https://www.erwinsdate.de/js/functions.r40242.js

1// $Id: functions.js 40080 2026-06-17 10:11:10Z warren $
2
3//--- Init JS code ----------------------------------
4
5(function() {
6	// Avoid console errors in browsers that lack a console (borrowed from H5BP)
7	var method;
8	var noop = function () {};
9	var methods = [
10		'assert', 'clear', 'count', 'debug', 'dir', 'dirxml', 'error',
11		'exception', 'group', 'groupCollapsed', 'groupEnd', 'info', 'log',
12		'markTimeline', 'profile', 'profileEnd', 'table', 'time', 'timeEnd',
13		'timeline', 'timelineEnd', 'timeStamp', 'trace', 'warn'
14	];
15	var length = methods.length;
16	var console = (window.console = window.console || {});
17
18	while (length--) {
19		method = methods[length];
20
21		// Only stub undefined methods.
22		if (!console[method]) {
23			console[method] = noop;
24		}
25	}
26}());
27
28//--- Browser polyfills ------------------------------------
29
30function getElementsByClassName (className, tag, elm){
31	var testClass = new RegExp("(^|\\s)" + className + "(\\s|$)");
32	var tag = tag || "*";
33	var elm = elm || document;
34	var elements = (tag == "*" && elm.all) ? elm.all : elm.getElementsByTagName(tag);
35	var returnElements = [];
36	var current;
37	var length = elements.length;
38	for (var i = 0; i < length; i++) {
39		current = elements[i];
40		if (testClass.test(current.className)) {
41			returnElements.push(current);
42		}
43	}
44	return returnElements;
45}
46
47// Add support for the array push method in IE 5
48if (typeof Array.prototype.push != "function") {
49	Array.prototype.push = ArrayPush;
50	function ArrayPush(value) {
51		this[this.length] = value;
52	}
53}
54
55if (typeof Object.assign != 'function') {
56	// Sourced from: https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
57	Object.assign = function(target, varArgs) { // .length of function is 2
58		'use strict';
59		if (target == null) { // TypeError if undefined or null
60			throw new TypeError('Cannot convert undefined or null to object');
61		}
62
63		var to = Object(target);
64
65		for (var index = 1; index < arguments.length; index++) {
66			var nextSource = arguments[index];
67
68			if (nextSource != null) { // Skip over if undefined or null
69				for (var nextKey in nextSource) {
70					// Avoid bugs when hasOwnProperty is shadowed
71					if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
72						to[nextKey] = nextSource[nextKey];
73					}
74				}
75			}
76		}
77		return to;
78	};
79}
80
81//--- Utility functions ------------------------------------
82
83function $() { /* jQuery-like function */
84	var elements = new Array();
85	for (var i = 0; i < arguments.length; i++) {
86		var element = arguments[i];
87		if (typeof element == 'string') element = document.getElementById(element);
88		if (arguments.length == 1) return element;
89		elements.push(element);
90	}
91	return elements;
92}
93
94// Implement a PHP-like function to check if a value exists in an array
95function inArray (needle, haystack, strict) {
96	if (typeof haystack == 'undefined') {
97		return false;
98	}
99	var length = haystack.length;
100	if (typeof strict == 'undefined' || (typeof strict == 'number' && strict < 0)) {
101		strict = false;
102	}
103	for (var i = 0; i < length; i++) {
104		 if ((strict && haystack[i] === needle) || (!strict && haystack[i] == needle)) {
105			return true;
106		}
107	}
108	return false;
109}
110
111// Implement a PHP-like function to recursively count the number of occurrences of a substring
112function substrCount (str, substr, start, foundCount) {
113	foundCount = (typeof foundCount != "undefined") ? foundCount : 0;
114	start = (typeof start != "undefined") ? start : 0;
115	var pos = str.indexOf(substr, start);
116	if (!(pos == -1)) {
117		foundCount = substrCount(str, substr, pos + 1, foundCount + 1);
118	}
119	return foundCount;
120}
121

122/*
123http://onlinetools.org/articles/unobtrusivejavascript/cssjsseparation.html
124
125a		defines the action you want the function to perform.
126o		the object in question.
127c1		the name of the first class
128c2		the name of the second class
129
130Possible actions are:
131swap		replaces class c1 with class c2 in object o.
132add			adds class c1 to the object o.
133remove		removes class c1 from the object o.
134check		test if class c1 is already applied to object o and returns true or false. 
135*/
136function multipleClasses (a, o, c1, c2) {
137	switch (a) {
138		case "swap":
139			o.className =! multipleClasses("check", o, c1) ? o.className.replace(c2, c1) : o.className.replace(c1, c2);
140			break;
141
142		case "add":
143			if (!multipleClasses("check", o, c1)) {
144				o.className += o.className ? ' ' + c1 : c1;
145			}
146			break;
147
148		case "remove":
149			var rep = o.className.match(" " + c1) ? " " + c1 : c1;
150			o.className = o.className.replace(rep, "");
151			break;
152
153		case "check":
154			return new RegExp('\\b'+c1+'\\b').test(o.className);
155			break;
156	}
157}
158
159// Returns true if Google Gears is installed, otherwise false
160function gearsInstalled () {
161	var gearsResult = false;

162	if (typeof google != 'undefined' && typeof google.gears != 'undefined') {
163		gearsResult = true;
164	}
165	return gearsResult;
166}
167
168function setRawCookie (name, value, expires, path, domain, secure) {
169	if (typeof expires === 'string' && (/^\d+$/).test(expires)) {
170		expires = parseInt(expires, 10);
171	}
172
173	if (expires instanceof Date) {
174		expires = expires.toGMTString();
175	} else if (typeof expires === 'number') {
176		var date = new Date();
177		date.setTime(date.getTime() + (expires * 24 * 60 * 60 * 1000));
178		expires = date.toGMTString();
179	}
180
181	var r = [name + '=' + value], s = {}, i = '';
182	s = {
183		expires: expires,
184		path: path,
185		domain: domain
186	};
187	for (i in s) {
188		if (s.hasOwnProperty(i)) {
189			s[i] && r.push(i + '=' + s[i]);
190		}
191	}
192
193	return secure && r.push('secure'), document.cookie = r.join(';'), true;
194}
195
196function setCookie (name, value, expires, path, domain, secure) {
197	return setRawCookie(name, encodeURIComponent(value), expires, path, domain, secure);
198}
199
200function getCookie (name) {
201	var cookies = document.cookie.split('; ');
202
203	for (var i = cookies.length - 1; i >= 0; i--) {
204		var cookie = cookies[i].split('=');
205		if (name == cookie[0]) {
206			return decodeURIComponent(cookie[1]);
207		}
208	}
209
210	return null;
211}
212
213function deleteCookie (name) {
214	setCookie(name, '', -1);
215}
216
217function isOldBlackberry () {
218	var userAgent = navigator.userAgent.toLowerCase();
219	return (userAgent.indexOf("blackberry") >= 0 && userAgent.indexOf("webkit") == -1);
220}
221
222// Escape html entities for XSS prevention on the JS side
223function escapeHtml (text) {
224  return text
225      .replace(/&/g, "&")
226      .replace(/</g, "&lt;")
227      .replace(/>/g, "&gt;")
228      .replace(/"/g, "&quot;")
229      .replace(/'/g, "&#039;");
230}
231
232// Returns a dateTime string (Y-m-d H:i:s). The dateTime returned will be a reflection of the time currently set on the users device.
233function getCurrentClientDateTime (serverTime, secondsToAdd, friendlyDateFormat) {
234	serverTime = serverTime.replace(/-/g,"/"); // Required to convert serverTime string into date object
235	var monthNames = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
236	var currentDate = new Date(serverTime);
237	currentDate = new Date(currentDate .getTime() + (secondsToAdd * 1000));
238
239	var months = (currentDate.getMonth() < 9) ? "0" + (currentDate.getMonth() + 1) : (currentDate.getMonth() + 1);
240	var days = (currentDate.getDate() < 10) ? "0" + currentDate.getDate() : currentDate.getDate();
241	var hours = (currentDate.getHours() < 10) ? "0" + currentDate.getHours() : currentDate.getHours();
242	var minutes = (currentDate.getMinutes() < 10) ? "0" + currentDate.getMinutes() : currentDate.getMinutes();
243	var seconds = (currentDate.getSeconds() < 10) ? "0" + currentDate.getSeconds() : currentDate.getSeconds();
244
245	if (friendlyDateFormat) {
246		if (varStrings["rwd2015"]) {
247			var clientDataTime = hours + ":" + minutes;
248		} else {
249			var clientDataTime = days + " "
250				+ monthNames[currentDate.getMonth()] + " "
251				+ currentDate.getFullYear() + ", "
252				+ hours + ":"
253				+ minutes;
254		}
255	} else {
256		var clientDataTime = currentDate.getFullYear() + "-"
257			+ months + "-"
258			+ days + " "
259			+ hours + ":"
260			+ minutes + ":"
261			+ seconds;
262	}	
263
264	return clientDataTime;
265}
266
267// Returns a date string e.g. "15 June 2014".
268function getCurrentClientDate () {
269	var currentDate = new Date();
270	var day = currentDate.getDate();
271	var month = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"][currentDate.getMonth()];
272	var year = currentDate.getFullYear();
273
274	return day + " " + month + " " + year;
275}
276
277// jQuery function that is equivalent to the Prototype's toQueryParams method, returns all parameters as a JS object
278function toQueryParams (url) {
279	var params = {};
280	if (!url) {
281		return params;
282	}
283	var urlParam = url.replace(/(^\?)/,'').split("&");	
284	urlParam.forEach(function (param) {
285		var kvPair = param.split("=");
286		var key = decodeURIComponent(kvPair[0] || "");
287		var value = decodeURIComponent(kvPair[1] || "");
288		if (key) {
289			params[key] = value;
290		}
291	});
292	return params;
293}
294
295function goPage (list) {
296	var quickNavList = (list != null) ? list : document.quicknavForm.quicknav;
297	var newPage = quickNavList.options[quickNavList.selectedIndex].value;
298	document.location.href = newPage;
299}
300
301// Toggle a password input field type between "password" and "text"
302function togglePasswordField (passwordElement, showPasswordElement) {
303	var passwordInput = document.getElementById(passwordElement);
304	var togglePasswordButton = document.getElementById(showPasswordElement);
305	if (passwordInput.type === 'password') {
306		passwordInput.type = 'text';
307		togglePasswordButton.setAttribute('aria-label', valStrings["hidePasswordLabel"]);
308	} else {
309		passwordInput.type = 'password';
310		togglePasswordButton.setAttribute('aria-label', valStrings["showPasswordLabel"]);
311	}
312	passwordInput.focus();
313}
314
315// Disable page zooming for mobile browsers
316function viewportZoomDisable () {
317	$('head meta[name=viewport]').remove();
318	$('head').prepend('<meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no, user-scalable=0" />');
319}
320
321// Enable page zooming in mobile browsers
322function viewportZoomEnable () {
323	$('head meta[name=viewport]').remove();
324	$('head').prepend('<meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no, user-scalable=1" />');
325}
326
327// Copy content to the clipboard.
328function copyToClipboard(source, target, successResponse, errorResponse) {
329	var copyValue;
330	if (navigator.clipboard) {
331		if ($(target).is(':input')) {
332			copyValue = $(target).val();
333		} else {

334			copyValue = $(target)[0].innerText;
335		}
336		if (copyValue != "") {
337			navigator.clipboard.writeText(copyValue)
338			.then(function() {
339				// clipboard successfully set
340				forceTriggerTooltip(source, successResponse);
341			}, function() {
342				// clipboard write failed
343				forceTriggerTooltip(source, errorResponse);
344			});
345		}
346	}
347}
348
349// Mimic a tooltip trigger event
350function forceTriggerTooltip (source, value) {
351	if (typeof window.jQuery.fn.tipsy != 'undefined') {
352		$(source).tipsy({gravity: $.fn.tipsy.autoBounds("auto", 's'), opacity: 1});
353		$(source).attr('title',value);
354		$(source).trigger('mouseenter');
355		$(source).removeAttr('title');
356		$(source).attr('original-title', '');
357	}
358}
359
360// Standard bitshift implementation of the djb2 hashing algorithm
361function djb2 (str) {
362	var hash = 5381;  // magic constant
363	var len = str.length;
364
365	for (var i = 0; i < len; i++) {
366		hash = ((hash << 5) + hash) + str.charCodeAt(i);
367	}
368
369	return hash >>> 0;
370}
371
372// Alternative XOR implementation of the djb2 hashing algorithm
373function djb2Xor (str) {
374	var hash = 5381;  // magic constant
375	var len = str.length;
376
377	for (var i = 0; i < len; i++) {
378		hash = (hash * 33) ^ str.charCodeAt(i);
379	}
380
381	return hash >>> 0;
382}