Autocomplete: Don't react to key events on readonly inputs. Fixes #6170 - autocomplete pops up on readOnly inputs.

Author: scottgonzalez

jquery-1.4.2.js renamed to jquery-1.4.2.js_

@@ -41,7 +41,7 @@ $.widget( "ui.autocomplete", {
 				"aria-haspopup": "true"
 			})
 			.bind( "keydown.autocomplete", function( event ) {
-				if ( self.options.disabled ) {
+				if ( self.options.disabled || self.element.attr( "readonly" ) ) {
 					return;
 				}