Index: CHANGES.html
===================================================================
--- CHANGES.html	(revision 3898)
+++ CHANGES.html	Thu Jul 16 11:16:34 CEST 2009
@@ -131,6 +131,7 @@
 		<li><a href="http://dev.fckeditor.net/ticket/3671">#3671</a> : Fixed body fixing should be applied to the real type under fake elements.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/3836">#3836</a> : Fixed remove list in enterMode=BR will merge sibling text to one line.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/3949">#3949</a> : Fixed enterKey within pre-formatted text introduce wrong line-break.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/3951">#3951</a> : Reset size and lock ratio options were not accessible in Image dialog.</li>
 	</ul>
 	<h3>
 		CKEditor 3.0 RC</h3>
Index: _source/plugins/image/dialogs/image.js
===================================================================
--- _source/plugins/image/dialogs/image.js	(revision 3845)
+++ _source/plugins/image/dialogs/image.js	Thu Jul 16 09:50:51 CEST 2009
@@ -346,6 +346,9 @@
 			{
 				if ( dialogType != 'image' )
 					this.hidePage( 'Link' );		//Hide Link tab.
+				var doc = this._.element.getDocument();
+				this.addFocusable( doc.getById( 'btnLockSizes' ), 5 );
+				this.addFocusable( doc.getById( 'btnResetSize' ), 5 );
 			},
 			onHide : function()
 			{
@@ -614,11 +617,11 @@
 																}, this.getDialog() );
 															resetButton.on( 'mouseover', function()
 																{
-																	this.addClass( 'BtnOver' );
+																	this.addClass( 'cke_btn_over' );
 																}, resetButton );
 															resetButton.on( 'mouseout', function()
 																{
-																	this.removeClass( 'BtnOver' );
+																	this.removeClass( 'cke_btn_over' );
 																}, resetButton );
 														}
 														// Activate (Un)LockRatio button
@@ -642,19 +645,19 @@
 																}, this.getDialog() );
 															ratioButton.on( 'mouseover', function()
 																{
-																	this.addClass( 'BtnOver' );
+																	this.addClass( 'cke_btn_over' );
 																}, ratioButton );
 															ratioButton.on( 'mouseout', function()
 																{
-																	this.removeClass( 'BtnOver' );
+																	this.removeClass( 'cke_btn_over' );
 																}, ratioButton );
 														}
 													},
 													html : '<div>'+
-														'<div title="' + editor.lang.image.lockRatio +
-														'" class="cke_btn_locked" id="btnLockSizes"></div>' +
-														'<div title="' + editor.lang.image.resetSize +
-														'" class="cke_btn_reset" id="btnResetSize"></div>'+
+														'<a href="javascript:void(0)" tabindex="-1" title="' + editor.lang.image.lockRatio +
+														'" class="cke_btn_locked" id="btnLockSizes"></a>' +
+														'<a href="javascript:void(0)" tabindex="-1" title="' + editor.lang.image.resetSize +
+														'" class="cke_btn_reset" id="btnResetSize"></a>'+
 														'</div>'
 												}
 											]
Index: _source/plugins/dialog/plugin.js
===================================================================
--- _source/plugins/dialog/plugin.js	(revision 3716)
+++ _source/plugins/dialog/plugin.js	Thu Jul 16 11:15:29 CEST 2009
@@ -988,8 +988,62 @@
 		getSelectedElement : function()
 		{
 			return this.getParentEditor().getSelection().getSelectedElement();
+		},
+
+		/**
+		 * Adds element to dialog's focusable list.
+		 *
+		 * @param {CKEDITOR.dom.element} element
+		 * @param {Number} [index]
+		 */
+		addFocusable: (function()
+		{
+			var dialog;
+			var Focusable = function( element, index ) {
+				this.element = element;
+				this.focusIndex = index;
+				this.isFocusable = function()
+				{
+					return true;
+				};
+				this.focus = function()
+				{
+					dialog._.currentFocusIndex = this.focusIndex;
+					this.element.focus();
+				};
+				// Bind events
+				element.on( 'keydown', function( e )
+				{
+					if ( e.data.getKeystroke() in { 32:1, 13:1 }  )
+						this.fire( 'click' );
+				});
+				element.on( 'focus', function()
+				{
+					this.fire( 'mouseover' );
+				});
+				element.on( 'blur', function()
+				{
+					this.fire( 'mouseout' );
+				});
+			};
+			return function( element, index ) {
+				// Update reference.
+				if ( !dialog )
+					dialog = this;
+				if ( typeof index == 'undefined' )
+				{
+					index = this._.focusList.length;
+					this._.focusList.push( new Focusable( element, index ) );
-		}
+				}
+				else
+				{
+					this._.focusList.splice( index, 0, new Focusable( element, index ) );
+					for ( var i = index + 1 ; i < this._.focusList.length ; i++ )
+						this._.focusList[ i ].focusIndex++;
+				}
-	};
+			};
+		})()
+	};
 
 	CKEDITOR.tools.extend( CKEDITOR.dialog,
 		/**