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git-svn-id: http://svn.ipfire.org/svn/ipfire/trunk@518 ea5c0bd1-69bd-2848-81d8-4f18e57aeed8
745 lines
20 KiB
JavaScript
745 lines
20 KiB
JavaScript
/*
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File Info: utility.js - JavaScript library
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Author: Drew S. Dupont
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Date: 2/26/2003 - 8/12/2004 (or present day)
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Description: Utility functions in JavaScript
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Drew S. Dupont <dsdupont@alumni.indiana.edu>
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*/
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// Show/Hide HTML Span
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function showHideHTML(id, content) {
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// Browser variables
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var ie45, ns6, ns4, dom = false;
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// Basic browser parse
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if (navigator.appName == "Microsoft Internet Explorer") {
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ie45 = parseInt(navigator.appVersion) >= 4;
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} else if (navigator.appName == "Netscape") {
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ns6 = parseInt(navigator.appVersion) >= 5;
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ns4 = parseInt(navigator.appVersion) < 5;
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}
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dom = ie45 || ns6;
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// Return if using an old Netscape browser
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if(ns4) return;
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// Check for type of call supported
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el = document.all ? document.all[id] : dom ? document.getElementById(id) : document.layers[id];
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// Check if content to be "switched" is ""
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if (content == "") {
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// Return old content and replace with ""
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content = el.innerHTML;
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el.innerHTML = "";
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} else {
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// Replace current content with new content and return ""
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el.innerHTML = content;
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content = "";
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}
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// Return content (either old or "")
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return content;
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}
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// Check for special chars
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function checkForSpecialChars(field, alphaStart, specialCheckChars) {
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// Local vars
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var alphaStartChars = /^[a-zA-Z]/;
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var noSpecialChars = /([^a-zA-Z0-9 _,?!':;\r\t\n\/\\\-\.#@]+)/;
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// Check if should start with an alpha char
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if (alphaStart) {
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// Make sure starts with a alpha char
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if (alphaStartChars.test(field.value)) {
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// Check for special chars
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if (noSpecialChars.test(field.value)) {
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// Return true
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return true;
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} else {
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// Check for specialCheckChars
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if (specialCheckChars && (specialCheckChars.test(field.value))) {
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// Return true
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return true;
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} else {
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// Return false
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return false;
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}
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}
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} else {
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// Return true
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return true;
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}
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} else {
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// Check if contains any special chars
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if (noSpecialChars.test(field.value)) {
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// Return true
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return true;
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} else {
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// Check for specialCheckChars
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if (specialCheckChars && (specialCheckChars.test(field.value))) {
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// Return true
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return true;
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} else {
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// Return false
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return false;
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}
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}
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}
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} // End checkForSpecialChars
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// Launch help
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function launchHelp(helpSrc) {
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helpWindow = window.open(helpSrc, "helpWindow", "resizable=yes,menubar=no,statusbar=no,titlebar=no,scrollbars=yes,width=400,height=400")
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helpWindow.moveTo(25, 25);
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helpWindow.focus();
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}
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// Image On
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function imageOn(imageName) {
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document[imageName].src = eval(imageName + "_over.src");
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}
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// Image Off
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function imageOff(imageName) {
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document[imageName].src = eval(imageName + ".src");
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}
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// Image Down
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function imageDown(imageName) {
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document[imageName].src = eval(imageName + "_down.src");
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}
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// Image button On
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function imageButtonOn(item, imageName) {
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item.src = eval(imageName + "_over.src");
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}
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// Image button Off
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function imageButtonOff(item, imageName) {
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item.src = eval(imageName + ".src");
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}
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// Image button Down
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function imageButtonDown(item, imageName) {
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item.src = eval(imageName + "_down.src");
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}
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// changeStatus
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function changeStatus(message) {
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// Set window status
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window.status = message;
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// Return true
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return true;
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} // End changeStatus
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// isNumeric function
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function isNumeric(num) {
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// Boolean var
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var bolValidNum = true;
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var digits = "1234567890";
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var len = num.length;
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// Loop over num
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for (i = 0; i < len; ++i) {
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numSub = num.substring(i, i + 1);
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// Test for numeric match
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if (digits.indexOf(numSub) == -1) {
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bolValidNum = false;
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}
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}
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// Return boolean var
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return bolValidNum;
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} // End isNumeric
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// Check for numeric and display nice error
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function checkNumeric(field, message) {
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// Is it valid
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if (!isNumeric(field.value)) {
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alert(message);
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field.focus();
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}
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} // End checkNumeric
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// Function getInt which return numeric value of passed in string
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function getInt(str, i, minlength, maxlength) {
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for (x = maxlength; x >= minlength; --x) {
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var token = str.substring(i, i + x);
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// Check for numeric
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if (isNumeric(token)) {
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return token;
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}
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}
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// Return null
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return null;
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}
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// Function dateCheck, requires global err variable for passing error messages
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// and requires the isNumeric function
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function dateCheck(date, humanname, dateFormat) {
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// Date validation
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var date_s = date;
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// If no dateFormat, then set one
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if (dateFormat == null) {
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format = "mm/dd/yyyy";
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} else {
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format = dateFormat;
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}
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var date_err = 0; // Possible values are 0, 1
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var date_year_err = 0; // Possible values are 0, 1
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var date_month_err = 0; // Possible values are 1-12
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var date_day_err = 0; // Possible values are 0, 1, 2, 3, 4
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var i_date_s = 0;
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var i_format = 0;
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var err = "";
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var c = "";
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var token = "";
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var token2 = "";
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var x, y;
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var year = 0;
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var month = 0;
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var date = 0;
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var bYearProvided = false;
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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');
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// Trim the leading spaces from the string
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while (date_s.charAt(0) == ' ') {
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date_s = date_s.slice(1);
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}
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while (i_format < format.length) {
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// Get next token from format string
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c = format.charAt(i_format);
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token = "";
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while ((format.charAt(i_format) == c) && (i_format < format.length)) {
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token += format.charAt(i_format);
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++i_format;
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}
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// Extract contents of value based on format token
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if ((token == "yyyy") || (token == "yy") || (token == "y")) {
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if (token == "yyyy") { x = 4; y = 4; } // 4-digit year
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if (token == "yy") { x = 2; y = 2; } // 2-digit year
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if (token == "y") { x = 2; y = 4; } // 2-or-4-digit year
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year = getInt(date_s, i_date_s, x, y);
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bYearProvided = true;
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if ((year == null) || (year.length != token.length)) {
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date_year_err = 1;
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}
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i_date_s += year.length;
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} else {
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if (token == "mmm") { // Month name
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month = 0;
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for (var i = 0; i < MONTH_NAMES.length; ++i) {
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var month_name = MONTH_NAMES[i];
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if (date_s.substring(i_date_s, (i_date_s + month_name.length)).toLowerCase() == month_name.toLowerCase()) {
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month = i + 1;
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if (month > 12) {
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month -= 12;
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}
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i_date_s += month_name.length;
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break;
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}
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}
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if ((month == 0) || (month < 1) || (month > 12)) {
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date_month_err = 1;
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}
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} else {
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if ((token == "mm") || (token == "m")) {
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x = token.length; y = 2;
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month = getInt(date_s, i_date_s, x, y);
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if ((month == null) || (month < 1) || (month > 12)) {
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date_month_err = 1;
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}
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i_date_s += month.length;
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} else {
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if (token=="dd" || token=="d") {
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x = token.length; y = 2;
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date = getInt(date_s, i_date_s, x, y);
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if ((date == null) || (date < 1) || (date > 31)) {
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date_day_err = 1;
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}
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i_date_s += date.length;
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} else {
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if (date_s.substring(i_date_s, (i_date_s + token.length)) != token) {
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date_err = 1;
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} else {
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i_date_s += token.length;
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}
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}
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}
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}
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}
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}
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// If there are any trailing characters left in the date_s, it doesn't match
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if (i_date_s != date_s.length) {
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date_err = 1;
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}
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// Is date valid for month?
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if ((month == 4) || (month == 6) || (month == 9) || (month == 11)) {
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if (date > 30) {
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date_day_err = 2;
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}
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} else {
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if (month == 2) {
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// Check for leap year
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if ((((year % 4) == 0) && ((year % 100) != 0)) || ((year % 400) == 0)) {
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// Leap year
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if (date > 29) {
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date_day_err = 3
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}
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} else {
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if (date > 28) {
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date_day_err = 4;
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}
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}
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} else {
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if (date > 31) {
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date_day_err = 1;
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}
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}
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}
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// Add to the error message, if needed
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if (date_err != 0) {
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err += "\n - The " + humanname + " must be a valid date in the format " + format + ".";
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}
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// Add to the error message, if needed
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if (date_month_err != 0) {
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err += "\n - The month must be between 1-12.";
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}
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// Add to the error message, if needed
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if (date_year_err != 0) {
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err += "\n - The " + humanname + " must have a valid year.";
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}
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// Add to the error message, if needed
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if (date_day_err != 0) {
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switch (date_day_err) {
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case 1:
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err += "\n - The month you entered in the " + humanname + " can only have between 1 and 31 days.";
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break;
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case 2:
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err += "\n - The month you entered in the " + humanname + " can only have between 1 and 30 days.";
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break;
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case 3:
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err += "\n - The month you entered in the " + humanname + " can only have between 1 and 29 days in a Leap Year.";
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break;
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default:
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err += "\n - The month you entered in the " + humanname + " can only have between 1 and 28 days in a non-Leap Year.";
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break;
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}
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}
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return err;
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} // End dateCheck
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// Compares two MM/DD/YYY dates for less than (-1), equal to (0), or
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// greater than (1)
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function dateCompare(date1, date2) {
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var localDate1 = new Date(date1.substring(6,10), date1.substring(0,2), date1.substring(3,5));
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var localDate2 = new Date(date2.substring(6,10), date2.substring(0,2), date2.substring(3,5));
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// Greater than
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if (localDate1.getTime() > localDate2.getTime()) {
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return 1;
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} else {
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// Less than
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if (localDate1.getTime() < localDate2.getTime()) {
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return -1;
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} else {
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// Equal
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return 0;
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}
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}
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} // End dateCompare
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// All-purpose form validation script
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function checkForm(dataForm) {
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var msg = "";
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var stripBlanksStart = /^\s+/g;
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var stripBlanksEnd = /\s+$/g;
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var squeezeBlanks = /\s+/g;
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var stripNonNumbers = /\D+/g;
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var stripNotDollars = /[^0-9\.]/g;
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var noSpaces = /\s+/g;
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var allNumbers = /^\d+$/;
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var zipCodeCheck = /^(\d{5})$|^(\d{5}-\d{4})$/;
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var passwordNumbers = /\d{1,}/;
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var passwordLetters = /\D{1,}/;
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var emailPattern = /^[a-zA-Z0-9]([a-zA-Z0-9_\-\.]*)@([a-zA-Z0-9_\-\.]*)(\.[a-zA-Z]{2,3}(\.[a-zA-Z]{2}){0,2})$/i;
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var replaceSeps = /[-,\.\/]/g;
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var time24Format = /^(([0-1]?\d)|(2[0-3])):[0-5]\d(:([0-5]\d))?/;
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var time12Format = /^(\d|0\d|1[0-2]):[0-5]\d(:[0-5]\d)?( (A|P)\.?M\.?)?/;
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var ipNetworkAddress = /^((\d{1,2}|[1]\d{2}|2[0-4]\d|25[0-5])(\.(\d{1,2}|[1]\d{2}|2[0-4]\d|25[0-5])){3}){1}((\/(0\.0\.0\.0|128\.0\.0\.0|192\.0\.0\.0|224\.0\.0\.0|240\.0\.0\.0|248\.0\.0\.0|252\.0\.0\.0|254\.0\.0\.0|(255\.(0\.0\.0|128\.0\.0|192\.0\.0|224\.0\.0|240\.0\.0|248\.0\.0|252\.0\.0|254\.0\.0|(255\.(0\.0|128\.0|192\.0|224\.0|240\.0|248\.0|252\.0|254\.0|(255\.(0|128|192|224|240|248|252|254|255))))))))|(\/(\d|[1-2]\d|3[0-2]))){0,1}$/;
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var ipNetworkPort = /^(\d{1,4}|[1-5]\d{4}|6[0-4]\d{3}|65[0-4]\d{2}|655[0-2]\d|6553[0-5]){1}((\:|\-)(\d{1,4}|[1-5]\d{4}|6[0-4]\d{3}|65[0-4]\d{2}|655[0-2]\d|6553[0-5])){0,1}$/;
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var passwordLength = 6;
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var error_fields = "";
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var errors = "";
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// Loop over form elements
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for (var i = 0; i < dataForm.length; ++i) {
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var element = dataForm.elements[i];
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// Check for select box
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if (element.selectbox) {
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// Check for required
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if (element.required) {
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// Check for value
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if (element.options[element.selectedIndex].value == "") {
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error_fields += "\n - " + element.humanname + " requires a selection.";
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}
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}
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continue;
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}
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// Strip the leading and trailing blanks
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element.value = element.value.replace(stripBlanksStart, '');
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element.value = element.value.replace(stripBlanksEnd, '');
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// If it is required and is empty, alert
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if (element.required && (!element.value.length)) {
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error_fields += "\n - " + element.humanname + " is required.";
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continue;
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} else {
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// If it isn't required and doesn't have any length, skip it
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if ((! element.required) && (! element.value.length)) {
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continue;
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}
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}
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// Check for special characters
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if (element.checkspecialchars) {
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if (checkForSpecialChars(element, element.alphaStart, element.specialChars)) {
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error_fields += "\n - " + element.humanname + " contains invalid characters.";
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continue;
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}
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}
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// Convert to uppercase if necessary
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if (element.uppercase) {
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element.value = element.value.toUpperCase();
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}
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// Convert to uppercase if necessary
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if (element.lowercase) {
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element.value = element.value.toLowerCase();
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}
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// UCFirst if necessary
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if (element.ucfirst) {
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// Squeeze the blanks
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rs = element.value.replace(squeezeBlanks, ' ');
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dsegs = rs.split(' ');
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element.value = "";
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// Loop over chars
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for (j = 0; j < dsegs.length; ++j) {
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if (dsegs[j].length > 1) {
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fl = dsegs[j].substr(0, 1);
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fl = fl.toUpperCase();
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rn = dsegs[j].substr(1);
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rn = rn.toLowerCase();
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dsegs[j] = fl + rn;
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}
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// Check for first value
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element.value = j ? element.value + ' ' + dsegs[j] : dsegs[j];
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}
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}
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// Check for equality test
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if (element.equalto) {
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// Check for truevalue and use if found, otherwise use value
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var elementValue1 = element.truevalue ? element.truevalue : element.value;
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var elementValue2 = element.equaltovalue.truevalue ? element.equaltovalue.truevalue : element.equaltovalue.value;
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// Check for value equality
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if (elementValue1 != elementValue2) {
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error_fields +="\n - " + element.humanname + " is not the same as " + element.equaltovalue.humanname;
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continue;
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}
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}
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// Check for less than
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if (element.lessthan) {
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// Check for truevalue and use if found, otherwise use value
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var elementValue1 = element.truevalue ? element.truevalue : element.value;
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var elementValue2 = element.lessthanvalue.truevalue ? element.lessthanvalue.truevalue : element.lessthanvalue.value;
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// Check for values
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if ((elementValue1 != '') && (elementValue2 != '')) {
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// Check for value less than
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if (elementValue1 >= elementValue2) {
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error_fields +="\n - " + element.humanname + " must be less than " + element.lessthanvalue.humanname;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check for less than equalto
|
|
if (element.lessthanequalto) {
|
|
// Check for truevalue and use if found, otherwise use value
|
|
var elementValue1 = element.truevalue ? element.truevalue : element.value;
|
|
var elementValue2 = element.lessthanequaltovalue.truevalue ? element.lessthanequaltovalue.truevalue : element.lessthanequaltovalue.value;
|
|
|
|
// Check for values
|
|
if ((elementValue1 != '') && (elementValue2 != '')) {
|
|
// Check for value less than equalto
|
|
if (elementValue1 > elementValue2) {
|
|
error_fields +="\n - " + element.humanname + " must be less than or equal to " + element.lessthanequaltovalue.humanname;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check for greater than
|
|
if (element.greaterthan) {
|
|
// Check for truevalue and use if found, otherwise use value
|
|
var elementValue1 = element.truevalue ? element.truevalue : element.value;
|
|
var elementValue2 = element.greaterthanvalue.truevalue ? element.greaterthanvalue.truevalue : element.greaterthanvalue.value;
|
|
|
|
// Check for values
|
|
if ((elementValue1 != '') && (elementValue2 != '')) {
|
|
// Check for value greater than
|
|
if (elementValue1 <= elementValue2) {
|
|
error_fields +="\n - " + element.humanname + " must be greater than " + element.greaterthanvalue.humanname;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check for greater than equalto
|
|
if (element.greaterthanequalto) {
|
|
// Check for truevalue and use if found, otherwise use value
|
|
var elementValue1 = element.truevalue ? element.truevalue : element.value;
|
|
var elementValue2 = element.greaterthanequaltovalue.truevalue ? element.greaterthanequaltovalue.truevalue : element.greaterthanequaltovalue.value;
|
|
|
|
// Check for values
|
|
if ((elementValue1 != '') && (elementValue2 != '')) {
|
|
// Check for value greater than equalto
|
|
if (elementValue1 < elementValue2) {
|
|
error_fields +="\n - " + element.humanname + " must be greater than or equal to " + element.greaterthanequaltovalue.humanname;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check a price (sort of)
|
|
if (element.price) {
|
|
// Strip out currency stuff
|
|
element.value = element.value.replace(stripNotDollars, '');
|
|
continue;
|
|
}
|
|
|
|
// Check a telephone number
|
|
if (element.telephone) {
|
|
// Strip out parens and spaces
|
|
rs = element.value.replace(stripNonNumbers, '');
|
|
|
|
if (rs.length == 7) {
|
|
element.value = rs.substr(0, 3) + "-" + rs.substr(3, 4);
|
|
} else {
|
|
if (rs.length == 10) {
|
|
element.value = rs.substr(0, 3) + "-" + rs.substr(3, 3) + "-" + rs.substr(6, 4);
|
|
} else {
|
|
error_fields += "\n - " + element.humanname + " is an invalid telephone number.";
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// Check a zip code
|
|
if (element.zipcode) {
|
|
if (!zipCodeCheck.test(element.value)) {
|
|
error_fields +="\n - " + element.humanname + " is an invalid zipcode.";
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// Check a password (sort of)
|
|
if (element.password) {
|
|
if (element.value.length < passwordLength) {
|
|
error_fields += "\n - " + element.humanname + " is too short";
|
|
error_fields += "\n Minimum length is " + passwordLength + " characters.";
|
|
continue;
|
|
}
|
|
|
|
if (!passwordNumbers.test(element.value)) {
|
|
error_fields += "\n - " + element.humanname + " must contain at least one number.";
|
|
continue;
|
|
}
|
|
|
|
if (!passwordLetters.test(element.value)) {
|
|
error_fields += "\n - " + element.humanname + " must contain at least one letter.";
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Check for all numbers
|
|
if (element.numeric) {
|
|
if (!allNumbers.test(element.value)) {
|
|
error_fields += "\n - " + element.humanname + " is not numeric.";
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// Check an email address for validity
|
|
if (element.email) {
|
|
element.value = element.value.replace(noSpaces, '');
|
|
|
|
if (!emailPattern.test(element.value)) {
|
|
error_fields += "\n - " + element.humanname + " is not a valid email address.";
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// Check a date
|
|
if (element.date) {
|
|
error_fields += dateCheck(element.value, element.humanname, element.format);
|
|
continue;
|
|
}
|
|
|
|
// Check a time
|
|
if (element.time) {
|
|
// Check for 24 hour time
|
|
if (element.time24) {
|
|
// Check for valid
|
|
if (!time24Format.test(element.value)) {
|
|
error_fields += "\n - " + element.humanname + " is not a valid 24 hour time.";
|
|
}
|
|
} else {
|
|
// Check for valid
|
|
if (!time12Format.test(element.value)) {
|
|
error_fields += "\n - " + element.humanname + " is not a valid 12 hour time.";
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// Check the lengths
|
|
if (element.minlen && (element.value.length < element.minlen)) {
|
|
error_fields += "\n - " + element.humanname + " is too short";
|
|
error_fields += "\n Minimum length is " + element.minlen + " characters.";
|
|
continue;
|
|
}
|
|
|
|
if (element.maxlen && (element.value.length > element.maxlen)) {
|
|
error_fields +="\n - " + element.humanname + " is too long";
|
|
error_fields +="\n Maximum length is " + element.maxlen + " characters.";
|
|
continue;
|
|
}
|
|
|
|
// Check for ip/network address
|
|
if (element.ipnetworkaddress) {
|
|
if (!ipNetworkAddress.test(element.value)) {
|
|
error_fields +="\n - " + element.humanname + " is not a valid ip/network address";
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// Check for ip/network port
|
|
if (element.ipnetworkport) {
|
|
if (!ipNetworkPort.test(element.value)) {
|
|
error_fields +="\n - " + element.humanname + " is not a valid ip/network port";
|
|
} else {
|
|
var searchChar = "";
|
|
var portArray = "";
|
|
|
|
if (element.value.indexOf(":") > -1) {
|
|
searchChar = ":";
|
|
} else if (element.value.indexOf("-") > -1) {
|
|
searchChar = "-";
|
|
}
|
|
|
|
if (searchChar != '') {
|
|
portArray = element.value.split(searchChar);
|
|
|
|
if (portArray.length == 2) {
|
|
if (parseInt(portArray[0]) > parseInt(portArray[1])) {
|
|
error_fields +="\n - " + element.humanname + " can not have a start port greater than an end port";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Check for any errors
|
|
if (error_fields == "") {
|
|
return true;
|
|
} else {
|
|
msg = "The following fields have errors:\n";
|
|
msg += error_fields;
|
|
alert(msg);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Clear data
|
|
function clearData(field, data) {
|
|
// Check if they equal
|
|
if (field.value == data) {
|
|
// Clear data
|
|
field.value = '';
|
|
}
|
|
}
|
|
|
|
// Set empty data
|
|
function setEmptyData(field, data) {
|
|
// Check if they equal
|
|
if (! field.value.length) {
|
|
// Clear data
|
|
field.value = data;
|
|
}
|
|
}
|
|
|
|
// Trim whitespace from beginning and end
|
|
function trim(data) {
|
|
var objRegExp = /^(\s*)$/;
|
|
|
|
// Check for all spaces
|
|
if (objRegExp.test(data)) {
|
|
data = data.replace(objRegExp, '');
|
|
|
|
if (data.length == 0)
|
|
return data;
|
|
}
|
|
|
|
// Check for leading & trailing spaces
|
|
objRegExp = /^(\s*)([\W\w]*)(\b\s*$)/;
|
|
|
|
if (objRegExp.test(data)) {
|
|
// Remove leading and trailing whitespace characters
|
|
data = data.replace(objRegExp, '$2');
|
|
}
|
|
|
|
return data;
|
|
}
|