); } else { msg (infofield, "warn", ""); } return true; } // -------------------------------------------- // validateAge // Validate person's age // Returns true if OK // -------------------------------------------- function validateAge (valfield, // element to be validated infofield, // id of element to receive info/error msg required) // true if required { var stat = commonCheck (valfield, infofield, required); if (stat != proceed) return stat; var tfld = trim(valfield.value); var ageRE = /^[0-9]{1,3}$/ if (!ageRE.test(tfld)) { msg (infofield, "error", "ERROR: not a valid age"); setfocus(valfield); return false; } if (tfld>=200) { msg (infofield, "error", "ERROR: not a valid age"); setfocus(valfield); return false; } if (tfld>110) msg (infofield, "warn", "Older than 110: check correct"); else { if (tfld<7) msg (infofield, "warn", "Bit young for this, aren't you?"); else msg (infofield, "warn", ""); } return true; } // -------------------------------------------- // validateZip // Validate zip code number // Returns true if so (and also if could not be executed because of old browser) // Permits spaces, hyphens, brackets and leading + // -------------------------------------------- function validateZip (valfield, // element to be validated infofield, // id of element to receive info/error msg required, // true if required language) { var stat = commonCheck (valfield, infofield, required, language); if (stat != proceed) return stat; if(!isNumeric(valfield.value) ) { switch(language) { case "dk": msg (infofield, "error", "Fejl: kun tal skal tastes ind"); case "eng": msg (infofield, "error", "Error: Only digits are valid"); } setfocus(valfield); } else { if(valfield.value.length < 4) { switch(language) { case "dk": msg (infofield, "error", "Fejl: tjek antal tal"); case "eng": msg (infofield, "error", "Error: check number of digits"); } setfocus(valfield); } else {msg (infofield, "warn", "");} } return true; } // -------------------------------------------- // validateVATnr // Validate VAT number // Returns true if so (and also if could not be executed because of old browser) // -------------------------------------------- function validateVATnr(valfield, // element to be validated infofield, // id of element to receive info/error msg required, // true if required language) { var stat = commonCheck (valfield, infofield, required, language); var errMsg = ""; if (stat != proceed) return stat; if(!isNumeric(valfield.value) ) { switch(language) { case "dk": errMsg = "Fejl: kun tal skal tastes ind"; break; case "no": errMsg = "Kun tall"; break; case "se": errMsg = "Endast siffror"; break; case "eng": errMsg = "Error: Only digits are valid"; break; } msg (infofield, "error", errMsg); setfocus(valfield); } else if(valfield.value.length<4 || valfield.value.length>14){ switch(language) { case "dk": errMsg = "Fejl: tjek antal tal"; break; case "no": errMsg = "Sjekk antall tall"; break; case "se": errMsg = "Antal siffror"; break; case "eng": errMsg = "Error: to short VAT number"; break; } msg (infofield, "error", errMsg); setfocus(valfield); } else { msg (infofield, "warn", ""); } return true; } // -------------------------------------------- // isNumeric // Validate if a string only consist of digit characters // Returns true if so and false and an error msg if not // -------------------------------------------- function isNumeric(valfield) { var validChars = "0123456789"; // valid characters in the string var IsNumber=true; var Char; // test if each character in the string are valid for (i = 0; i < valfield.length && IsNumber == true; i++) { Char = valfield.charAt(i); if (validChars.indexOf(Char) == -1) { IsNumber = false; } } return IsNumber; } // -------------------------------------------- // validateNumber // Validate if a string only consist of digit characters // Returns true if so and false and an error msg if not // -------------------------------------------- function validateNumber(valfield, // element to be validated infofield, // id of element to receive info/error msg required, // true if required language) { //alert('validateNumber'); var stat = commonCheck (valfield, infofield, required, language); //alert('stat '+stat); var errMsg = ""; ////alert('errMsg '+errMsg); if (stat != proceed) return stat; //alert('proceed '+proceed); if(!isNumeric(valfield.value) ) { //alert('isNumeric '+isNumeric(valfield.value)); switch(language) { case "dk": errMsg = "Fejl: kun tal skal tastes ind"; break; case "eng": errMsg = "Error: Only digits are valid"; break; case "de": errMsg = "Nur Ziffern sind g\u00fcltig"; break; case "se": errMsg = "Endast siffror"; break; case "fi": errMsg = "Ainostaan numerot mahdollisia"; break; } msg (infofield, "error", errMsg); setfocus(valfield); return false; } else { msg (infofield, "warn", ""); return true; } } // -------------------------------------------- // validateRadioGroup // Validate if any of a group of radio buttons are checked // Returns true if so and false and an error msg if not // -------------------------------------------- function validateRadioGroup(valfield, infofield, required, language){ radio_value = get_radio_value(valfield); //alert('radio value' + radio_value); if (radio_value == false) { //alert('not checked'); switch(language){ case "dk": errMsg = "Skal udfyldes."; break; case "no": errMsg = "Skal utfylles."; break; case "eng": errMsg = "Required"; break; case "de": errMsg = "Pflichtfeld"; break; case "se": errMsg = "Saknas"; break; case "nl": errMsg = "Verplicht veld"; break; case "fr": errMsg = "Champs obligatoire"; break; } //alert(errMsg); msg (infofield, "error", errMsg); setfocus(valfield); return false; } else { msg (infofield, "warn", ""); //alert('checked: ' + radio_value);////////////////////////////////////// return true; } } // -------------------------------------------- // get_radio_value // Returns the value of the checked radio button // in a group of radio buttons // -------------------------------------------- function get_radio_value(valfield){ radio_value = false; for (var i=0; i < valfield.length; i++){ if (valfield[i].checked){ var radio_value = valfield[i].value; } } //alert('get_radio_value; radio = ' + radio_value);/////////////// return radio_value; } // -------------------------------------------- // validateUploadFile // Validate file for upload // Returns false if mandatory and empty // Permits file types specified in the file_array // -------------------------------------------- function validateUploadFile (valfield, // element to be validated infofield, // id of element to receive info/error msg required, // true if required language, // language of error messages and warnings /*file_size, // max size of the upload file*/ file_array) { // array of accepted file extentions of the download // Check if the file input isnt empty /* var stat = commonCheck (valfield, infofield, required, language); if (!stat) { return false; }*/ //alert('validateUploadFile'); if (!valfield.value && required == false){ msg (infofield, "warn", ""); return true; } // Extract the file extension of the upload file var file = valfield.value; while (file.indexOf("\\") != -1){ file = file.slice(file.indexOf("\\") + 1); } file = file.slice(file.indexOf(".")).toLowerCase(); // Loop array of allowed file extentions and check if the file extention of the upload within the array // if its not return false and appropriate error message var errMsg = ""; for (var i = 0; i < file_array.length; i++) { //alert('For loop ext; ' + file_array[i]); /////////////// if (file_array[i] == file) { //alert('if = true ' + file_array[i]); /////////////// var file_ok = true; errMsg = ""; break; } if (i == 0) { errMsg = file_array[i]; } else if (i == file_array.length - 1){ switch (language) { case "se": errMsg = errMsg + " och " + file_array[i]; break; } } else { errMsg = errMsg + ", " + file_array[i]; } } if (!file_ok) { if (errMsg){ switch(language){ case "dk": errMsg = "Kun file af type " + errMsg; break; case "fi": errMsg = "Vain tiedostotyyppi " + errMsg; break; case "se": errMsg = "Endast filer av typ " + errMsg; break; } } msg(infofield, "error", errMsg); setfocus(valfield); //alert('errMsg ' + errMsg); /////////////// return false; } else { /* // Check if the file is within the specified filesize // browser cant read file info from client computer --> use ajax in order to do this alert('file_ok ' + file_ok + "\nSjekk filstørrelse"); /////////////// if(!validateFileSize(valfield) ){ errMsg = "Filen er for stor"; msg(infofield, "error", errMsg); setfocus(valfield); //alert('errMsg ' + errMsg); /////////////// return false; } else { alert('FIl ok'); /////////////// return true; }*/ msg (infofield, "warn", ""); return true; } }