+ },\r
+\r
+ /**\r
+ * Return the first successfully executed function's return value that\r
+ * doesn't throw any exception.\r
+ */\r
+ tryThese : function()\r
+ {\r
+ var returnValue;\r
+ for ( var i = 0, length = arguments.length; i < length; i++ )\r
+ {\r
+ var lambda = arguments[i];\r
+ try\r
+ {\r
+ returnValue = lambda();\r
+ break;\r
+ }\r
+ catch (e) {}\r
+ }\r
+ return returnValue;\r
+ },\r
+\r
+ /**\r
+ * Generate a combined key from a series of params.\r
+ * @param {String} subKey One or more string used as sub keys.\r
+ * @example\r
+ * var key = CKEDITOR.tools.genKey( 'key1', 'key2', 'key3' );\r
+ * alert( key ); // "key1-key2-key3".\r
+ */\r
+ genKey : function()\r
+ {\r
+ return Array.prototype.slice.call( arguments ).join( '-' );\r