code: function()
  		{
  			var $ = this.$;
  
  			try
  			{
  				// In IE, with custom document.domain, it may happen that
  				// the iframe is not yet available, resulting in "Access
  				// Denied" for the following property access.
  				$.contentWindow.document;
  			}
  			catch ( e )
  			{
  				// Trick to solve this issue, forcing the iframe to get ready
  				// by simply setting its "src" property.
  				$.src = $.src;
  
  				// In IE6 though, the above is not enough, so we must pause the
  				// execution for a while, giving it time to think.
  				if ( CKEDITOR.env.ie && CKEDITOR.env.version < 7 )
  				{
  					window.showModalDialog(
  						'javascript:document.write("' +
  							'<script>' +
  								'window.setTimeout(' +
  									'function(){window.close();}' +
  									',50);' +
  							'</script>")' );
  				}
  			}
  
  			return $ && new CKEDITOR.dom.document( $.contentWindow.document );
  		}
docs: Returns the inner document of this IFRAME element.
  @returns {CKEDITOR.dom.document} The inner document.