removeIds = function( node )
				{
					if ( node.nodeType != CKEDITOR.NODE_ELEMENT )
						return;

					node.removeAttribute( 'id', false ) ;
					node.removeAttribute( '_cke_expando', false ) ;

					var childs = node.childNodes;
					for ( var i=0 ; i < childs.length ; i++ )
						removeIds( childs[ i ] );
				}
Makes this node child of another element.
@param {CKEDITOR.dom.element} element The target element to which append
		this node.
@returns {CKEDITOR.dom.element} The target element.
@example
var p = new CKEDITOR.dom.element( 'p' );
var strong = new CKEDITOR.dom.element( 'strong' );
strong.appendTo( p );

// result: "&lt;p&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/p&gt;"