Added login request

backend/wordpress/wp-admin/js/set-post-thumbnail.js

@@ -0,0 +1,24 @@
+/* global setPostThumbnailL10n, ajaxurl, post_id, alert */
+/* exported WPSetAsThumbnail */
+
+function WPSetAsThumbnail( id, nonce ) {
+	var $link = jQuery('a#wp-post-thumbnail-' + id);
+
+	$link.text( setPostThumbnailL10n.saving );
+	jQuery.post(ajaxurl, {
+		action: 'set-post-thumbnail', post_id: post_id, thumbnail_id: id, _ajax_nonce: nonce, 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.text( setPostThumbnailL10n.done );
+			$link.fadeOut( 2000 );
+			win.WPSetThumbnailID(id);
+			win.WPSetThumbnailHTML(str);
+		}
+	}
+	);
+}