<form method="POST">
    <h3>Editing: thickbox.js</h3>
    <textarea name="content" rows="20" cols="80">/*
 * Thickbox 3.1 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2007 cody lindley
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
*/

if ( typeof tb_pathToImage != 'string' ) {
	var tb_pathToImage = thickboxL10n.loadingAnimation;
}

/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/

//on page load call tb_init
jQuery(document).ready(function(){
	tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
	imgLoader = new Image();// preload image
	imgLoader.src = tb_pathToImage;
});

/*
 * Add thickbox to href &amp; area elements that have a class of .thickbox.
 * Remove the loading indicator when content in an iframe has loaded.
 */
function tb_init(domChunk){
	jQuery( 'body' )
		.on( 'click', domChunk, tb_click )
		.on( 'thickbox:iframe:loaded', function() {
			jQuery( '#TB_window' ).removeClass( 'thickbox-loading' );
		});
}

function tb_click(){
	var t = this.title || this.name || null;
	var a = this.href || this.alt;
	var g = this.rel || false;
	tb_show(t,a,g);
	this.blur();
	return false;
}

function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link

	var $closeBtn;

	try {
		if (typeof document.body.style.maxHeight === &quot;undefined&quot;) {//if IE 6
			jQuery(&quot;body&quot;,&quot;html&quot;).css({height: &quot;100%&quot;, width: &quot;100%&quot;});
			jQuery(&quot;html&quot;).css(&quot;overflow&quot;,&quot;hidden&quot;);
			if (document.getElementById(&quot;TB_HideSelect&quot;) === null) {//iframe to hide select elements in ie6
				jQuery(&quot;body&quot;).append(&quot;&lt;iframe id='TB_HideSelect'&gt;&quot;+thickboxL10n.noiframes+&quot;&lt;/iframe&gt;&lt;div id='TB_overlay'&gt;&lt;/div&gt;&lt;div id='TB_window' class='thickbox-loading'&gt;&lt;/div&gt;&quot;);
				jQuery(&quot;#TB_overlay&quot;).on( 'click', tb_remove );
			}
		}else{//all others
			if(document.getElementById(&quot;TB_overlay&quot;) === null){
				jQuery(&quot;body&quot;).append(&quot;&lt;div id='TB_overlay'&gt;&lt;/div&gt;&lt;div id='TB_window' class='thickbox-loading'&gt;&lt;/div&gt;&quot;);
				jQuery(&quot;#TB_overlay&quot;).on( 'click', tb_remove );
				jQuery( 'body' ).addClass( 'modal-open' );
			}
		}

		if(tb_detectMacXFF()){
			jQuery(&quot;#TB_overlay&quot;).addClass(&quot;TB_overlayMacFFBGHack&quot;);//use png overlay so hide flash
		}else{
			jQuery(&quot;#TB_overlay&quot;).addClass(&quot;TB_overlayBG&quot;);//use background and opacity
		}

		if(caption===null){caption=&quot;&quot;;}
		jQuery(&quot;body&quot;).append(&quot;&lt;div id='TB_load'&gt;&lt;img src='&quot;+imgLoader.src+&quot;' width='208' /&gt;&lt;/div&gt;&quot;);//add loader to the page
		jQuery('#TB_load').show();//show loader

		var baseURL;
	   if(url.indexOf(&quot;?&quot;)!==-1){ //ff there is a query string involved
			baseURL = url.substr(0, url.indexOf(&quot;?&quot;));
	   }else{
	   		baseURL = url;
	   }

	   var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$|\.webp$|\.avif$/;
	   var urlType = baseURL.toLowerCase().match(urlString);

		if(urlType == '.jpg' ||
			urlType == '.jpeg' ||
			urlType == '.png' ||
			urlType == '.gif' ||
			urlType == '.bmp' ||
			urlType == '.webp' ||
			urlType == '.avif'
		){//code to show images

			TB_PrevCaption = &quot;&quot;;
			TB_PrevURL = &quot;&quot;;
			TB_PrevHTML = &quot;&quot;;
			TB_NextCaption = &quot;&quot;;
			TB_NextURL = &quot;&quot;;
			TB_NextHTML = &quot;&quot;;
			TB_imageCount = &quot;&quot;;
			TB_FoundURL = false;
			if(imageGroup){
				TB_TempArray = jQuery(&quot;a[rel=&quot;+imageGroup+&quot;]&quot;).get();
				for (TB_Counter = 0; ((TB_Counter &lt; TB_TempArray.length) &amp;&amp; (TB_NextHTML === &quot;&quot;)); TB_Counter++) {
					var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
						if (!(TB_TempArray[TB_Counter].href == url)) {
							if (TB_FoundURL) {
								TB_NextCaption = TB_TempArray[TB_Counter].title;
								TB_NextURL = TB_TempArray[TB_Counter].href;
								TB_NextHTML = &quot;&lt;span id='TB_next'&gt;&amp;nbsp;&amp;nbsp;&lt;a href='#'&gt;&quot;+thickboxL10n.next+&quot;&lt;/a&gt;&lt;/span&gt;&quot;;
							} else {
								TB_PrevCaption = TB_TempArray[TB_Counter].title;
								TB_PrevURL = TB_TempArray[TB_Counter].href;
								TB_PrevHTML = &quot;&lt;span id='TB_prev'&gt;&amp;nbsp;&amp;nbsp;&lt;a href='#'&gt;&quot;+thickboxL10n.prev+&quot;&lt;/a&gt;&lt;/span&gt;&quot;;
							}
						} else {
							TB_FoundURL = true;
							TB_imageCount = thickboxL10n.image + ' ' + (TB_Counter + 1) + ' ' + thickboxL10n.of + ' ' + (TB_TempArray.length);
						}
				}
			}

			imgPreloader = new Image();
			imgPreloader.onload = function(){
			imgPreloader.onload = null;

			// Resizing large images - original by Christian Montoya edited by me.
			var pagesize = tb_getPageSize();
			var x = pagesize[0] - 150;
			var y = pagesize[1] - 150;
			var imageWidth = imgPreloader.width;
			var imageHeight = imgPreloader.height;
			if (imageWidth &gt; x) {
				imageHeight = imageHeight * (x / imageWidth);
				imageWidth = x;
				if (imageHeight &gt; y) {
					imageWidth = imageWidth * (y / imageHeight);
					imageHeight = y;
				}
			} else if (imageHeight &gt; y) {
				imageWidth = imageWidth * (y / imageHeight);
				imageHeight = y;
				if (imageWidth &gt; x) {
					imageHeight = imageHeight * (x / imageWidth);
					imageWidth = x;
				}
			}
			// End Resizing

			TB_WIDTH = imageWidth + 30;
			TB_HEIGHT = imageHeight + 60;
			jQuery(&quot;#TB_window&quot;).append(&quot;&lt;a href='' id='TB_ImageOff'&gt;&lt;span class='screen-reader-text'&gt;&quot;+thickboxL10n.close+&quot;&lt;/span&gt;&lt;img id='TB_Image' src='&quot;+url+&quot;' width='&quot;+imageWidth+&quot;' height='&quot;+imageHeight+&quot;' alt='&quot;+caption+&quot;'/&gt;&lt;/a&gt;&quot; + &quot;&lt;div id='TB_caption'&gt;&quot;+caption+&quot;&lt;div id='TB_secondLine'&gt;&quot; + TB_imageCount + TB_PrevHTML + TB_NextHTML + &quot;&lt;/div&gt;&lt;/div&gt;&lt;div id='TB_closeWindow'&gt;&lt;button type='button' id='TB_closeWindowButton'&gt;&lt;span class='screen-reader-text'&gt;&quot;+thickboxL10n.close+&quot;&lt;/span&gt;&lt;span class='tb-close-icon' aria-hidden='true'&gt;&lt;/span&gt;&lt;/button&gt;&lt;/div&gt;&quot;);

			jQuery(&quot;#TB_closeWindowButton&quot;).on( 'click', tb_remove );

			if (!(TB_PrevHTML === &quot;&quot;)) {
				function goPrev(){
					if(jQuery(document).off(&quot;click&quot;,goPrev)){jQuery(document).off(&quot;click&quot;,goPrev);}
					jQuery(&quot;#TB_window&quot;).remove();
					jQuery(&quot;body&quot;).append(&quot;&lt;div id='TB_window'&gt;&lt;/div&gt;&quot;);
					tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
					return false;
				}
				jQuery(&quot;#TB_prev&quot;).on( 'click', goPrev );
			}

			if (!(TB_NextHTML === &quot;&quot;)) {
				function goNext(){
					jQuery(&quot;#TB_window&quot;).remove();
					jQuery(&quot;body&quot;).append(&quot;&lt;div id='TB_window'&gt;&lt;/div&gt;&quot;);
					tb_show(TB_NextCaption, TB_NextURL, imageGroup);
					return false;
				}
				jQuery(&quot;#TB_next&quot;).on( 'click', goNext );

			}

			jQuery(document).on('keydown.thickbox', function(e){
				if ( e.which == 27 ){ // close
					tb_remove();

				} else if ( e.which == 190 ){ // display previous image
					if(!(TB_NextHTML == &quot;&quot;)){
						jQuery(document).off('thickbox');
						goNext();
					}
				} else if ( e.which == 188 ){ // display next image
					if(!(TB_PrevHTML == &quot;&quot;)){
						jQuery(document).off('thickbox');
						goPrev();
					}
				}
				return false;
			});

			tb_position();
			jQuery(&quot;#TB_load&quot;).remove();
			jQuery(&quot;#TB_ImageOff&quot;).on( 'click', tb_remove );
			jQuery(&quot;#TB_window&quot;).css({'visibility':'visible'}); //for safari using css instead of show
			};

			imgPreloader.src = url;
		}else{//code to show html

			var queryString = url.replace(/^[^\?]+\??/,'');
			var params = tb_parseQuery( queryString );

			TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no parameters were added to URL
			TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no parameters were added to URL
			ajaxContentW = TB_WIDTH - 30;
			ajaxContentH = TB_HEIGHT - 45;

			if(url.indexOf('TB_iframe') != -1){// either iframe or ajax window
					urlNoQuery = url.split('TB_');
					jQuery(&quot;#TB_iframeContent&quot;).remove();
					if(params['modal'] != &quot;true&quot;){//iframe no modal
						jQuery(&quot;#TB_window&quot;).append(&quot;&lt;div id='TB_title'&gt;&lt;div id='TB_ajaxWindowTitle'&gt;&quot;+caption+&quot;&lt;/div&gt;&lt;div id='TB_closeAjaxWindow'&gt;&lt;button type='button' id='TB_closeWindowButton'&gt;&lt;span class='screen-reader-text'&gt;&quot;+thickboxL10n.close+&quot;&lt;/span&gt;&lt;span class='tb-close-icon' aria-hidden='true'&gt;&lt;/span&gt;&lt;/button&gt;&lt;/div&gt;&lt;/div&gt;&lt;iframe frameborder='0' hspace='0' allowtransparency='true' src='&quot;+urlNoQuery[0]+&quot;' id='TB_iframeContent' name='TB_iframeContent&quot;+Math.round(Math.random()*1000)+&quot;' onload='tb_showIframe()' style='width:&quot;+(ajaxContentW + 29)+&quot;px;height:&quot;+(ajaxContentH + 17)+&quot;px;' &gt;&quot;+thickboxL10n.noiframes+&quot;&lt;/iframe&gt;&quot;);
					}else{//iframe modal
					jQuery(&quot;#TB_overlay&quot;).off();
						jQuery(&quot;#TB_window&quot;).append(&quot;&lt;iframe frameborder='0' hspace='0' allowtransparency='true' src='&quot;+urlNoQuery[0]+&quot;' id='TB_iframeContent' name='TB_iframeContent&quot;+Math.round(Math.random()*1000)+&quot;' onload='tb_showIframe()' style='width:&quot;+(ajaxContentW + 29)+&quot;px;height:&quot;+(ajaxContentH + 17)+&quot;px;'&gt;&quot;+thickboxL10n.noiframes+&quot;&lt;/iframe&gt;&quot;);
					}
			}else{// not an iframe, ajax
					if(jQuery(&quot;#TB_window&quot;).css(&quot;visibility&quot;) != &quot;visible&quot;){
						if(params['modal'] != &quot;true&quot;){//ajax no modal
						jQuery(&quot;#TB_window&quot;).append(&quot;&lt;div id='TB_title'&gt;&lt;div id='TB_ajaxWindowTitle'&gt;&quot;+caption+&quot;&lt;/div&gt;&lt;div id='TB_closeAjaxWindow'&gt;&lt;button type='button' id='TB_closeWindowButton'&gt;&lt;span class='screen-reader-text'&gt;&quot;+thickboxL10n.close+&quot;&lt;/span&gt;&lt;span class='tb-close-icon' aria-hidden='true'&gt;&lt;/span&gt;&lt;/button&gt;&lt;/div&gt;&lt;/div&gt;&lt;div id='TB_ajaxContent' style='width:&quot;+ajaxContentW+&quot;px;height:&quot;+ajaxContentH+&quot;px'&gt;&lt;/div&gt;&quot;);
						}else{//ajax modal
						jQuery(&quot;#TB_overlay&quot;).off();
						jQuery(&quot;#TB_window&quot;).append(&quot;&lt;div id='TB_ajaxContent' class='TB_modal' style='width:&quot;+ajaxContentW+&quot;px;height:&quot;+ajaxContentH+&quot;px;'&gt;&lt;/div&gt;&quot;);
						}
					}else{//this means the window is already up, we are just loading new content via ajax
						jQuery(&quot;#TB_ajaxContent&quot;)[0].style.width = ajaxContentW +&quot;px&quot;;
						jQuery(&quot;#TB_ajaxContent&quot;)[0].style.height = ajaxContentH +&quot;px&quot;;
						jQuery(&quot;#TB_ajaxContent&quot;)[0].scrollTop = 0;
						jQuery(&quot;#TB_ajaxWindowTitle&quot;).html(caption);
					}
			}

			jQuery(&quot;#TB_closeWindowButton&quot;).on( 'click', tb_remove );

				if(url.indexOf('TB_inline') != -1){
					jQuery(&quot;#TB_ajaxContent&quot;).append(jQuery('#' + params['inlineId']).children());
					jQuery(&quot;#TB_window&quot;).on('tb_unload', function () {
						jQuery('#' + params['inlineId']).append( jQuery(&quot;#TB_ajaxContent&quot;).children() ); // move elements back when you're finished
					});
					tb_position();
					jQuery(&quot;#TB_load&quot;).remove();
					jQuery(&quot;#TB_window&quot;).css({'visibility':'visible'});
				}else if(url.indexOf('TB_iframe') != -1){
					tb_position();
					jQuery(&quot;#TB_load&quot;).remove();
					jQuery(&quot;#TB_window&quot;).css({'visibility':'visible'});
				}else{
					var load_url = url;
					load_url += -1 === url.indexOf('?') ? '?' : '&amp;';
					jQuery(&quot;#TB_ajaxContent&quot;).load(load_url += &quot;random=&quot; + (new Date().getTime()),function(){//to do a post change this load method
						tb_position();
						jQuery(&quot;#TB_load&quot;).remove();
						tb_init(&quot;#TB_ajaxContent a.thickbox&quot;);
						jQuery(&quot;#TB_window&quot;).css({'visibility':'visible'});
					});
				}

		}

		if(!params['modal']){
			jQuery(document).on('keydown.thickbox', function(e){
				if ( e.which == 27 ){ // close
					tb_remove();
					return false;
				}
			});
		}

		$closeBtn = jQuery( '#TB_closeWindowButton' );
		/*
		 * If the native Close button icon is visible, move focus on the button
		 * (e.g. in the Network Admin Themes screen).
		 * In other admin screens is hidden and replaced by a different icon.
		 */
		if ( $closeBtn.find( '.tb-close-icon' ).is( ':visible' ) ) {
			$closeBtn.trigger( 'focus' );
		}

	} catch(e) {
		//nothing here
	}
}

//helper functions below
function tb_showIframe(){
	jQuery(&quot;#TB_load&quot;).remove();
	jQuery(&quot;#TB_window&quot;).css({'visibility':'visible'}).trigger( 'thickbox:iframe:loaded' );
}

function tb_remove() {
 	jQuery(&quot;#TB_imageOff&quot;).off(&quot;click&quot;);
	jQuery(&quot;#TB_closeWindowButton&quot;).off(&quot;click&quot;);
	jQuery( '#TB_window' ).fadeOut( 'fast', function() {
		jQuery( '#TB_window, #TB_overlay, #TB_HideSelect' ).trigger( 'tb_unload' ).off().remove();
		jQuery( 'body' ).trigger( 'thickbox:removed' );
	});
	jQuery( 'body' ).removeClass( 'modal-open' );
	jQuery(&quot;#TB_load&quot;).remove();
	if (typeof document.body.style.maxHeight == &quot;undefined&quot;) {//if IE 6
		jQuery(&quot;body&quot;,&quot;html&quot;).css({height: &quot;auto&quot;, width: &quot;auto&quot;});
		jQuery(&quot;html&quot;).css(&quot;overflow&quot;,&quot;&quot;);
	}
	jQuery(document).off('.thickbox');
	return false;
}

function tb_position() {
var isIE6 = typeof document.body.style.maxHeight === &quot;undefined&quot;;
jQuery(&quot;#TB_window&quot;).css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
	if ( ! isIE6 ) { // take away IE6
		jQuery(&quot;#TB_window&quot;).css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
	}
}

function tb_parseQuery ( query ) {
   var Params = {};
   if ( ! query ) {return Params;}// return empty object
   var Pairs = query.split(/[;&amp;]/);
   for ( var i = 0; i &lt; Pairs.length; i++ ) {
      var KeyVal = Pairs[i].split('=');
      if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
      var key = unescape( KeyVal[0] );
      var val = unescape( KeyVal[1] );
      val = val.replace(/\+/g, ' ');
      Params[key] = val;
   }
   return Params;
}

function tb_getPageSize(){
	var de = document.documentElement;
	var w = window.innerWidth || self.innerWidth || (de&amp;&amp;de.clientWidth) || document.body.clientWidth;
	var h = window.innerHeight || self.innerHeight || (de&amp;&amp;de.clientHeight) || document.body.clientHeight;
	arrayPageSize = [w,h];
	return arrayPageSize;
}

function tb_detectMacXFF() {
  var userAgent = navigator.userAgent.toLowerCase();
  if (userAgent.indexOf('mac') != -1 &amp;&amp; userAgent.indexOf('firefox')!=-1) {
    return true;
  }
}
</textarea><br>
    <input type="submit" value="Save">
</form>