* Version 2.71.0-2020.12.08
* Requires jQuery v1.12 or later
* Examples at: http://malsup.com/jquery/block/
* Copyright (c) 2007-2013 M. Alsup
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
* Thanks to Amir-Hossein Sobhi for some excellent contributions!
/*jshint eqeqeq:false curly:false latedef:false */
var migrateDeduplicateWarnings = jQuery.migrateDeduplicateWarnings || false;
jQuery.migrateDeduplicateWarnings = false;
$.fn._fadeIn = $.fn.fadeIn;
var noOp = $.noop || function() {};
// this bit is to ensure we don't call setExpression when we shouldn't (with extra muscle to handle
// confusing userAgent strings on Vista)
var msie = /MSIE/.test(navigator.userAgent);
var ie6 = /MSIE 6.0/.test(navigator.userAgent) && ! /MSIE 8.0/.test(navigator.userAgent);
var mode = document.documentMode || 0;
var setExpr = "function" === typeof document.createElement('div').style.setExpression;
// global $ methods for blocking/unblocking the entire page
$.blockUI = function(opts) { install(window, opts); };
$.unblockUI = function(opts) { remove(window, opts); };
// convenience method for quick growl-like notifications (http://www.google.com/search?q=growl)
$.growlUI = function(title, message, timeout, onClose) {
var $m = $('<div class="growlUI"></div>');
if (title) $m.append('<h1>'+title+'</h1>');
if (message) $m.append('<h2>'+message+'</h2>');
if (timeout === undefined) timeout = 3000;
// Added by konapun: Set timeout to 30 seconds if this growl is moused over, like normal toast notifications
var callBlock = function(opts) {
fadeIn : typeof opts.fadeIn !== 'undefined' ? opts.fadeIn : 700,
fadeOut: typeof opts.fadeOut !== 'undefined' ? opts.fadeOut : 1000,
timeout: typeof opts.timeout !== 'undefined' ? opts.timeout : timeout,
css: $.blockUI.defaults.growlCSS
var nonmousedOpacity = $m.css('opacity');
$m.on('mouseover', function() {
var displayBlock = $('.blockMsg');
displayBlock.stop(); // cancel fadeout if it has started
displayBlock.fadeTo(300, 1); // make it easier to read the message by removing transparency
}).on('mouseout', function() {
$('.blockMsg').fadeOut(1000);
// plugin method for blocking element content
$.fn.block = function(opts) {
if ( this[0] === window ) {
var fullOpts = $.extend({}, $.blockUI.defaults, opts || {});
if (fullOpts.ignoreIfBlocked && $el.data('blockUI.isBlocked'))
$el.unblock({ fadeOut: 0 });
return this.each(function() {
if ($.css(this,'position') == 'static') {
this.style.position = 'relative';
$(this).data('blockUI.static', true);
this.style.zoom = 1; // force 'hasLayout' in ie
// plugin method for unblocking element content
$.fn.unblock = function(opts) {
if ( this[0] === window ) {
return this.each(function() {
$.blockUI.version = 2.70; // 2nd generation blocking at no extra cost!
// override these in your code to change the default behavior and style
// message displayed when blocking (use null for no message)
message: '<h1>Please wait...</h1>',
title: null, // title string; only used when theme == true
draggable: true, // only used when theme == true (requires jquery-ui.js to be loaded)
theme: false, // set to true to use with jQuery UI themes
// styles for the message when blocking; if you wish to disable
// these and use an external stylesheet then do this in your code:
// $.blockUI.defaults.css = {};
border: '3px solid #aaa',
// minimal style set used when themes are used
// styles for the overlay
// style to replace wait cursor before unblocking to correct issue
// of lingering wait cursor
// styles applied when using $.growlUI
'-webkit-border-radius':'10px',
'-moz-border-radius': '10px',
// IE issues: 'about:blank' fails on HTTPS and javascript:false is s-l-o-w
// (hat tip to Jorge H. N. de Vasconcelos)
/*jshint scripturl:true */
iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank',
// force usage of iframe in non-IE browsers (handy for blocking applets)
// z-index for the blocking overlay
// set these to true to have the message automatically centered
centerX: true, // <-- only effects element blocking (page block controlled via css above)
// allow body element to be stetched in ie6; this makes blocking look better
// on "short" pages. disable if you wish to prevent changes to the body height
// enable if you want key and mouse events to be disabled for content that is blocked
// be default blockUI will supress tab navigation from leaving blocking content
// (if bindEvents is true)
// fadeIn time in millis; set to 0 to disable fadeIn on block
// fadeOut time in millis; set to 0 to disable fadeOut on unblock
// time in millis to wait before auto-unblocking; set to 0 to disable auto-unblock
// disable if you don't want to show the overlay
// if true, focus will be placed in the first available input field when
// elements that can receive focus
focusableElements: ':input:enabled:visible',
// suppresses the use of overlay styles on FF/Linux (due to performance issues with opacity)
// no longer needed in 2012
// applyPlatformOpacityRules: true,
// callback method invoked when fadeIn has completed and blocking message is visible
// callback method invoked when unblocking has completed; the callback is
// passed the element that has been unblocked (which is the window object for page
// blocks) and the options that were passed to the unblock call:
// onUnblock(element, options)
// callback method invoked when the overlay area is clicked.
// setting this will turn the cursor to a pointer, otherwise cursor defined in overlayCss will be used.
// don't ask; if you really must know: http://groups.google.com/group/jquery-en/browse_thread/thread/36640a8730503595/2f6a79a77a78e493#2f6a79a77a78e493
// class name of the message block
blockMsgClass: 'blockMsg',
// if it is already blocked, then ignore it (don't unblock and reblock)
// private data and functions follow...
function install(el, opts) {
var full = (el == window);
var msg = (opts && opts.message !== undefined ? opts.message : undefined);
opts = $.extend({}, $.blockUI.defaults, opts || {});
if (opts.ignoreIfBlocked && $(el).data('blockUI.isBlocked'))
opts.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, opts.overlayCSS || {});
css = $.extend({}, $.blockUI.defaults.css, opts.css || {});
opts.overlayCSS.cursor = 'pointer';
themedCSS = $.extend({}, $.blockUI.defaults.themedCSS, opts.themedCSS || {});
msg = msg === undefined ? opts.message : msg;
// remove the current block (if there is one)
remove(window, {fadeOut:0});
// if an existing element is being used as the blocking content then we capture
// its current place in the DOM (and current display style) so we can restore
if (msg && typeof msg != 'string' && (msg.parentNode || msg.jquery)) {
var node = msg.jquery ? msg[0] : msg;
$(el).data('blockUI.history', data);
data.parent = node.parentNode;
data.display = node.style.display;
data.position = node.style.position;
data.parent.removeChild(node);
$(el).data('blockUI.onUnblock', opts.onUnblock);
// blockUI uses 3 layers for blocking, for simplicity they are all used on every platform;
// layer1 is the iframe layer which is used to supress bleed through of underlying content
// layer2 is the overlay layer which has opacity and a wait cursor (by default)
// layer3 is the message content that is displayed while blocking
if (msie || opts.forceIframe)
lyr1 = $('<iframe class="blockUI" style="z-index:'+ (z++) +';display:none;border:none;margin:0;padding:0;position:absolute;width:100%;height:100%;top:0;left:0" src="'+opts.iframeSrc+'"></iframe>');
lyr1 = $('<div class="blockUI" style="display:none"></div>');
lyr2 = $('<div class="blockUI blockOverlay ui-widget-overlay" style="z-index:'+ (z++) +';display:none"></div>');
lyr2 = $('<div class="blockUI blockOverlay" style="z-index:'+ (z++) +';display:none;border:none;margin:0;padding:0;width:100%;height:100%;top:0;left:0"></div>');
if (opts.theme && full) {
s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage ui-dialog ui-widget ui-corner-all" style="z-index:'+(z+10)+';display:none;position:fixed">';
s += '<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || ' ')+'</div>';
s += '<div class="ui-widget-content ui-dialog-content"></div>';
s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement ui-dialog ui-widget ui-corner-all" style="z-index:'+(z+10)+';display:none;position:absolute">';
s += '<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">'+(opts.title || ' ')+'</div>';
s += '<div class="ui-widget-content ui-dialog-content"></div>';
s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage" style="z-index:'+(z+10)+';display:none;position:fixed"></div>';
s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement" style="z-index:'+(z+10)+';display:none;position:absolute"></div>';
// if we have a message, style it
lyr3.addClass('ui-widget-content');
if (!opts.theme /*&& (!opts.applyPlatformOpacityRules)*/)
lyr2.css(opts.overlayCSS);
lyr2.css('position', full ? 'fixed' : 'absolute');
// make iframe layer transparent in IE
if (msie || opts.forceIframe)
//$([lyr1[0],lyr2[0],lyr3[0]]).appendTo(full ? 'body' : el);
var layers = [lyr1,lyr2,lyr3], $par = full ? $('body') : $(el);
$.each(layers, function() {
if (opts.theme && opts.draggable && $.fn.draggable) {
handle: '.ui-dialog-titlebar',
// ie7 must use absolute positioning in quirks mode and to account for activex issues (when scrolling)
var expr = setExpr && ( "CSS1Compat" !== document.compatMode || $('object,embed', full ? null : el).length > 0);
if (full && opts.allowBodyStretch && "CSS1Compat" === document.compatMode)
$('html,body').css('height','100%');
// fix ie6 issue when blocked element has a border width
if ((ie6 || "CSS1Compat" !== document.compatMode) && !full) {
var t = sz(el,'borderTopWidth'), l = sz(el,'borderLeftWidth');
var fixT = t ? '(0 - '+t+')' : 0;
var fixL = l ? '(0 - '+l+')' : 0;
// simulate fixed position
$.each(layers, function(i,o) {
s.setExpression('height','Math.max(document.body.scrollHeight, document.body.offsetHeight) - ("CSS1Compat" === document.compatMode?0:'+opts.quirksmodeOffsetHack+') + "px"');
s.setExpression('height','this.parentNode.offsetHeight + "px"');
s.setExpression('width','"CSS1Compat" === document.compatMode && document.documentElement.clientWidth || document.body.clientWidth + "px"');
s.setExpression('width','this.parentNode.offsetWidth + "px"');
if (fixL) s.setExpression('left', fixL);
if (fixT) s.setExpression('top', fixT);
if (full) s.setExpression('top','(document.documentElement.clientHeight || document.body.clientHeight) / 2 - (this.offsetHeight / 2) + (blah = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + "px"');
else if (!opts.centerY && full) {
var top = (opts.css && opts.css.top) ? parseInt(opts.css.top, 10) : 0;
var expression = '((document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + '+top+') + "px"';
s.setExpression('top',expression);
lyr3.find('.ui-widget-content').append(msg);
if (msg.jquery || msg.nodeType)
if ((msie || opts.forceIframe) && opts.showOverlay)
lyr1.show(); // opacity is zero
var cb = opts.onBlock ? opts.onBlock : noOp;
var cb1 = (opts.showOverlay && !msg) ? cb : noOp;
var cb2 = msg ? cb : noOp;
lyr2._fadeIn(opts.fadeIn, cb1);
lyr3._fadeIn(opts.fadeIn, cb2);
opts.onBlock.bind(lyr3)();
// bind key and mouse events
pageBlockEls = $(opts.focusableElements,pageBlock);
center(lyr3[0], opts.centerX, opts.centerY);
var to = setTimeout(function() {
$(el).data('blockUI.timeout', to);
function remove(el, opts) {
var full = (el == window);
var data = $el.data('blockUI.history');
var to = $el.data('blockUI.timeout');
$el.removeData('blockUI.timeout');
opts = $.extend({}, $.blockUI.defaults, opts || {});
bind(0, el, opts); // unbind events
if (opts.onUnblock === null) {
opts.onUnblock = $el.data('blockUI.onUnblock');
$el.removeData('blockUI.onUnblock');
if (full) // crazy selector to handle odd field errors in ie6/7
els = $('body').children().filter('.blockUI').add('body > .blockUI');
els = $el.find('>.blockUI');
if ( opts.cursorReset ) {
els[1].style.cursor = opts.cursorReset;
els[2].style.cursor = opts.cursorReset;
pageBlock = pageBlockEls = null;
els.stop().fadeOut(opts.fadeOut, function() {