/* * All of this code is © Copyright 2002-2003 Travis M. Buettner. All rights reserved. * This code may not be used, distributed or copied for any reason without the express written permission from Travis M. Buettner. * * File: checkForm.js * Current Version Number: * TMB Version 16.3, 9/20/2002 * -checkDateMessage(form.dateRequired.value, "Required by date", form.dateRequired, false) * -isEmailMessage( form.supplierQuoteNumber, "Please enter the jeamil!", false ) * -accepts a flag of TRUE or FALSE that will make the field required or not required * -this function is backwards compatible and will work as a REQUIRED field if the flag is not passed * * Previous Version Updates: * TMB Version 16.2, 9/17/2002 * -isWholeNumberMessage( form.lifeInsOptionalPercentDead2, "Please enter the percent for the !", true ) * -isNumber2DecimalMessage( form.lifeInsOptionalPercentDead2, "Please enter the percent for the !", false ) * -accepts a flag of TRUE or FALSE that will make the field required or not required * -this function is backwards compatible and will work as a REQUIRED field if the flag is not passed * TMB Version 16.1, 9/9/2002 * -checkDateMessage(data, message, dateFocus) * -small addition that checks to make sure that no one can enter in a zero for the day, month or year * * TMB Version 16.0, 6/14/2002 * -checkTextareaMessage( form.objective, "Please file in your objective!", 1000, true ) * -this function uses checkText model and add a count function that can be set by the 3rd parameter for the maximum length * this is mainly used for textarea boxes but can be used on other form elements like text * * TMB Version 15.5, 6/5/2002 * -checkDuplicateFieldsEmailMessage(form.email, form.email2, "Your email and your re typed email must match exactly!", false) && * -this function is much like the check password function only it * is for email address and their is a flag true/false if it is not requird * * TMB Version 15, 5/10/02 * -completely rescripted the date validator, will accept mm/dd/yyyy, m/dd/yyyy, mm/d/yyyy, mm/d/yyyy * -check for valid months, days in a particular month, does not check for leap year, feb is 29days for now * * TMB Version 14, 3/11/02 * -added function isWholeNumberMessage, this will only allow users to enter in a whole number * * -added function isNumber2DecimalMessage, this will only allow users to enter in a whole number or a number with 2 decimal places * * TMB Version 13.5, 2/20/02 * -added validation for a web address, makes sure a web address starts with "http://" or is equal to nothing * * TMB Version 13.1, 2/7/02 * -change the alert box output for the password validation to say "password" in the message * * TMB Version 13, 1/25/02 * -added password validation, you must enter a password that is atleast 6 characters in length, * must contain atleast one number and atleast one letter * * TMB Version 12, 1/18/02 * -added a onfocus for the date function along with a third field just for date validation purposes * * TMB Version 11, 1/10/02 * -added a validator for 3 or mor enumbers entered in (checkThreeMessage) * * Automatic form checking (for ver 4.0 browsers and above) * * Usage: * * * ... *

* * Insert the * * ... * * * where mailTo, mailFrom, mailSubject, group, and message are the * names of specific input elements that require checking (all other * input elements are ignored). * * Here is a complete list of the functions called by checkForm(): * * Element Function * ------------------------------------------------------------------ * text checkText * textarea checkTextarea * radio checkRadio * checkbox checkCheckbox * select-one checkSelectOne * select-multiple checkSelectMultiple * file checkFile * password checkPassword * * These boolean functions may be used separately (as above) or may be * overridden for further customization. For example, here's how to * use a more restrictive form of the checkSelectMultiple() function: * * * * ... * * * Finally, here is an example that handles select elements with * attribute SIZE="1" (which is the default size in HTML): * * * * ... * * * The checkSelectSpecial() function returns true if the user * makes a selection other than options[0]. * */ // Returns true if all form elements pass their respective test: function checkForm( formObj ) { // Local variables: var element, type, name, oldName; // Check all input elements: var n = formObj.elements.length; for ( var i = 0; i < n; i++ ) { element = formObj.elements[i]; type = element.type; // Ignore buttons and hidden fields: if ( type == "text" ) { if ( !checkText( element ) ) return false; } else if ( type == "textarea" ) { if ( !checkTextarea( element ) ) return false; } else if ( type == "radio" || type == "checkbox" ) { name = element.name; if ( name != oldName ) { // Obtain the corresponding group element: element = eval( "formObj." + name ); if ( type == "radio" && !checkRadio( element ) ) return false; if ( type == "checkbox" && !checkCheckbox( element ) ) return false; oldName = name; } } else if ( type == "select-one" ) { if ( !checkSelectOne( element ) ) return false; } else if ( type == "select-multiple" ) { if ( !checkSelectMultiple( element ) ) return false; } else if ( type == "file" ) { if ( !checkFile( element ) ) return false; } else if ( type == "password" ) { if ( !checkPassword( element ) ) return false; } } // All tests were successful: return true; } // Default function assignments: var checkText = checkTextGeneric; var checkTextarea = checkTextGeneric; var checkFile = checkTextGeneric; var checkPassword = checkTextGeneric; var checkSelectOne = checkSelectGeneric; var checkSelectMultiple = checkSelectGeneric; //will check a text box to make sure that you enter a "http://" at the beginning of the text box function checkWebsiteMessage( address, message ) { if ( isEmpty( address ) ) { return true; } else { var regexp = "http://"; string = "\b" + address.value; //alert(address.value); //alert(string.search(regexp)); if(string.search(regexp) == -1 ) { window.alert( message ); address.value = ""; address.focus(); return false; } else { return true; } } } // Returns true if a generic text element is not empty: function checkTextareaMessage( textObj, message, maxLength, requiredFlag ) { if ( (requiredFlag == false) && (textObj.value == "") ) { return true; } else { if ( isEmpty( textObj ) ) { window.alert( message ); textObj.value = ""; textObj.focus(); return false; } textareaLength = textObj.value if ( textareaLength.length > maxLength ) { window.alert( "You have entered " + textareaLength.length + " characters and the maximum characters you can enter is " + maxLength + " characters!" ); textObj.focus(); return false; } } return true; } // Returns true if a generic text element is not empty: function checkTextMessage( textObj, message ) { if ( isEmpty( textObj ) ) { window.alert( message ); textObj.value = ""; textObj.focus(); return false; } return true; } function checkDuplicateFieldsEmailMessage(emailObj1, emailObj2, message, requiredFlag) { if ( (requiredFlag == false) && (emailObj1.value == "") && (emailObj2.value == "") ) { return true; } else { var regexp =/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/; if(regexp.test(emailObj1.value) == false) { window.alert( "You must enter a valid email address!" ); emailObj1.focus(); return false; } if(regexp.test(emailObj2.value) == false) { window.alert( "You must enter a valid email address for your re typed email address!" ); emailObj2.focus(); return false; } if( (emailObj1.value) == (emailObj2.value) ) return true; else { alert( message ); emailObj1.value = "" emailObj2.value = "" emailObj1.focus(); return false; } } } function checkPasswordFieldsMessage(passwordObj1, passwordObj2, message) { if( passwordObj1.value.length < 6 ) { alert("Your password must be atleast 6 characters in length!"); passwordObj1.focus(); return false; } if( passwordObj2.value.length < 6 ) { alert("Your retyped password must be atleast 6 characters in length!"); passwordObj2.focus(); return false; } var regexp =/[a-zA-Z]/; if(regexp.test(passwordObj1.value) == false) { window.alert( "You must enter at least one letter for your password!" ); passwordObj1.focus(); return false; } if(regexp.test(passwordObj2.value) == false) { window.alert( "You must enter at least one letter for your password!" ); passwordObj2.focus(); return false; } var regexp2 =/[0-9]/; if(regexp2.test(passwordObj1.value) == false) { window.alert( "You must enter at least one number for your password!" ); passwordObj1.focus(); return false; } if(regexp2.test(passwordObj2.value) == false) { window.alert( "You must enter at least one number for your password!" ); passwordObj2.focus(); return false; } if( (passwordObj1.value) == (passwordObj2.value) ) return true; else { alert( message ); passwordObj1.value = "" passwordObj2.value = "" passwordObj1.focus(); return false; } } function isEmailMessage(emailObj, message, requiredFlag ) { var regexp =/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/; if ( (requiredFlag == false) && (emailObj.value == "") ) { return true; } else { if(regexp.test(emailObj.value) == false) { window.alert( message ); emailObj.focus(); return false; } else return true; } return true; } // A function to check select elements with attribute SIZE="1". // Returns true if the user makes a selection other than options[0]: function checkSelectSpecialMessage( selectObj, message ) { if ( selectObj.selectedIndex == 0 ) { window.alert( message ); selectObj.focus(); return false; } return true; } // Returns true if a generic text element is not empty: function checkTextGeneric( textObj ) { if ( isEmpty( textObj ) ) { window.alert( "Enter " + textObj.name + "!" ); textObj.value = ""; textObj.focus(); return false; } return true; } // Returns true if an option of a generic select element is selected // or if the user does not wish to select any options: function checkSelectGeneric( selectObj ) { if ( selectObj.selectedIndex == -1 ) { var name = selectObj.name; if ( window.confirm( "Do you want to select " + name + "?" ) ) { selectObj.focus(); return false; } } return true; } // Returns true if a radio button is checked: function checkRadio( radioObj ) { var n = radioObj.length; for ( var i = 0; i < n; i++ ) { if ( radioObj[i].checked ) return true; } window.alert( "Please check " + radioObj[0].name + "!" ); radioObj[0].focus(); return false; } // Returns true if at least one of a group of checkboxes is checked // or if the user does not wish to check any checkboxes: function checkCheckbox( checkboxObj ) { var n = checkboxObj.length; for ( var i = 0; i < n; i++ ) { if ( checkboxObj[i].checked ) return true; } var name = checkboxObj[0].name; if ( window.confirm( "Do you want to check " + name + "?" ) ) { checkboxObj[0].focus(); return false; } return true; } // Returns true if at least one of a group of checkboxes is checked // or if the user does not wish to check any checkboxes: function checkCheckboxMessage( checkboxObj, message ) { var n = checkboxObj.length; for ( var i = 0; i < n; i++ ) { if ( checkboxObj[i].checked ) return true; } var name = checkboxObj[0].name; window.alert( message ) ; checkboxObj[0].focus(); return false; } // Returns true if an option is selected: function checkSelectStrict( selectObj ) { if ( selectObj.selectedIndex == -1 ) { window.alert( "Please select " + selectObj.name + "!" ); selectObj.focus(); return false; } return true; } // A function to check select elements with attribute SIZE="1". // Returns true if the user makes a selection other than options[0]: function checkSelectSpecial( selectObj ) { if ( selectObj.selectedIndex == 0 ) { window.alert( "Please select " + selectObj.name + "!" ); selectObj.focus(); return false; } return true; } // Returns true if the value of the text element is null or whitespace: function isEmpty( textObj ) { var regexp = /^\s*$/; return regexp.test( textObj.value ); } // For backwards compatibility with a previous version of this script: // (Do not use! Will be removed in a future version!) var checkSelect = checkSelectSpecial; function checkDateMessage(data, message, dateFocus, requiredFlag ) { error = 0; var validFormat = false; if ( (requiredFlag == false) && (dateFocus.value == "") ) { return true; } else { //--------------------------------------------------------------------------------------- // mm/dd/yyyy format if( (data.charAt(2)=="/" && data.charAt(5)=="/" && data.length==10) ) { if( isNaN(data.charAt(0))||isNaN(data.charAt(1))||isNaN(data.charAt(3))||isNaN(data.charAt(4))||isNaN(data.charAt(6))||isNaN(data.charAt(7))||isNaN(data.charAt(8))||isNaN(data.charAt(9)) ) { error = 1; validFormat = false; } else { validFormat = true; day = eval(data.charAt(3)+data.charAt(4)); day = parseInt(day); mnth = eval(data.charAt(0)+data.charAt(1)); mnth = parseInt(mnth); yr = eval(data.charAt(6)+data.charAt(7)+data.charAt(8)+data.charAt(9)); yr = parseInt(yr); } //alert("mm/dd/yyyy format"); } //-------------------------------------------------------------------------------------------- // m/dd/yyyy format else if( (data.charAt(1)=="/" && data.charAt(4)=="/" && data.length==9) ) { if( isNaN(data.charAt(0))||isNaN(data.charAt(2))||isNaN(data.charAt(3))||isNaN(data.charAt(5))||isNaN(data.charAt(6))||isNaN(data.charAt(7))||isNaN(data.charAt(8)) ) { error = 1; validFormat = false; } else { validFormat = true; day = eval(data.charAt(2)+data.charAt(3)); day = parseInt(day); mnth = eval(data.charAt(0)); mnth = parseInt(mnth); yr = eval(data.charAt(5)+data.charAt(6)+data.charAt(7)+data.charAt(8)); yr = parseInt(yr); } //alert("m/dd/yyyy format"); } //--------------------------------------------------------------------------------------------------- // mm/d/yyyy format else if( (data.charAt(2)=="/" && data.charAt(4)=="/" && data.length==9) ) { if( isNaN(data.charAt(0))||isNaN(data.charAt(1))||isNaN(data.charAt(3))||isNaN(data.charAt(5))||isNaN(data.charAt(6))||isNaN(data.charAt(7))||isNaN(data.charAt(8)) ) { error = 1; validFormat = false; } else { validFormat = true; day = eval(data.charAt(3)); day = parseInt(day); mnth = eval(data.charAt(0)+data.charAt(1)); mnth = parseInt(mnth); yr = eval(data.charAt(5)+data.charAt(6)+data.charAt(7)+data.charAt(8)); yr = parseInt(yr); } //alert("mm/d/yyyy format"); } //----------------------------------------------------------------------------------------------------- // m/d/yyyy format else if( (data.charAt(1)=="/" && data.charAt(3)=="/" && data.length==8) ) { if( isNaN(data.charAt(0))||isNaN(data.charAt(2))||isNaN(data.charAt(4))||isNaN(data.charAt(5))||isNaN(data.charAt(6))||isNaN(data.charAt(7)) ) { error = 1; validFormat = false; } else { validFormat = true; day = eval(data.charAt(2)); day = parseInt(day); mnth = eval(data.charAt(0)); mnth = parseInt(mnth); yr = eval(data.charAt(4)+data.charAt(5)+data.charAt(6)+data.charAt(7)); yr = parseInt(yr); } //alert("m/d/yyyy format"); } // none of the above are true else { validFormat = false; } if(validFormat == false) { error = 1; } if(validFormat == true) { // mnthArray[0] is january, mnthArray[11] is december mnthArray = new Array(31,29,31,30,31,30,31,31,30,31,30,31); mydate = new Date(yr,mnth,day); monthArray = mnth - 1; if( parseInt(day) > parseInt(mnthArray[parseInt(monthArray)]) ) { error = 3; } if( parseInt(day) == parseInt(0) ) { error = 3; } if( parseInt(yr) == parseInt(0) ) { error = 4; } if(mnth>12 || mnth<1) { error = 2; } } //alert("error is " + error); switch(error) { case 1: alert( message + " must be in mm/dd/yyyy format"); dateFocus.focus(); return false; break; case 2: alert("The month you entered in " + message + " is an invalid month."); dateFocus.focus(); return false; break; case 3: alert("The day you entered in " + message + " is an invalid day."); dateFocus.focus(); return false; break; case 4: alert("The year you entered in " + message + " is an invalid year."); dateFocus.focus(); return false; break; case 5: return true; break; default: return true; } } return true; } function isCurrency(currency) { var regexp = /^([$]?\d*|[$]?\d*[.]\d{2})$/; if(regexp.test(currency) == false || currency=="$" || currency=="") { alert( "Please check the Currency Field!" ); return false; } else { return true; } } function isCurrencyMessage(currencyObj, message) { var regexp = /^([$]?\d*|[$]?\d*[.]\d{2})$/; if(regexp.test(currencyObj) == false || currencyObj=="$" || currencyObj=="") { alert( message ); currencyObj.focus(); return false; } else { return true; } } function isZip(zip) { var regexp = /^\d{5}$/; if(regexp.test(zip.value) == false) { window.alert( "Please check zip field!" ); zip.value.focus(); return false; } else return true; } function checkThreeMessage(field, message) { //checks if there is 3 numbers var regexp = /^(\d{3,})|(\w{3,})$/; if(regexp.test(field.value) == false) { window.alert( message ); field.focus(); return false; } else return true; } function isPhone(form) { if(form.phone.value == "") { return true; } else { var regexp = /^((\(\d{3}\)|d{3})[- ]?)?\d{3}[- ]?\d{4}$/; if(regexp.test(form.phone.value) == false) { window.alert( "Please check phone field!" ); return false; } else return true; } } // Returns true if a radio button is checked: function checkRadioMessage( radioObj, message ) { var n = radioObj.length; for ( var i = 0; i < n; i++ ) { if ( radioObj[i].checked ) return true; } window.alert( message ); radioObj[0].focus(); return false; } // Returns true if the value of the text element is a number: function isWholeNumberMessage( textObj, message, requiredFlag ) { var regexp = /^\d*$/; if ( (requiredFlag == false) && (textObj.value == "") ) { return true; } else { if ( isEmpty( textObj ) ) { window.alert( message ); textObj.value = ""; textObj.focus(); return false; } if(regexp.test( textObj.value ) == false) { window.alert( message ); textObj.value = ""; textObj.focus(); return false; } else return true; } return true; } // Returns true if the value of the text element is a number: function isNumber2DecimalMessage( textObj, message, requiredFlag ) { var regexp = /^(\d*|\d*.[0-9]{2}|\d*.[0-9]{1})$/; if ( (requiredFlag == false) && (textObj.value == "") ) { return true; } else { if ( isEmpty( textObj ) ) { window.alert( message ); textObj.value = ""; textObj.focus(); return false; } if(regexp.test( textObj.value ) == false) { window.alert( message ); textObj.value = ""; textObj.focus(); return false; } else return true; } return true; }