jqxDateTimeInput: RO added theme

javascript/src/Helper/jqxDateTimeInput.js

@@ -77,8 +77,7 @@ QfqNS.Helper = QfqNS.Helper || {};
                 var jqxDateTimeInputConfig = {
                     formatString: formatString,
                     showTimeButton: showTimeButton,
-                    width: '300px',
-                    height: '25px'
+                    theme: "bootstrap"
                 };
 
                 $container.jqxDateTimeInput(jqxDateTimeInputConfig);