Using jquery blockUI

HTML

<div class="controls">
<button class="set-block">BLOCK</button>
<button class="set-un-block">UNBLOCK</button>
<button class="set-block-W-msg">BLOCK w MSG</button>
</div>
<hr/>
<div>
    <form id="exampleForm">
    <button style="z-index: 70000">
    TESTE
    </button>
        <input type="text"></input>
        <select>
            <option>Option 1</option>
            <option>Option 2</option>
            <option>Option 3</option>
        </select>
    </form>
</div>
<div class="msgTemplate">
    <ul>
        <li>This</li>
         <li>Template</li>
        <li>List</li>
        <li>Msg</li>       
    </ul>
</div>

JavaScript

/*!
 * jQuery blockUI plugin
 * Version 2.50 (04-OCT-2012)
 * @requires jQuery v1.3 or later
 *
 * Examples at: http://malsup.com/jquery/block/
 * Copyright (c) 2007-2012 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!
 */

;(function() {
"use strict";

    function setup($) {
        if (/^1\.(0|1|2)/.test($.fn.jquery)) {
            /*global alert:true */
            alert('blockUI requires jQuery v1.3 or later!  You are using v' + $.fn.jquery);
            return;
        }

        $.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
        // retarded userAgent strings on Vista)
        var msie = /MSIE/.test(navigator.userAgent);
        var ie6  = /MSIE 6.0/.test(navigator.userAgent);
        var mode = document.documentMode || 0;
        // var setExpr = msie && (($.browser.version < 8 && !mode) || mode < 8);
        var setExpr = $.isFunction( 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;
            $.blockUI({
                message: $m, fadeIn: 700, fadeOut: 1000, centerY: false,
                timeout: timeout, showOverlay: false,
                onUnblock:...