Update colorbox library to 1.5.14

js/colorbox.1.5.14/jquery.colorbox.js

@@ -1,8 +1,7 @@
 /*!
-	Colorbox v1.5.10 - 2014-06-26
-	jQuery lightbox and modal window plugin
-	(c) 2014 Jack Moore - http://www.jacklmoore.com/colorbox
-	license: http://www.opensource.org/licenses/mit-license.php
+	Colorbox 1.5.14
+	license: MIT
+	http://www.jacklmoore.com/colorbox
 */
 (function ($, document, window) {
 	var
@@ -415,8 +414,9 @@
 				}
 			}
 
+			var opacity = parseFloat(settings.get('opacity'));
 			$overlay.css({
-				opacity: parseFloat(settings.get('opacity')) || '',
+				opacity: opacity === opacity ? opacity : '',
 				cursor: settings.get('overlayClose') ? 'pointer' : '',
 				visibility: 'visible'
 			}).show();
@@ -434,7 +434,7 @@
 	// Colorbox's markup needs to be added to the DOM prior to being called
 	// so that the browser will go ahead and load the CSS background images.
 	function appendHTML() {
-		if (!$box && document.body) {
+		if (!$box) {
 			init = false;
 			$window = $(window);
 			$box = $tag(div).attr({
@@ -478,7 +478,8 @@
 			$loadingBay = $tag(div, false, 'position:absolute; width:9999px; visibility:hidden; display:none; max-width:none;');
 			
 			$groupControls = $next.add($prev).add($current).add($slideshow);
-
+		}
+		if (document.body && !$box.parent().length) {
 			$(document.body).append($overlay, $box.append($wrap, $loadingBay));
 		}
 	}
@@ -696,7 +697,7 @@
 					}, 1);
 				}
 
-				if (loadedCallback) {
+				if ($.isFunction(loadedCallback)) {
 					loadedCallback();
 				}
 			},