33.js in webshims-rails-1.14.5

- old
+ new

@@ -28,10 +28,9 @@
 			}
 		};
 	}
 	
 	var nan = parseInt('NaN', 10),
-		doc = document,
 		typeModels = webshims.inputTypes,
 		isNumber = function(string){
 			return (typeof string == 'number' || (string && string == string * 1));
 		},
 		supportsType = function(type){