1 var ak_js = document.getElementById( "ak_js" );

     2 

     3 if ( ! ak_js ) {

     4 	ak_js = document.createElement( 'input' );

     5 	ak_js.setAttribute( 'id', 'ak_js' );

     6 	ak_js.setAttribute( 'name', 'ak_js' );

     7 	ak_js.setAttribute( 'type', 'hidden' );

     8 }

     9 else {

    10 	ak_js.parentNode.removeChild( ak_js );

    11 }

    12 

    13 ak_js.setAttribute( 'value', ( new Date() ).getTime() );

    14 

    15 var commentForm = document.getElementById( 'commentform' );

    16 

    17 if ( commentForm ) {

    18 	commentForm.appendChild( ak_js );

    19 }

    20 else {

    21 	var replyRowContainer = document.getElementById( 'replyrow' );

    22 

    23 	if ( replyRowContainer ) {

    24 		var children = replyRowContainer.getElementsByTagName( 'td' );

    25 

    26 		if ( children.length > 0 ) {

    27 			children[0].appendChild( ak_js );

    28 		}

    29 	}

    30 }