if ( CKEDITOR.env.ie )\r
container.setStyle( 'height', ( iframe.$.offsetHeight + 2 ) + 'px' );\r
\r
- var isCustomDomain = CKEDITOR.env.ie && document.domain != window.location.hostname;\r
- if ( isCustomDomain )\r
+ if ( CKEDITOR.env.isCustomDomain() )\r
{\r
CKEDITOR._cke_htmlToLoad = this.definition.htmlToLoad;\r
iframe.setAttribute( 'src',\r