https://hartfordhospital.org/Script%20Library/Hartford%20Hospital/smoothHeader.js?v=639246473620000000

1( function( window ) {
2'use strict';
3function classReg( className ) {
4  return new RegExp("(^|\\s+)" + className + "(\\s+|$)");
5}
6var hasClass, addClass, removeClass;
7if ( 'classList' in document.documentElement ) {
8  hasClass = function( elem, c ) {
9    return elem.classList.contains( c );
10  };
11  addClass = function( elem, c ) {
12    elem.classList.add( c );
13  };
14  removeClass = function( elem, c ) {
15    elem.classList.remove( c );
16  };
17}
18else {
19  hasClass = function( elem, c ) {
20    return classReg( c ).test( elem.className );
21  };
22  addClass = function( elem, c ) {
23    if ( !hasClass( elem, c ) ) {
24      elem.className = elem.className + ' ' + c;
25    }
26  };
27  removeClass = function( elem, c ) {
28    elem.className = elem.className.replace( classReg( c ), ' ' );
29  };
30}
31function toggleClass( elem, c ) {
32  var fn = hasClass( elem, c ) ? removeClass : addClass;
33  fn( elem, c );
34}
35var smoothHeader = {
36  hasClass: hasClass,
37  addClass: addClass,
38  removeClass: removeClass,
39  toggleClass: toggleClass,
40  has: hasClass,
41  add: addClass,
42  remove: removeClass,
43  toggle: toggleClass
44};
45if ( typeof define === 'function' && define.amd ) {
46  define( smoothHeader );
47} else {
48  window.smoothHeader = smoothHeader;
49}
50})( window );