var ak_js = document.getElementById( "ak_js" ); if ( ! ak_js ) { ak_js = document.createElement( 'input' ); ak_js.setAttribute( 'id', 'ak_js' ); ak_js.setAttribute( 'name', 'ak_js' ); ak_js.setAttribute( 'type', 'hidden' ); } else { ak_js.parentNode.removeChild( ak_js ); } ak_js.setAttribute( 'va