Function _inherit

lib/FileAPI.Flash.js:655–663

(obj, methods)

		function _inherit(obj, methods){
			_each(methods, function (fn, name){
				var prev = obj[name];
				obj[name] = function (){
					this.parent = prev;
					return fn.apply(this, arguments);
				};
			});
		}

		function _isHtmlFile(file){
			return	file && !file.flashId;