function WPSetAsThumbnail(id){ var $link = jQuery('#media-item-' + id + ' a.wp-post-thumbnail'); $link.text( setPostThumbnailL10n.saving ); jQuery.post(ajaxurl, { action:"set-post-thumbnail", post_id: post_id, thumbnail_id: id, cookie: encodeURIComponent(document.cookie) }, function(str){ var win = window.dialogArguments || opener || parent || top; $link.text( setPostThumbnailL10n.setThumbnail ); if ( str == '0' ) { alert( setPostThumbnailL10n.error ); } else { jQuery('a.wp-post-thumbnail').show(); $link.hide(); win.WPSetThumbnailID(id); win.WPSetThumbnailHTML(str); } } ); }