Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 4178)
+++ /CKEditor/trunk/CHANGES.html	(revision 4179)
@@ -60,4 +60,5 @@
 		<li><a href="http://dev.fckeditor.net/ticket/4262">#4262</a> : Tab and Shift+Tab was not working to cycle through CTRL+SHIFT+F10 context menu in IE.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/3633">#3633</a> : Default context menu isn't disabled in toolbar, status bar, panels...</li>
+		<li><a href="http://dev.fckeditor.net/ticket/3897">#3897</a> : Now there is no image previews when the URL is empty in image dialog.</li>
 	</ul>
 	<h3>
Index: /CKEditor/trunk/_source/plugins/image/dialogs/image.js
===================================================================
--- /CKEditor/trunk/_source/plugins/image/dialogs/image.js	(revision 4178)
+++ /CKEditor/trunk/_source/plugins/image/dialogs/image.js	(revision 4179)
@@ -258,4 +258,11 @@
 					// Refresh LockRatio button
 					switchLockRatio ( this, true );
+				}
+
+				// Dont show preview if no URL given.
+				if ( !CKEDITOR.tools.trim( this.getValueOf( 'info', 'txtUrl' ) ) )
+				{
+					this.preview.removeAttribute( 'src' );
+					this.preview.setStyle( 'display', 'none' );
 				}
 			},
@@ -404,4 +411,6 @@
 													var original = dialog.originalElement;
 
+													dialog.preview.removeStyle( 'display' );
+
 													original.setCustomData( 'isReady', 'false' );
 													// Show loader
@@ -417,4 +426,10 @@
 
 													updatePreview( dialog );
+												}
+												// Dont show preview if no URL given.
+												else if ( dialog.preview )
+												{
+													dialog.preview.removeAttribute( 'src' );
+													dialog.preview.setStyle( 'display', 'none' );
 												}
 											},
